Physicians and Physician Assistants

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CURRICULUM VITAE - Ensor E. Transfeldt, MD

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Educational Background
Licensure and Certification
Academic Appointments
Awards, Honors, Societies
Society Memberships
Committees
Presentations
Abstracts
Publications
Publications Non-referred Journal
Book Chapters
Exhibits

Personal Data

Office Address Twin Cities Spine Center 913 E. 26th Street, Suite 600 Minneapolis, MN 55404
Phone  
Birthdate  May 17, 1949
Birthplace  Lobatsi, Botswana
Citizenship  U.S.A.

Educational Background

1967 Christian Brothers College
1975 University of Witwatersrand
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Licensure and Certification

1992 ABOS Board Certified
- Part I, July 19, 1991
- Part II, July 10, 1992
Minnesota
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Academic Appointments

1987-2006Associate Professor, University of Minnesota
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Awards, Honors, Societies

Max Mixhaells Scholarship - Scholastic Athletic and Leadership, 1966

American Field Service Scholar, 1967

Public Health Essay Prize "The Effect of Meat Marketing on Health and Disease in South Africa", 1974

Wilfred Orr Scholarship - University of Witwatersrand, Johannesburg, South Africa, 1974

M.S.D. Scholarship - University of Witwatersrand, Johannesburg, South Africa, 1975

Gallie-Bateman Finalist - University of Toronto Surgical Research, 1978

Canadian Orthopaedic Resident's Association Best Paper Award, 1978

Irving Howard Cameron Scholarship, Department of Surgery, University of Toronto, 1978

Edouard Samson Medal, Presented by the Canadian Orthopaedic Association for best orthopaedic research in Canada, 1980

Russell Hibbs Award, Presented by the Scoliosis Research Society for the best Basic Science Research in Spinal Surgery - "Biomechanics of the Spine and Spinal Cord", 1981

Bitnell Foundation - 1985 - $10,000

University of Toronto
Wallace Chalmers Bioengineering Grant - 1986 - $70,000

University of Toronto
Workers Compensation Board, Ontario - 1986 - $50,000

Curatech - 1989 to 1990 - $35,000

Russell Hibbs Award for Best Clinical Paper at Combined Scoliosis Research Society and European Deformity Society - "Decompression and Rotation of the Spine Following Cotrel-Dubousset Instrumentation", 1989

Department of Orthopaedics - 1990 - $30,000

Minnesota Medical Foundation - 1991 - $4,500

Eli Lilly Grant - 1993 - $5,000

Scoliosis Research Society Traveling Fellowship, 1993
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Society Memberships

Royal College of Physicians and Surgeons, Canada
International Spinal Cord Monitoring Society
Spinal Cord Society
Canadian Orthopaedic Association
Canadian Orthopaedic Research Society
Ontario and Canadian Medical Association
Ontario College of Physicians and Surgeons
Academy of Medicine, Toronto
Clinical Research Society of Toronto
Hennepin County Medical Association
Minnesota Medical Association
Minnesota Orthopaedic Association
American Medical Association
Eastern Encephalographers Association
Twin Cities Orthopaedic Association
MacNab Research Society
Simmons Surgical Society
Scoliosis Research Society
American Spinal Injury Association (A.S.I.A.)
North American Spine Society (N.A.S.S.)
British Scoliosis Society
National Study Group of Synthes Spinal Internal Fixator
Teaching Faculty, A.O. Spine Courses
International Society for the Study of the Lumbar Spine
International Meeting on Advanced Spinal Techniques
Spine Deformity Study Group
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Committees

Year II Curriculum Committee, University of Minnesota

Education Committee, Dept. of Orthopaedic Surgery, University of Minnesota

Spinal Cord Program Task Force Committee, University of Minnesota

Search Committee for Chairman of Department of Physical Medicine and Rehabilitation, University of Minnesota

Spinal Cord Monitoring Committee, University of Minnesota

Terminology and 3-Dimensional Study Group - Scoliosis Research Society

Intra-operative Monitoring Committee, Abbott Northwestern Hospital

Critical Care Committee, Abbott Northwestern Hospital

A.S.T.M., Spine Implants (National group reporting to F.D.A. on standards of testing for spine implants)

Spinal Cord Society - Consulting Panel

Scientific Committee, International Symposium of the Three-Dimensional Scoliotic Deformities

IMAST Program Committee - Paradise Island, Bahamas, 2007

IMAST Program Committe - Athens, Greece, 2006
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Presentations

2009"Decision Making in Degenerative Scoliosis." Oregon Health & Science University. October 26, 2009.

"Thoracic Pedicle Subraction vs. Smith-Petersen Osteotomies for Correction of Sagittal Plane Deformity: A Case-Matched Series." Hsu B, Mehbod AA, Transfeldt EE, Garvey TA, Perra JH, Schwender JD, Pinto MR, Dykes DC, Denis F, Lonstein JE, Winter RB. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009.

IMAST, Vienna, Austria, July 14-19, 2009. “Changes of Sacroiliac Joint Motion after Long Fusion: A Biomechanical Study.” (Paper)

AAOS-FOSA, Las Vegas, Nevada, February 25-28, 2009. Short Segment Decompression and Fusion in Adult Degenerative Scoliosis.
2007International Orthopaedic Conference (Sponsored by Univ or Portugal), May 2007. LECTURE: "Surgical Decision Making in Adult Scoliosis" and "Surgical Treatment of Spondylolisthesis".

Current Spine 2007 (International Host), Phuket, Thailand, January 11-14, 2007. PRESENTATIONS: "The Future of Dynamic Stabilization", "Neuromonitoring with NIM - Spine Nerve Integrity Monitor".
20064th Annual Spinal Focus (co-chair), New York City, NY, December 7-9, 2006. Lecture: "Minimally Invasivve Spine Surgery - When is it Cost Effective?"; Moderator: "Adult Deformity"; "Spondylolisthesis"; "Degenerative and Isthmic Spondylolisthesis".

Colorado 10 Years, Lyon France, October 7, 2006. Lecture: "Decision Making for Surgical Management of Adult Scoliosis".

Scoliosis Research Society Meeting, Montery, CA, September 13-16, 2006. Pre Course Lecture: "Intraoperative Neuro Monitoring: Choices and Indications".

First Annual Stryker Spine Post Fellowship Symposium (co-chair), Vail, Colorado, June 1-3, 2006. Lecture: "The Future: Pay for Performance".

SRS Stryker Workshop, Istanbul, Turkey, May 26, 2006. Lecture: "Mechanisms in Correction in Spinal Deformity".

SRS European and Middle East Course, Istanbul, Turkey, May 25-27, 2006. Lectures: "Adult Spinal Deformity Scoliosis Treatment"; "Surgical Treatment of Childhood Spondylolysis and Spondylolisthesis"; "Selection of Fusion Levels for Degenerative Scoliosis. Where to Stop?".

Stryker Spine International Symposium (co-chair), Naples, Italy, April 6-8, 2006. Lecture: "Minimally Invasive Posterior Lumbar Decompression - Foraminal and Subarticular Stenosis"; Minimally Invasive Decompression and Stabilization - Degenerative Listhesis and Stenosis". Moderator: "Minimally Invasive Lumbar Fusion - Risks and Benefits; "Future Technologies of Minimally Invasive Surgery".

VIII Consensus Conference, Cortina, Italy, January 30-31, 2006. PRESENTATION: "Corrective Maneuvers and Sequences in Surgical Correction of Scoliosis".

International Spine Surgery and Tumor Symposium, Kauai, Hawaii, January 16-20, 2006. PRESENTATIONS: "Idiopathic Adolescent Scoliosis Management", "Adult Spinal Deformity Treatment".
2005Depuy Advanced Deformity Peer-to-Peer Meeting, New York City, NY, December 16-17, 2005. Panel Member: "Spondylolisthesis".

3rd annual Spinal Focus (co-chair), New York City, NY, December 9-10, 2005. PRESENTATIONS: "The Kyphosing Spine: Introduction and Classification" and "Spinal Neoplasms and Infections: Differential diagnosis of spine pain".

Bone, Joints, and Connective Tissue Course, University of Minnesota Medical School, December 2, 2005. Lecture: "Spinal Pain".

Physical Therapy, University of Minnesota, November 4, 2005. Lecture: "Physical Therapy and Spine".

Scoliosis Research Society 40th Annual Meeting, Miami, Florida, October 27-30, 2005. PRESENTATION: "Degenerative Adult Scoliosis: Radiographic Correlation of Lateral Rotary Listhesis with Neural Canal Dimensions."

Core Curriculum, University of Minnesota Medical School, August 12, 2005. Lecture: "Kyphosis and Spondylolisthesis".

American Academy of Orthopedic Surgeons, Washington, D.C., February 23-27, 2005. Instructional Course Lectures: "Clinical & Radiological Evaluation of Adult Scoliosis"; Clinical & Radiological Evaluation of Adult Kyphosis".

VII Consensus Conference, Cortina, Italy, January 30-February 1, 2005. Lecture: "Surgery for Cervicothoracic Kyphosis".
2004Cervical Spine Research Society, Boston, MA, December 9-11, 2004. PRESENTATION: "Cervical Degeneration, Neck Pain and Functional Disability Outcomes after Long Fusion to the Sacrum: Long-term follow-up".

2nd Annual Spinal Focus (co-chair), New York City, NY, December 3-4, 2004. PRESENTATIONS: "Adult Scoliosis with Curve Progression and Curve Pain", "Adult Degenerative Scoliosis with Single Root Radicular Pain", "Adult Degenerative Scoliosis with Central Stenosis and Rotary Listhesis".

North American Spine Society, Chicago, IL, October 27-30, 2004. PRESENTATION: "Posterior Augmentation of Anterior Lumbar Interbody Fusion Comparison of Facet and Pedicle Screw Fixation".

Scoliosis Research Society, 39th Annual Meeting, Buenos Aires, Argentina, September 6-9, 2004. LECTURE: "Night-time Bending Brace vs. a TLSO in the Treatment of Adolescent Idiopathic Scoliosis: an IRB Prospective Randomized Trial".

Scoliosis Research Society, 39th Annual Meeting, Buenos Aires, Argentina, September 6-9, 2004. LECTURE: "Prospective Study of Anterior Lumbar Interbody Fusion Augmentation with Posterior Pedicle Screws or Translaminar Facet Screws".

Grand Rounds, Northwestern, Chicago, Illinois, June 18, 2004. Lecture: "Diagnosing Back Pain".

ISSLS, Porto, Portugal, June 5, 2004. Lecture: "Comparison of spinal cord stimulation techniques for motor evoked potentials".

Minnesota Orthopaedic Society, Twentieth Annual Meeting, Minneapolis, Minnesota, May 13, 2004. Presentation: "Natural History of Adolescent Idiopathic Scoliosis of 30 to 50 Degrees at Skeletal Maturity at Average 19+6 Year Follow-up". (Co-author).

Simmons Surgical Society, Toronto, Canada, May 8, 2004. Lecture: "Spinal Cord Monitoring with Intraoperative Evoked Potential - A Technique in Evolution".

American Academy of Orthopedic Surgeons, San Francisco, CA, March 10-14, 2004. Instructional Course Lectures: "Clinical & Radiological Evaluation of Adult Scoliosis"; "Clinical & Radiological Evaluation of Adult Kyphosis".

GICD VI Consensus Conference Interbody Devices, Cortina D'Ampezzo (BL), Italy, January 26-27, 2004. Lecture: "Clinical and Biomechanical Comparisons Using Different Posterior Spinal Stabilization Techniques with and without Anterior Lumbar Structural Interbody Grafts".
20031st Annual Spinal Focus (co-chair), New York City, NY, December 5-7, 2003. Presentation: "Adolescent Idiopathic Scoliosis - Corrective Maneuvers: How, When, and Why; Distraction, Compression, Rotation, Translation, In-Situ Bending".

Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. Lecture: "Natural History of Adolescent Idiopathic Scoliosis of 30 to 50 Degrees at Skeletal Maturity at Average 19+6 Year Follow-up".

Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. Lecture: "The Importance of Spino-Pelvic Balance After Spinal Instrumentation for High Grade Developmental Spondylolisthesis".

American Academy of Orthopedic Surgeons, New Orleans, LA, February 5-9, 2003. Lecture: "Adult Spinal Deformity: Kyphosis - Clinical and Radiological Evaluation".

American Academy of Orthopedic Surgeons, New Orleans, LA, February 5-9, 2003. Lecture: "Adult Spinal Deformity: Scoliosis - Clinical and Radiological Evaluation".

V. Consensus Conference, Cortina D'Ampezzo, Italy, January 27-28, 2003. Lecture: "L5 Vertebrectomy for Spondyloptosis".
2002Scoliosis Research Society, Seattle, Washington, September 18-21, 2002. Lecture: "Pseudarthrosis and Instrumentation Complications at Long-term Follow-up of Long Fusions to Sacrum" (co-author).

Scoliosis Research Society, Seattle, Washington, September 18-21, 2002. Lecture: "Pain Pattern in Patients with Scoliosis and Syringomyelia".

Surgical Challenges in Spinal Deformity, Montreux, Switzerland, May 22, 2002. Lecture: "AIS Single Thoracic Curve: Anterior Instrumented Fusion is Superior to Conventional Posterior Instrumentation".

American Academy of Orthopaedic Surgeons, Dallas, TX, February 15, 2002. Lecture: "Prospective Randomized Study of rhBMP-2 and Cortical Bone Dowels in the Lumbar Spine".
2001American Academy of Orthopaedic Surgeons, Rosemont, IL, November 18, 2001. Lectures: "Principles of Surgery for Idiopathic Scoliosis", "Surgical Treatment of Cervical and Thoracic Kyphosis".

North American Spine Society, Seattle, WA, November 3, 2001. Lecture: "Changes in Spinal and Pelvic Sagittal Paramters Following Surgery for Isthmic Spondylolisthesis".

McNab Meeting, October 13, 2001. Lecture: "Fifth Generation Spinal Instrumentation with Anchored Pedicle Hooks for Scoliosis Correction".

Scoliosis Research Society 36th Annual Mtg, Cleveland, Ohio; September 19-22, 2001. Papers: "Crankshaft Phenomenon in Congenital Scoliosis", "Prospective, Randomized Outcomes Comparing RHBMP-2 to Autograft with Cortical Bone Dowels in Lumbar Spine Fusions".

Puerto Rico Orthopaedic Society, August 31, 2001. Lectures: "Conservative Management for Low Back Pain", "Endoscopic Back Surgery".

Stryker Spine Conference, Jackson Hole; July 27, 2001. Lecture: "Occipital-Cervical Surgery – Indications and Techniques", "Sagittal Imbalance and Osteotomies".

ISSLS, Edenburgh; June 19, 2001. Lecture: "Deformity".

AAOS 68th Annual Meeting, February 28-March 4, 2001. Lectures: "Adult Spinal Deformity – Scoliosis, Kyphosis: Surgical Options and Complications", "Adult Spinal Deformity – Complications and How to Avoid Them".

13th Annual Ski with the Spine Center, Synthes Spine, Whistler, BC; January 14-21, 2001.
2000Deformity Think Tank, New York City, NY; December 9-11, 2000.

AAOS Learning Center Spine Course, Rosemont, IL, November 10-12, 2000. Lectures: Principles of Instrumentation in Degenerative Scoliosis and Spondylolisthesis.

NASS Annual Meeting, October 28, 2000. Moderator:

Park Nicollet Talk for a Meeting, September 27, 2000.

Center for Diagnostic Imaging 2000 Primary Care Conference, September 23, 2000. Lecture: "Evaluation of Spinal Disorders".

Grand Rounds, University of Minnesota; July 28, 2000. Lecture: "The Cervical Spine in Rheumatoid Arthritis".

AO/ASIF Spine Symposium, Whitsundays, Queensland, Australia; July 12-15, 2000. Lectures: "Indications & Selection of Levels for Surgical Intervention", "Decision Making & Indications for Surgery", "When to Fuse in situ and when to reduce", "Short or Long Fusion in the Rheumatoid Patient". Moderator: "Cervical Degeneration".

South African Spine Congress,Cape Town; June 2-3, 2000. Lectures: "Osteotomies for the Correction of Sagittal Plane Deformities", "Surgical Treatment for High Grade Spondylolisthesis", "Surgical Treatment of Occipitocervical Instability and Myelopathy".

G2 Resident Lecture, University of Minnesota; May 24, 2000. Lectures: "Introduction and Principles of Physical Examination".

Grand Rounds, Emory Clinic, Atlanta, Georgia; May 7-9, 2000. Lectures: "Orthopedic/Neurologic Lecture", "Grand Rounds, Dept of Orthopaedic Surgery".

Visiting Fellows Lecture, University of Minnesota; April 7, 2000. Lectures: "Surgical Treatment of Occipitocervical Instability and Myelopathy".

AAOS Instructional Course, March 15-18, 2000. Lectures: "Orthopedic Round Table Minimally Invasive Procedures Lumbar Spine", "Adult Spinal Deformity Non-operative, Peri-operative and Operative Considerations", "Adult Spinal Deformity Surgical Decision Making and Monitoring".

Orthopedic In-Service at Park Nicollet – Meadowbrook Office; March 10, 2000.

Lecture on Ortho Review – University of Minnesota; February 25, 2000.

Year 2 Orthopedic Lecture – University of Minnesota; February 21, 2000.

9th Annual Course on: The Surgical Management of Spinal Disorders, Beaver Creek, Colorado; January 15-19, 2000. Lectures: "Decision Making for the Surgical Management of Adult Scoliosis", "Osteotomies of Spine for Coronal and Sagittal Deformities", "Metastatic Disease of the Spine – Decision Making". Moderator: "Surgical Treatment of Occipitocervical Instability Anterior, Posterior and Cervical."

Grand Rounds, University of Minnesota, July 28, 2000. Lecture: - The Cervical Spine iRheumatoid Arthritis

Grand Rounds, University of Minnesota, July 28, 2000. Lecture: - The Cervical Spine Rheumatoid Arthritis
19991999 Scoliosis Think Tank, Naples; November 3-6, 1999. Moderator: Three-dimensional Assessment and Planning.

5th International Congress on Spine Surgery, Istanbul, Turkey; June 22-24, 1999. Debate: "Hemiepiphysiodesis Round Table", "Decision Making & Surgical Treatment Adult Scoliosis". Lectures: "Advances in Video Assisted Surgery: Thoracic Spine & Lumbar Spine", "Sacrum Tumors & Treatment".

7th European GICD Forum on Spondylolisthesis, Istanbul, June 21, 1999. Lecture: - High Grade Spondylolisthesis, Dysplasic Lesions.

Symposium for the 25th Anniversary of the Spine Section of the Hellenic Society of Orthopaedic and Trauma Surgeons. Athens, Greece; May 21-23, 1999.

Complications of ALIF, E. E. Transfeldt, M.D, March 6, 1999.

First Japanese Endoscopic Spine Surgery Course, March 19, 1999. Lectures: "Retroperitoneal Approach", "Complications of Endoscopic Surgery".

Methodist Hospital/University of Minnesota Family Practice Residency Program, Lectures: Common Spine Problems. March 11, 1999.

Anterior Cervical Fusion with Internal Fixation: Indications and Complications, E.E. Transfeldt, M.D. March 7, 1999.

Lumbosacral Chordoma: Prognostic Factors and Treatments, R.A. Ozerdemoglu, M.D., E.E. Transfeldt, M.D., E.Y. Cheng, M.D., R.C. Thompson, Jr. M.D., F. Denis, M.D. American Academy of Orthopaedic Surgeons, Anaheim, CA; February 1999.

Eighth Annual Course on the Surgical Management of Spinal Disorders, Beaver Creek, Colorado; January 16-20, 1999. Lectures: "Posterior fixation techniques of the cervical spine", "Surgical treatment of AIS: Indications “pearls” of technique, instruemtnation and results", "Etiology and treatment of junctional instabilities".
1998E.E. Transfeldt, Minneapolis Sports Medicine Center, Lectures: Low Back Injuries in the Athlete, Minneapolis, Minnesota; December 3, 1998.

AAOS – Contemporary Issues in Advanced Spinal Surgery Course, Rosemont, IL; November 20-22, 1998. Lectures: "Anterior Interbody Fusion: Graft/Cages/Dowels", "Panel Discussion/Questions", "Case Presentations", "Moderator, Live Surgical Demonstrations". Labs: "Microscopic/Far Lateral Discectomy", "Anterior Interbody FusionL5-S1, Lateral Interbody Fusion L4", "Anterior Interbody Fusion, L5-S1, Lateral Interbody Fusion L4-5", "Posterior Rod Fixation T10-L2", "Posterior Fixation Techniques of the Cervical Spine", "Laminectomy/Laminoplasty".

E.E. Transfeldt, M.D.XXXV Congreso Argentino De Ortopedia Y Traumatologia Buenos aires, Argentina; November 1998.

Lumbosacral Chordoma: Prognostic Factors and Treatment. R Ozerdemoglu, M.D., E.E. Transfeldt, M.D. E. Cheng, M.D. R. Thompson M.D., F. Denis M.D. NASS 13th Annual Meeting San Francisco; October 1998.

Decompression Induced by Surgery, AO/ASIF Interactive Spine Course, E.E. Transfeldt, M.D. Snythes, Montreal, Quebec; July 17, 1998.

Resident Course, Minneapolis, MN; June 26, 1998. Lectures: "Introduction", "History – Physical Exam and Principles", "Scoliosis", "Physical Findings in Spinal Cord Lesions/ Cauda Equina Syndrome".

Correction Strategies for Spine Deformity, E.E. Transfeldt, Berck, France; June 1998.

5th International Meeting on Advanced Spine Techniques, Sorrento, Italy; May 1-3, 1998. Lecture: "Micro-Endoscopic Disectomy", "Spondylolisthesis Reduction"

7th Annual Course on The Surgical Management of Spinal Disorders, Beaver Creek, CO; January 28-21, 1998. Lectures: "Neurologic Complications – is there a current standard?", "Spondylolisthesis: insitu or reduction?", "Perspectives – Lumbar fusions: Anterior OR Posteiror".
1997AAOS Practical Strategies in Spine Surgery: Current Application and Techniques, Rosemont, IL; November 7-9, 1997. Lectures: "Laparoscopic Interbody Fusion", "Occipito-Cervical Fusion". Lab: Posterior Laminectomy, C5, C6, Laminoplasty C3, C7.

Contemporary Issues in Spine Surgery, AAOS Chicago Laparoscopic Interbody Fusion, and Occipital Cervical Fusion. E.E. Tranfeldt, M.D.. November 7-9, 1997.

SRS Spinal Deformities, St. Louis, MO; September 24, 1997. Lecture: "Complications of Surgery in the Adult Population"

Physical therapy Occupation Therapy Students - Spinal Deformities, E.E. Transfeldt, M.D.. May 19, 1997.

AO Spine Course, Israel, April 16-18, 1997. Lectures: "DDD-Cervical Spine, Pathophysiology", "Congenital Scoliosis", "Neuromuscular Scoliosis", "Kyphosis", "Overview: Minimally Invasive Spine Surgery"

Year II Medical Students Course - Low back Pain and Sciatic. E.E. Transfeldt, M.D.. February 23, 1997.
1996Spine Basic, December 12, 1996. Lectures: "Guest Lecture, The Ideal Back”. Controversies about scoliosis treatment. Surgical Approaches and Indications for Minimally Invasive Endoscopic Anterior Spinal Surgery.

AAOS Course, Debating Complex Issues in Spine Surgery, Washington DC; April 25-27, 1996. Lectures: "Biomechanics of the Intervertebral Disk: Normal versus Disease". Debate: "High Grad Spondylolisthesis: Fusion in Situ or Reduction?" Lecture: "Adult Deformity: Indications, Techniques, Results"

Telemedicine Abbott Northwestern Hospital, Minneapolis, Minnesota; March 15, 1996. Lecture: "Adolescent Scoliosis: Current Trends".

AAOS, Atlanta, Georgia, February 24, 1996. Moderator: - Spine: Lumbar.

Hanyang University Hospital, Seoul, Korea; Febrauary 15, 1996. Lestures: "Adult Scoliosis Surgery", "Anterior-Posterior Spine Surgery".

Korea University Hospital, Seoul, Korea, February 14, 1996. Lectures: Failed Low Back Surgery", "Anterior-Posterior Spine Surgery".

Kyung Hee University Hospital, Seoul, Korea, February 13, 1996. Lectures:"Failed Low Back Surgery", "Adult Scoliosis Surgery".

EHWA Woman's University Hospital, Seoul, Korea, February 12, 1996. Lectures: "Adult Thoracolumbar Spine Fractures", "Anterior-Posterior Spine Surgery".

Asan Medical Center, Seoul, Korea, February 12, 1996. Lectures: "Failed Low Back Surgery". "Adult Scoliosis Surgery".

Understanding Orthopedic Injuries, Bloomington, Minnesota, January 24, 1996. Lecture: "Consequences of Vertebral Compression Fractures".
1995AO Spine Course, Davos, Switzerland. Participant - "Operative Stabilization of the Spine". December 8, 1995.

10th International Congress of EMG and Clinical Neurophisiology, Kyoto, Japan; October 15-19, 1995. Paper: "General Anesthetic Effects on Compound Muscle Action Potentials Elicited by Single or Dual Spinal Stimulation".

Combined Meeting of Spine Society of Australia and Neurosurgical Society of Australasia, Broome; September 16-23, 1995. Lecture: "Laparoscopic and Thorascopic Surgery".

ISSLS 22nd Annual Meeting, Helsinki, Finland, June 18-22, 1995. Paper: "Dual Stimulation Compound Muscle Action Potentials in Spinal Cord Monitoring – Stimulus and Anesthetic Conditions".
1994Ethicon Endo-surgery Symposium on Minimally Invasive Approaches to the Thoracic and Lumbar Spine, Cincinnati, OH; September 9-10, 1994.Lecture: "Panel Presentation – Laparoscopy: Gasless vs Insufflation".

Nordisk Skoliosforenings Arsmote, Linkoping, Sweden, August 26-28, 1994. Lecture: "Spinal Balance in Adolescent Idiopathic Scoliosis and the Effect of CD-Instrumentation
1993AO/ASIF Spine Course, Hilton Head, South Carolina Lectures: "Indications and Classical Instrumentation for Posterior Surgery in Idiopathic Scoliosis” "Treatment of Scheuermann's Kyphosis", "Osteotomies in Ankylosing Spondylitis", "Minimal Invasive Surgery - Another Trend?" October 18, 1993.

Vertebral Body MRI Related to Lumbar Fusion Results, Buttermann, G., Heithoff, K., Ogilvie, J., Transfeldt, E, Cohen, M. North American Spine Society, San Diego, California; October, l993.

Treatment of Thoracic Disc Disease: Clinical Spectrum. Classification and Recommendation, Dekutoski, M., Transfeldt, E., Cohen, M. North American Spine Society, San Diego, California; October, l993.

Decompression Surgery on the Spine, E. Transfeldt, M.D. Spinal Cord Society International Convention, Minneapolis, Minnesota; September, l993.

Summer Symposium: Comparative Segmental Spinal Instrumentation, Hamilton, Bermuda, July 14-17, 1993. Lectures: "Historical Perspective of Cervical Spine Instrumentation", "Case Presentations".

8th Oswestry Spinal Disorders Symposium, Oswestry, Shropshire, June 9-11, 1993.
Lectures: "Wound Infections in Reconstructive Spinal Surgery", "Opportunist Infections in Immune Compromised Hosts".

Eighth Oswestry Spine Symposium, Oswestry, Great Britian Lectures: "Wound Infections in Reconstructive Spinal Surgery" "Opportunist Infections in Immune Compromised Hosts". June 9, 1993.

Motech Meeting, Karlsruhe, Germany, May 18-22, 1993. Lecture: "Adjacent Segment Degeneration Following Long Spinal Fusions".

Blood Losses and Replacement in Spinal Surgery, E. Transfeldt, M.D. Minnesota Orthopaedic Society, Minneapolis, Minnesota; May, l993.

Treatment of Surgical Spine Disease, St. Louis, MO Lectures: "When to Surgically Treat Cervical Spondylosis. Should it be Addressed Anteriorly or Posteriorly or Both?" Panelist: "Case Discussion - Kyphosis", "Case Discussion - Degenerative". April 14, 1993.

Lumbar Spine: Discussion of Cases Involving the Lumbar Spine, E. Transfeldt, M.D. Instructional Course Lecture l0lC - American Academy of Orthopaedic Surgeons, San Francisco, CA; February, l993.

Minding the Spine, Caymen Islands Lectures: Fusion to the Sacrum in Adult Idiopathic Scoliosis: The Role of Sagittal Balance". January 27, 1993.
1992AO Spine Meeting, Invited Lecturer, Switzerland Lectures: -"Indications and Classical Instrumentation for Posterior Surgery in Idiopathic Scoliosis" "Non Traumatic Kyphosis. "Operative Treatment of Spondylolysis/Spondylolysthesis: An Overview. December 13, 1992.

First Annual New York Symposium, Invited Lecturer, New York, NY, Moderator-Deformities. December 12, 1992.

AO/ASIF Course, Invited Lecturer, Seoul, Korea, Lectures: "Posterior Stabilization of the Cervical Spine (AO Plate Techniques)", "Etiology of Low Back Pain in Degenerative Lumbar Spine Disease"
"Indications and Instrumentation for Posterior Surgery in Idiopathic Scoliosis" "Indications and Instrumentation for Anterior Surgery”, "Surgical Management of Tumors of the Spine", "Ankylosing Spondylitis" Lab Instructor: Posterior Instrumentation - Thoracic scoliosis. October 3, 1992.

Critical Anatomy of the Spine in Endoscopy, E. Transfeldt, M.D. Spinal Endoscopy Symposium, Minneapolis, Minnesota; October 2, 1992.

Spinal Instrumentation: From Harrington to the Future, Invited Lecturer, Kansas City, MO, New and Transfer Technology Techniques". September 23, 1992.

Scoliosis Research Society, Moderator, Kansas City MO: Moderator-Evoke Potential Session. September 22, 1992.

International Congress on Spine Surgery, Invited Lecturer, Istanbul, Turkey: Lectures: "How Much Correction is Enough? A 3-Dimensional Perspective", "Spinal Cord Monitoring in Trauma" Moderator: Session on Congenital Scoliosis. September 4, 1992.

Natural History of Spinal Balance and Decompensation in Adolescent Idiopathic Scoliosis, H. Nagata, M.D., E. Transfeldt, M.D., M. Cohen, BS. The Effects of Immobilization of Long Segments of the Spine on Motion and Facet Forces at the Adjacent and Distal Mobile Segments, H. Nagata, M.D., E. Transfeldt, M.D., M. Schendel, P.h.D., J. Lewis, M.D. Scoliosis Research Society, Kansas City, MO; September, 1992.

Comparison of the Supine and Standing Side Bending X-Rays in Idiopathic Scoliosis to Determine Curve Flexibility and Vertebral Derotation, E. Transfeldt, M.D., R.B. Winter, M.D. Scoliosis Research Society, Kansas City, MO; September, 1992.

Fusion to the Sacrum in Adult Idiopathic Scoliosis: The Role of Sagittal Balance, M. Dekutoski, M.D., M. Schendel, P.h.D., E. Transfedlt, M.D., K.B. Wood, M.D., J.W. Ogilvie, M.D. Scoliosis Research Society, Kansas City, MO; September, 1992.

International 3-D Symposium, Invited Lecturer, Montreal, Canada, Round Table Discussion Moderator: Scoliosis Should Not be Reclassified Using 3-D Measurements. June 28, 1992.

Minding the Spine Symposium, Course Chairman, Alaska, topic of discussion "Growth Factors in Spinal Cord Regeneration. June 28, 1992.

European Spinal Deformity Meeting. Lyon France; June, 1992.

Three Dimensional Spine Changes in Milwaukee Brace for Adolescent Idiopathic Scoliosis, D. Marchesi, M.D., E. Transfeldt, M.D., MJ Schendel, P.h.D., J Lewis, P.h.D.. European Spinal Deformity Meeting, Lyon, France; June, 1992.

Prognostic Significance of Decompensation Occurring After CDI,G. Banks, M.D., E. Transfeldt, M.D., T. Garvey, M.D., JW Ogilvie, M.D., DS Bradford, M.D. European Spinal Deformity Meeting, Lyon, France; June, 1992.

Vertebral-Pelvic Axis Balance and Rotational Plane Changes Following Derotation Instrumentation. A Need for Biplanar Indices of Balance, M. Dekutoski, M.D., E. Transfeldt, M.D, KB Wood, M.D. International Symposium on 3-D Scoliotic Deformities, Montreal, Canada; June, 1992.

University of Minnesota Health Sciences television program "Health Talk and You" - topic of discussion "Back Pain". May 26, 1992.

Columbia Orthopaedic Society Meeting, Invited Lecturer, South Carolina - "Spinal Instrumentation in Adolescent Idiopathic Scoliosis", "The Rheumatoid Spine-Ankylosing Spondylitis". May 14, 1992.

MRI as a Predictor for Lumbar Fusions, K.B. Heithoff, M.D., J.W. Ogilvie, M.D., E.E. Transfeldt, M.D. Minnesota Orthopaedic Society Annual Meeting; May, l992.

Positional Changes in Instability in the Lumbar Spine, C. Popp, B.S., E.E. Transfeldt, M.D. Minnesota Orthopaedic Society Annual Meeting; May, 1992.

The Effect of the Platelet Derived Wound Healing Formula (PDWHF) and the Nerve Growth Factor (NGF) in Experimental Spinal Cord,Y. Hiraizumi, M.D., P.h.D., E. Transfeldt, M.D., N. Kawahara, M.D., P.h.D. ASIA Annual Meeting; May, 1992.

The Effects of Immobilization of Long Segments of the Spine on Motion and Facet Forces at the Adjacent and Distal Mobil Segments, H. Nagata, M.D., P.h.D., MJ Schendel, P.h.D., E. Transfeldt, M.D., JL Lewis, P.h.D. International Society of the Lumbar Spine Meeting, Chicago, IL; May, 1992.

American Academy of Orthopaedic Surgeons, 59th Annual Mtg, Washington D.C., Instructional Course Lecture (#308) -Cervical Spine II: Treatment, Outcome and Research for Spinal Cord Injury. February 28, 1992.

Prognostic Significance of Decompensation Occurring After CD Instrumentation, G. Banks, M.D., E. Transfeldt, M.D., JW Ogilvie, M.D., T Garvey, M.D., DS Bradford, M.D. American Academy of Orthopaedic Surgeons, 59th Annual Mtg., Washington, D.C.; February, 1992.

Proximal Junctional Kyphosis Following CD Instrumentation, J. Lettice, M.D., J. Ogilvie, M.D., E. Transfeldt, M.D. American Academy of Orthopaedic Surgeons, 59th Annual Mtg., Washington, D.C.; February, 1992.
1991Advanced Techniques In Spinal Instrumentation an Annual Symposium, Invited Lecturer, New York, NY, "TSRH Instrumentation for Adult and Pediatric Deformities. November 12, 1991.

Pediatric Idiopathic Scoliosis-Management of Operative Treatment Spondylolysis/Spondylolisthesis. Cervical Spondylolysis/Kyphosis Ankylosing Spondylitis, E. Transfeldt. Northwestern College of Chiropractic CME Course, Spinal Surgery Update, Minneapolis, Minnesota; November, l99l.

Combined Meeting of the Orthopaedic Research Societies of U.S.A., Japan, and Canada, Banff, Alberta, Canada - "Muscle" (Panel Moderator). October 21, 1991.

AO Course, Coordinator-Round Table Discussions, Lab Instructor for all practical sessions, Marco Island, Florida. Round Table Discussions: "Operative Treatment of Spondylolisthesis", "Ankylosing Spondylitis" Lectures: "Spinal Fixation in Neuromuscular Disease", "Cotrel-Dubousset Instrumentation-Equivalents in Deformity Surgery", "Management of Non-Traumatic Kyphosis". October 15, 1991.

Magnetic Motor Cortex Stimulation for Monitoring of Spinal Cord Motor Evoked Potentials. Y. Hiraizumi, N. Kawahara, E. Transfeldt, F. Torres. Scoliosis Research Society, Minneapolis, MN, Sept. l99l. Combined Meeting of the Orthopaedic Research Societies of USA, Japan and Canada; Banff, Alberta; October, l99l.Motor Contribution to Sciatic Nerve Action Potential After Stimulation of the Spinal Cord. N. Kawahara, Y. Hiraizumi, E. Transfeldt. Combined Meeting of the Orthopaedic Research Societies of USA, Japan, and Canada; Banff, Alberta; October, l99l.

Comparison of Evoked Potential Changes Following spinal Cord Injury by Anterior Compression, Posterior Compression and Distraction, N. Kawahara, Y. Hiraizumi, E. Transfeldt. Combined Meeting of the Orthopaedic Research Societies of USA, Japan and Canada; Banff, Alberta; October, l99l.

The Legacy of John H. Moe in the Surgical Treatment of Adolescent Idiopathic Scoliosis - Is there a New Gold Standard? E. Transfeldt, D. Bradford, J. Ogilvie. Scoliosis Research Society, Minneapolis, Minnesota; September, l99l.

Prognostic Significance of Decompensation Occurring after Cotrel Dubousset Instrumentation G. Banks, E. Transfeldt, T. Garvey, D. Bradford, J. Ogilvie. Scoliosis Research Society, Minneapolis, Minnesota; September, l99l.

One Stage vs Two Stage Anterior and Posterior Spinal Reconstruction in Adults: Assessment of Nutritional Status, Complications and Length of Hospital Stay. A Prospective Study, J. Dick, O. Boachie-Adjei, M. Wilson, E. Transfeldt, J. Ogilvie. Scoliosis Research Society, Minneapolis, Minnesota; September, l99l.

Proximal Junctional Kyphosis Following Cotrel-Dubousset Instrumentation in Adult Scoliosis. J. Lettice, J. Ogilvie, E. Transfeldt, M. Cohen. Scoliosis Research Society, Minneapolis, Minnesota; September, l99l.

Blood Loss and Replacement in Spinal Surgery, E. Transfeldt, M. Heller, M. Cohen. British Scoliosis Society, Newcastle upon Tyne, England; June 1991.

Occupational Therapy/Physical Therapy Medical Science Lecture, Minneapolis, Minnesota - "Spine Deformities". May 2, 1991.

Diagnosing Level of Cervical Myelopathy Using Spinal Cord Evoked Potentials, N. Kawahara, E. Transfeldt, Y. Hiraizumi, Baba. 2nd Annual Scientific & Educational Conference of American Society of Evoked Potential Monitoring, Minneapolis, Minnesota; May l99l.

Electrophysiololgical Evaluation of Sacral Nerve Dsyfunction in Lumbar Spinal Canal Stenosis. Y. Hiraizumi, N. Kawahara, E. Transfeldt. 2nd Annual Scientific & Educational Conference of American Society of Evoked Potential Monitoring. Minneapolis, Minnesota; May 1991.

Comparison of Evoked Potential Changes Following Spinal Cord Injury by Anterior Compression, Posterior Compression and Distraction, N. Kawahara, E. Transfeldt, S. Nagata, Y., Hiraizumi. American Spinal Injury Association, Seattle, Washington; April l99l.

The Effect of a Growth Factor Formula (Platelet Derived Wound Healing Formula) in Experimental Spinal Cord Injuries - A Preliminary Report, Y. Hiraizumi, E. Transfeldt, N. Kawahara. American Spinal Injury Association, Seattle, Washington; April l99l.

Results of Lumbar Pseudarthrosis Repair, D. Bradford, J. Ogilvie, E. Transfeldt. American Academy of Orthopaedic Surgeons, Anaheim, California; March, l99l.

Rotational Changes of the Vertebral Pelvic Axis Following Cotrel-Dubousset Instrumentation. K. Wood, D. Bradford, J. Ogilvie, M. Schendel, E. Transfeldt. American Academy of Orthopaedic Surgeons, Anaheim, California; March, l99l.

Use of Forced Air Warming System for Intra-Operative Warming, R. Gauthier, D. Bradford, E. Transfeldt. American Academy of Orthopaedic Surgeons, Anaheim, California; March l99l.

Multi-Modality and Multi-Level Spinal Evoked Potentials in Experimental Spinal Cord Compression. S. Nagata, E. Transfeldt, N. Kawahara, B. Roche, Y. Hiraizumi. Orthopaedic Research Society, Anaheim, California; March l99l.

Comparison of Evoked Potential Changes Following Spinal Cord Injury by Anterior Compression,, Posterior Compression and Distraction, N. Kawahara, E. Transfeldt, S. Nagata, Y. Hiraizumi. Orthopaedic Research Society, Anaheim, California; March l99l.

Extra Foraminal Ligaments of the Lumbosacral Spine, E. Transfeldt. Minding the Spine, Florida; Jan., l99l.
1990Three-Dimensional Changes Following Surgery for Idiopathic Scoliosis D. Marchesi, E. Transfeldt, D. Bradford. S.I.C.O.T. - l8th World Congress; Sept. l990.

Comparison of Magnetic Resonance Imaging (MRI) with Somatosensory Evoked Potentials (SSEP) and Clinical Evaluation in Chronic Spinal Cord Injuries , S. Nagata, E. Transfeldt, B. Roche, F, Torres, K. Heithoff. Scoliosis Research Society, Honolulu, Hawaii; September l990.

Rotational Changes of the Vertebral-Pelvic Axis Following Cotrel-Dubousset Instrumentation. K. Wood, E. Transfeldt, J. Ogilvie, D. Bradford, M. Schendel. Scoliosis Research Society, Honolulu, Hawaii; September l990.

Multi-Modality and Multi-Level Spinal Evoked Potentials in Experimental Spinal Cord Compression. S. Nagata, E. Transfeldt, N. Kawahara, B. Roche, Y. Hiraizumi. Scoliosis Research Society, Honolulu, Hawaii; September l990.

The Effect of a Growth Factor Formula (Platelet Derived Wound Healing Formula) In Experimental Spinal Cord Injuries - A Preliminary Report, E. Transfeldt, S. Nagata, Y. Hiraizumi, N. Kawahara. Plasticity and Regeneration of Spinal Cord, Ohio State University, Columbus, Ohio; July l990.

North American Orthopaedic Nurses Association Meeting, Invited Lecturer, Chicago, Illinois - "Neurological Monitoring for Spinal Surgery". June 13, 1990.

Comparison Between MRI & SSEP in Chronic Spinal Cord Injury Patients, E. Transfeldt, S. Nagata, B. Roche, F. Torres, K. Heithoff. American Spinal Injury Association, Orlando, Florida; May 3-5, l990.

Experimental Study with Evoked Potentials in Acute Compression Injuries of Cat Lumbar Spinal Cord, E. Transfeldt, S. Nagata, B. Roche. American Spinal Injury Association, Orlando, Florida; May 3-5, l990.

Three-Dimensional Changes in the Spine Following Surgical Instrumentation, E. Transfeldt, J. P. Thompson, D. Bradford. Simmons Surgical Society, Sannibel, Florida; April l-4, l990.

Decompensation Following Cotrel-Dubousset Instrumentation of Adolescent Idiopathic Scoliosis. J. P. Thompson, E. Transfeldt, D. Bradford. American Academy of Orthopaedic Surgeons, New Orleans, Louisiana; February 8-l3, l990.

Acute Anterior Decompression of the Thoracic and Lumbar Spine Fractures with Neurologic Involvement, E. Transfeldt, R. Kahmann, D. Bradford. American Academy of Orthopaedic Surgeons, New Orleans, Louisiana; February 8-l3, l990.

American Academy of Orthopaedic Surgeons - Instructional Course, New Orleans, Louisiana - "Overview of Spinal Cord Injuries and Conservative Treatment of Thoracic and lumbar Spine Injuries" and "Thoracic & Lumbar Spine Fractures-Decomp. & Anterior Approaches". February 8-14, 1990.

Evaluation of Spinal Imbalance and Shoulder Elevation Following Cotrel-Dubousset Instrumentation with Special Reference to Uncoupling, J. P. Thompson, E. Transfeldt, D. Bradford, O. Boachie-Adjei. American Academy of Orthopaedic Surgeons, New Orleans, Louisiana, February 8-l3 1990 Federation of Spine Associations (FOSA); Feb., l990.

Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine, E. Transfeldt, D. White, D. Bradford, J. Ogilvie, B. Roche, R. Kahmann. American Academy of Orthopaedic Surgeons, New Orleans, Louisiana, February 8-l3, 1990. Federation of Spine Associations (FOSA); Feb., l990
1989Spinal Cord Injury Lecture Series - Minneapolis, Minnesota - "Evaluation and Monitoring of Spinal Cord Injuries". December 15, 1989.

A.A.O.S. Course - Advancing Orthopaedic Nursing into the 90's, Minneapolis, Minnesota - "Update on Management of Neck Pain". October 7, 1989.

Clinical Orthopaedic Society Meeting, Minneapolis, Minnesota - "Thoracolumbar Fracture - Decompression and Stabilization". October 7, 1989.

Evaluation of Spinal Imbalance and Shoulder Elevation Following Cotrel-Dubousset Instrumentation with Special Reference to Uncoupling, J. P. Thompson, E. Transfeldt, D. Bradford, O. Boachie-Adjei. Scoliosis Research Society, Amsterdam; September l989.

Rotation and Uncoupling in Adolescent Idiopathic Scoliosis J. P. Thompson, E. Transfeldt, D. Bradford. Scoliosis Research Society, Amsterdam; September l989.

Results of Lumbar Pseudarthrosis Repair, W. Lauerman, D. Bradford, J. Ogilvie, E. Transfeldt. Scoliosis Research Society, Amsterdam; September l989.

Results of Lumbar Pseudarthrosis Repair, W. Lauerman, D. Bradford, J. Ogilvie, E. Transfeldt. Scoliosis Research Society, Amsterdam; September l989.

Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine, E. Transfeldt, D. White, D. Bradford, J. Ogilvie, R. Kahmann, M. Cohen, B. Roche. Scoliosis Research Society, Amsterdam; September l989.

Correlation of MRI and Somatosensory Evoked Potentials in Evaluating Chronic Spinal Cord Injuries, E. Transfeldt, S. Nagata, F. Torres, K. Schellhaus, B. Roche. Scoliosis Research Society, Amsterdam; September l989.

Decompensation After Co
trel-Dubousset Instrumentation of Idiopathic Scoliosis, J. P. Thompson, E. Transfeldt, D. Bradford, J. Ogilvie, O. Boachie-Adjei. Scoliosis Research Society, Amsterdam; September l989.

Paresis of Proximal (L2-3,4) Lumbar Roots After Reduction of L5-Sl Spondylolisthesis, G. Dendrinos, E. Transfeldt, D. Bradford. Scoliosis Research Society, Amsterdam; September l989.

Clinical Research Database for the Study of Spinal Deformity and Disease, M. Cohen, D. Bradford, J. Ogilvie, O. Boachie-Adjei, E. Transfeldt. Scoliosis Research Society, Amsterdam; September l989.

Management of Pseudarthrosis of the Lumbar Spine, W. Lauerman, E. Transfeldt, D. Bradford - Scoliosis Research Society, Amsterdam; September, 1989.

Controversies in Spinal Surgery, Minneapolis, Minnesota - "Infections of the Spine" - "Spinal Cord Monitoring: Current Status". June 24, 1989.

Infections of the Spine, E. Transfeldt. Controversies in Spinal Surgery, Minneapolis, Minnesota; June 22-24, l989.

Spinal Cord Monitoring: Current Status, E. Transfeldt. Controversies in Spinal Surgery, Minneapolis, Minnesota, June 22-24, l989

Motor and Sensory Tract Activation Following Epidural Electrical Stimulation, E. Transfeldt, G. Niznik, F. Shichijo, T. Ohshima, B. Pomeranz. North American Spine Society, Quebec City, Canada; June, l989.

The Management of Pseudarthrosis after Spine Fusion for Idiopathic Scoliosis, W. Lauerman, D. Bradford, E. Transfeldt, J. Moe, J. Ogilvie. American Orthopaedic Association, Colorado Springs, Colorado; June, l989.

Changes in Vertebral Rotation and Segmental Uncoupling Following Cotrel-Dubousset Instrumentation in Adolescent Idiopathic Scoliosis, E. Transfeldt, D. Bradford, M. Coscia, M. Cohen, J. P. Thompson. Canadian Orthopaedic Association, Toronto, Canada; June, l989.

Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine, E. Transfeldt, D. White, D. Bradford, B. Roche, R. Kahmann. Canadian Orthopaedic Association, Toronto, Canada; June, l989.

Pseudarthrosis Following Surgery for Idiopathic Scoliosis, W. Lauerman, E. Transfeldt, D. Bradford. Canadian Orthopaedic Association, Toronto, Canada; June l989.

Motor and Sensory Tract Activation Following Epidural Electrical Stimulation, E. Transfeldt, G. Niznik, F. Shichijo, T. Ohshima, B. Pomeranz. Canadian Orthopaedic Association, Toronto, Canada; June, l989.

Chymopapain Versus Conventional Surgery for Lumbar Disc Herniation: A Ten Year Follow-Up. E. Transfeldt, G. Tregonning, J. McCulloch, I. Macnab, A. Nachemson. Candian Orthopaedic Association, Toronto, Canada; June, l989.

MRI, Evoked Potentials and Clinical Evaluation in Cervical Spinal Cord Injuries E. Transfeldt, S. Nagata, International Spinal Cord Monitoring Society, Japan; June, 1989.

Family Practice Review Update, Minneapolis, Minnesota "Lower Back Pain". May 12, 1989.

American Academy of Orthopaedic Surgeons Course, Toronto, Canada - The Spine: Fundamental Problems.- "Critical Anatomy of the Spine and Spinal Cord. "Infections of the Spine - Diagnosis and Rationale for Treatment."- "Demonstration of Surgical Approaches to the Spine." May 10-12, 1989.

Invited Lecturer at Center for Diagnostic Imaging (C.D.I.), Minneapolis, Minnesota, "Imaging in Spinal Deformities". May 6, 1989.

Lumbar Disc Herniation. Long Term Results of Treatment:Chymopapain versus Conventional Surgery, G. Tregonning, E. Transfeldt, J. McCulloch, I. Macnab, A. Nachemson. International Society for Study of Lumbar Spine, Tokyo, Japan; May 1989.

Northern MRI presents - Magnetic Resonance Imaging: Applications and Guidelines for the Clinical Practitioner, Duluth, Minnesota; "Imaging and the Management of Deformities of the Spine". April 29, 1989

Changes in Vertebral Rotation and Segmental Uncoupling Following Cotrel-Dubousset Instrumentation in Adolescent Idiopathic Scoliosis, E. Transfeldt, D. Bradford, M.Coscia, M.Cohen, J. P. Thompson. Minnesota Orthopaedic Association, Minneapolis, Minnesota; April 28, l989.

Invited Lecturer at Southwestern Medical School, Dallas, Texas - "Fractures of the Thoracic and Lumbar Spine". April 20, 1989.

Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine, E. Transfeldt, D. White, D. Bradford, B. Roche, R. Kahmann. American Spinal Injury Association, Las Vegas, Nevada; April 2-4, l989.

Changes in Vertebral Rotation and Segmental Uncoupling Following Cotrel-Dubousset Instrumentation in Adolescent Idiopathic Scoliosis, E. Transfeldt, D. Bradford, M. Coscia, M. Cohen, and J. P. Thompson. British Scoliosis Society, London, England; March l989.

Rotation and Coupling in Adolescent Idiopathic Scoliosis, E. Transfeldt, J. P. Thompson, D. Bradford. British Scoliosis Society, London, England; March l989.

Lumbar Disc Herniation - Long Term Results of Treatment: Chymopapain versus Conventional Surgery, G. Tregonning, E. Transfeldt, J. McCulloch, I. Macnab, A. Nachemson. American Academy of Orthopaedic Surgeons, Las Vegas, Nevada; February l989.

The Management of Pseudarthrosis after Spinal Fusion for Idiopathic Scoliosis, W. Lauerman, E. Transfeldt, D. Bradford. American Academy of Orthopaedic Surgeons, Las Vegas, Nevada, February l989.
1988Lumbar Disc Herniation - Long Term Results of Treatment: Chymopapain versus Conventional Surgery, G. Tregonning, E. Transfeldt, J. McCulloch, I. MacNab, A. Nachemson. MacNab Surgical Society; December l-4, l988.

Multiple Level Non-Contiguous Spinal Fractures , J. Powell, J. Waddell, W. Tucker, E. Transfeldt. American Association for the Surgery of Trauma, Newport Beach, California; October 6-8, 1988.

Changes in Segmental Coupling and Vertebral Rotation Following Cotrel-Dubousset Instrumentation for Idiopathic Scoliosis, E. Transfeldt, D. Bradford, M. Coscia, M. Cohen, P. Thompson. Scoliosis Research Society, Baltimore, Maryland; September 29-October 2, 1988.

Motor and Sensory Tract Activation Following Epidural Stimulation in the Cat E. Transfeldt, G. Niznik, F. Shichijo, T. Ohshima, B. Pomeranz. Scoliosis Research Society, Baltimore, Maryland; September 29-October 2, 1988.

Effect of Nitrous Oxide on Motor Evoked Potentials in Cats F. Shichijo, G. Niznik, E. Transfeldt, F. Gentili, A. Hudson. Scoliosis Research Society, Baltimore, Maryland; September 29-October 2, 1988.

The Management of Pseudarthrosis After Spinal Fusion for Idiopathic Scoliosis. W. Lauerman, D. Bradford, E. Transfeldt, J. Ogilvie. Scoliosis Research Society, Baltimore, Maryland; September 29-October 2, 1988.

Spinal Cord Society International Convention, Pittsburgh, Pennsylvania - "The Spinal Center Programs". August 4, 1988.

Modern Day Concepts in the Assessment and Management of Neck Disability, State University of New York, Buffalo, New York, "Critical Anatomy of the Cervical Spine and Spinal Cord" "Infections of the Cervical Spine - Diagnosis and Treatment". July 22-23, 1988.

Orthopaedic Surgery and Rehabilitation State of the Art 1988, Minneapolis, Minnesota, "Low-Back Pain: Clinical Evaluation" "Levels of Spinal Cord Injury: Basic Concepts and Rehab. Potential", "Rehabilitation of the Spinal Cord Patient" (Panel Moderator). June 9-11, 1988.

Computerized Tomographic Assisted Discography: Discussion and Critique, E. Transfeldt. Canadian Orthopaedic Association Meeting, Ottawa, Canada; June 5-9, l988.

Defective in Vitro Function of Osteoblast-Like Cells Cultured from Bone of Patients with Idiopathic Osteoporosis, M.M. Wong, H. Ly, L. Rao, E. Transfeldt, T.M. Murray. American Society for Bone and Mineral Research, New Orleans, Louisiana; June, 1988.

Family Practice Update, University of Minnesota, Minneapolis, Minnesota - "Low-Back Pain Evaluation and Management". May 5, 1988.

A.O. Fracture Course, University of Toronto (Workshop), Toronto, Canada "Demonstration of Internal Fixation of Fracture Techniques", "Internal Fixation of the Spine". February 25-28, 1988.

Experimental Testing and Comparison of Screw Design Variables in Transpedicular Screw Fixation: A Biomechanical Study E. Transfeldt. American Academy of Orthopaedic Surgeons, Atlanta, Georgia; February 4-9, 1988.
1987The Luque Inter-Peduncular Segmental Fixation Course, Dallas, Texas - "Anatomy of Thoracic and Lumbar Spine" ,"Indications and Considerations for Fusion in the Lumbar Spine". October 23, 1987.

Electrophysiological Diagnosis of Lumbar Radiculopathy, E. Transfeldt. Macnab Surgical Society, Niagara, Canada; September 20, 1987.

Bone and Screw Variables in Transpedicular Fixation. E. Transfeldt, R. Skinner, J. Maybee, R. Venter, W. Chalmers. Scoliosis Research Society; September, 1987.

Intraoperative Evoked Potential, EMG and EEG Monitoring, Memphis, Tennessee - "Intraoperative Monitoring During Spinal Cord Surgeries". August 28-29, 1987.

State University of New York Course - Fundamental Problems of Low-Back Disability, Buffalo, New York - "Critical Anatomy of the Spine and Spinal Cord", "Spinal Infection as a Cause of Back Pain - Recognition and Management". July 17-18, 1987.

Intra-operative Neurological Monitoring Symposium, San Francisco, California; "Monitoring During Orthopaedic Surgery". May, 1987.

Saint John Medical Society (Workshop), Saint John, New Brunswick - "Lumbar Disk Disease - Diagnosis and Management" ,"Examination of the Back". April 23-25, 1987.

Segmentally Recorded Spinal Evoked Potentials as a Diagnostic Tool for Spinal Nerve Lesions. T. Ohshima, E. Transfeldt, G. Niznik, Clinical Research, Society of Toronto, Toronto; April 5, 1987.

Epidural Electrical Stimulation of the Spinal Cord Activates Both Motor and Sensory Spinal Tracts. G. Niznik, E. Transfeldt, T. Ohshima, B. Pomeranz. Clinical Research Society of Toronto, Canada, April, 1987.

Defective in Vitro Function of Osteoblast-Like Cells Cultured from Bone of Patients with Idiopathic Osteoporosis, M.M. Wong, H. Ly, L. Rao, E. Transfeldt, T.M. Murray. Clinical Research Society of Toronto, Canada; April, 1987.

Experimental Testing and Comparison of Bone Variables in Transpedicular Fixation of the Spine. J. Maybee, G. Midroni, E. Transfeldt, R. Skinner, R. Venter. Clinical Research Society of Toronto, Canada; April, 1987 .

Experimental Testing and Comparison of Screw Design Variables in Transpedicular Screw Fixation: A Biomechanical Study, R. Skinner, J. Maybee, E. Transfeldt, R. Venter. Clinical Research Society of Toronto, Canada; April, 1987.

Symposium at American Academy of Orthopaedic Surgeons, San Francisco, California - "What's New in Spinal Surgery". January 23, 1987.

The Cause of Neurologic Deficit in Acute Spondylolisthesis and in Reduction of Grades III-IV Spondylolisthesis, E. Transfeldt, D. Robertson, K. Heithoff. American Academy of Orthopaedic Surgeons, San Francisco, California; January, 22-27, 1987.

What's New in Spinal Instrumentation - Management of Spinal Tumors , E. Transfeldt. American Academy of Orthopaedic Surgeons, San Francisco, California; January 22-27, 1987.

Symposium at American Academy of Orthopaedic Surgeons, San Francisco, California - "What's New in Spinal Surgery". January 23, 1987.
1986Peterborough County Medical Society. Ontario, Canada, "Advances in Back Pain". December 19, 1986.

York County Emergency Clinic Day - "Spine Injuries." November 12, 1986.

The Cause of Neurologic Deficit in Acute Spondylolisthesis and Reduction of Grades III-V Spondylolisthesis, E. Transfeldt, D. Bradford, D. Robertson, K. Heithoff. British Scoliosis Society, Bermuda. Scoliosis Research Society, Bermuda; September, 1986.

International Conference on Low-Back Pain and Manipulative Sciences, Toronto, Ontario - "Mechanisms and Diagnosis of Spinal Injuries". August 16-17, 1986.

The Luque Segmental Peduncular Fixation Course, Indianapolis, Indiana - "Anatomy of Thoracic and Lumbar Spine". August 15, 1986.

Ontario Medical Association, Dialogue on Low-Back Disease - "Conservative Treatment for Low-Back Pain". June 9-12, 1986.

Changes in Vertebral Rotation, Rib Hump, and Lung Volume Following Surgery for Idiopathic Thoracic Scoliosis, G. Howie, E. Transfeldt, D. Bradford, K. Heithoff. Federation of Spine Associations, New Orleans, February, 1986. Canadian Orthopaedic Association, Edmonton, Alberta, Canada; June 1-5, 1986.

Applied Basic Science Course, New Horizons in Spinal Surgery, Ottawa, Canada - "Ligaments of the Spinal Canal and Nerve-Root Canals". May 8-10, 1986.

Changes in Vertebral Rotation, Rib Hump, and Lung Volume Following Surgery for Idiopathic Thoracic Scoliosis, G. Howie, E. Transfeldt, D. Bradford, K. Heithoff. American Academy of Orthopaedic Surgeons, New Orleans, Louisiana; February 20-25, 1986.

Canadian Memorial Chiropractic College - "Pathophysiology and Natural History of Lumbar Spine Degeneration". Febuary 10, 1986.

A.O. Fracture Course (Workshop), Toronto, Canada - "Demonstration of Internal Fixation of Fracture Techniques". January 31, 1986.
1985International Symposium on Spinal Cord Monitoring, Maryland. Executive Committee Member - "Mechanisms of Spinal Cord Injury with Changes in Evoked Potentials". October, 1985.

Changes in Vertebral Rotation, Rib Hump and Lung Volume Following Surgery for Idiopathic Thoracic Scoliosis, E. Transfeldt, G. Howie, D. Bradford, K. Heithoff. Scoliosis Research Society, San Diego, California, September, 17-10; 1985.

International Chemonucleolysis Symposium, Hamilton, Canada - "Indications and Contra Indications for Chemonucleolysis". June 2, 1985.

Ligaments of the Lumbosacral Spine and Extraforaminal Nerve Entrapment, E. Transfeldt, K. Heithoff, D. Bradford. Canadian Orthopaedic Association, Hamilton; June, 1985.

Gallie Days, University of Toronto, Toronto, Canada -"The Anatomy and Surgery of Spondylolisthesis". May 10, 1985.

Wound Infections in Elective Reconstructive Spinal Surgery, E. Transfeldt. American Academy of Orthopaedic Surgeons, Las Vegas, Nevada; January, 1985.
1984Wound Infections in Elective Reconstructive Spinal Surgery, E. Transfeldt, J. Lonstein Scoliosis Research Society, Orlando, Florida; September, 1984.

Vertebral Osteomyelitis E. Transfeldt. North American Spine Association Vale, Colorado; July, 1984.

Segmental Spinal Evoked Potentials in the Diagnosis of Radiculopathy, E. Transfeldt, I. Macnab Canadian Orthopaedic Research Society, Winnipeg, Canada; June 10-11, 1984.

Pyogenic Vertebral Osteomyelitis: Natural History and Spectrum E. Transfeldt, I. Macnab, J. Kostuik. American Academy of Orthopaedic Surgeons; January, 1984.
1983Segmental Spinal Evoked Potentials in the Diagnosis of Individual Nerve-Root Lesions E. Transfeldt, A. Hudson. Scoliosis Research Society, New Orleans, Louisiana; September, l983

Configurations and Dimensions of the Adult Spinal Cord and Canal, E. Transfeldt, I. Macnab. - Scoliosis Research Society, New Orleans, Louisiana; September, 1983.

Pyogenic Vertebral Osteomyelitis: Natural History and Spectrum E. Transfeldt, I. Macnab, J. Kostiuk. Canadian Orthopaedic Association, Quebec City, Quebec; June, 1983.
1982International Society for the Study of the Lumbar Spine, Toronto, Ontario, June, 1982 Canadian Orthopaedic Research Society, Kingston, Ontario; June, 1982.

Functional and Pathological Biomechanics of the Spinal Cord,. Sound/slide presentation to Seventh Combined Meeting of the Orthopaedic Associations of the English Speaking World, Cape Town, South Africa, March, 1982. Association of Bone and Joint Surgeons, Puerto Vallarta, Mexico; April, 1982.
1981Functional and Pathological Biomechanics of the Spinal Cord: An in Vivo Study, E. Transfeldt, E. Simmons, Russell Hibbs Award Lecture. Scoliosis Research Society, Montreal, Quebec; September 18, 1981.
1980Mechanisms of Spinal Cord Distraction Injury, E. Transfeldt, E.H. Simmons, Cervical Spine Research Society, Palm Beach, Florida; December, 1980.

Correlation of Spinal Evoked Potentials with Spinal Cord Pathophysiology, Scoliosis Research Society, Chicago, Illinois, September, l980.

An Experimental Evaluation of Traction Injuries of the Spinal Cord - Edouard Samson Award Lecture, Canadian Orthopaedic Association, Calgary, Canada; June 10, 1980.

Biomechanics of the Spinal Cord Ortho. Resident's Association Meeting, London; May, l980.

The Present Status of Spinal Cord Monitoring, Instructional Course on the Spine, Division of Orthopaedic Surgery, Faculty of Medicine, University of Toronto; April, 1980.
1979Spinal Cord Monitoring - Twenty-Third Annual Symposium on Rehabilitation. Sponsored by the Ontario Society for Crippled Children and the Ontario March of Dimes, Toronto, Ontario; November 3, 1979.

Correlation of Spinal Evoked Potentials with Spinal Cord Pathophysiology. Canadian Orthopaedic Research Society, Montreal, Quebec; June, 1979.

Correlation of Spinal Evoked Potentials with Spinal Cord Pathophysiology E. Transfeldt, R. Hughes, E.H. Simmons, C.H. Taylor, E.J. Dolan. Canadian Orthopaedic Residents Association, Ottawa, Canada; May l979.
1978Spinal Cord Monitoring in Experimental Spinal Cord Distraction, E. Transfeldt, E. Simmons. Scoliosis Research Society, Boston, Massachusetts; September 1978.

Somatosensory Evoked Potentials in Experimental Spinal Cord Distraction, E. Transfeldt, E. Simmons. Canadian Orthopaedic Association, Vancouver, British Columbia; June 1978.

Spinal Evoked Potentials, E. Transfeldt, E. Simmons. Toronto Research Society April 1978

The Effect of Prolonged Anesthesia on Spinal Evoked Potentials, E. Transfeldt, M. Kalichman Eastern Encephalographers Association, St. Adel, Quebec; March, 1978.

Somatosensory Evoked Potentials in Experimental Spinal Cord Distraction, E. Transfeldt, E. Simmons. Canadian Orthopaedic Resident's Association, Halifax, Nova Scotia; May, 1978.

Spinal Evoked Potentials in Experimental Spinal Cord Distraction, E. Transfeldt, E.H. Simmons. Eastern Encephalographers Association, St. Adel, Quebec, March 1978
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Abstracts

1992HIRAIZUMI, Y.; TRANSFELDT, E.;KAWAHARA, N.;SUNG, J.H: The Effect of The Platelet Derived Wound Healing Formula (PDWHF) and the Nerve Growth Factor (NGF) On Experimental Spinal Cord Injury, Orthopaedic Transactions, Vol. 16, No. 2:523, Summer, l992.

DEKUTOSKI, M.; WOOD, K.; TRANSFELDT, E.: Vertebral-Pelvic Axis Balance and Rotational Plane Changes Following Derotation Instrumentation. A Need for Biplanar Indices of Balance. International Symposium on 3D Scoliotic Deformities. Editor: Jean Danserau, M.D., Gustav Fischer Verlag, June, 1992.

HIRAIZUMI, Y.; TRANSFELDT, E.; KAWAHARA, N: Magnetic Motor Cortex Stimulation For Monitoring of Spinal Cord Motor Evoked Potentials, Orthopaedic Transactions, Vol. 16, No. 1:146, Spring, 1992

BANKS, G.; TRANSFELDT, E.; OGILVIE, J.W.; GARVEY, T.; BRADFORD, DS: Prognostic Significance of Decompensation Occuring After Cotrel-Dubousset Instrumentation, Orthopaedic Transactions, Vol. 16, No. 1:158, Spring, 1992.

LETTICE, J.; OGILVIE, J.W.; TRANSFELDT, E: Proximal Junctional Kyphosis Following CD Instrumentation in Adult Scoliosis, Orthopaedic Transactions, Vol. 16, No. 1:162, Spring, 1992

BOACHIE, O; DICK J; OGILVIE, J.W.; WILSON, M.; TRANSFELDT E: One Stage Vs. Two Stage Anterior and Posterior Spinal Reconstruction in Adults: Assessment of Nutritional Status, Complications and Length of Stay, Orthopaedic Transactions, Vol. 16, No. 1:61, Spring, 1992.

TRANSFELDT, E.; OGILVIE, J.W.; BRADFORD, D.S.: The Legacy of John H. Moe in the Surgical Treatment of Adolescent Idiopathic Scoliosis-Is There a New Gold Standard? Orthopaedic Transactions, Vol. 16, No. 1:152, Spring, 1992.
1991KAWAHARA, N.; TRANSFELDT, E.; NAGATA, S.; HIRAIZUMI, Y.: Comparison of Evoked Potential Changes Following Spinal Cord Injury by Anterior Compression, Posterior Compression and Distraction. Orthopaedic Transactions, Vol. l5, No. 2, l99l.
1990TRANSFELDT, E.; TREGONNING, G.; MCCULLOCH, J.; MACNAB, I.; NACHEMSON, A.: Chymopapain Versus Conventional Surgery for Lumbar Disc Herniation:A Ten Year Follow-Up. Orthopaedic Transactions, Vol. l4, No. l, l990.

TRANSFELDT, E.; NIZNIK, G.; SHICHIJO, F.; OHSHIMA, T.; POMERANZ, B.: Motor and Sensory Spinal Tract Activation Following Epidural Stimulation in the Cat. Orthopaedic Transactions, Vol. l4, No. l, l990.

THOMPSON, J.P.; TRANSFELDT, E.; BRADFORD, D.; BOACHIE-ADJEI, O.: Evaluation of Spinal Imbalance and Shoulder Elevation Following Cotrel-Dubousset Instrumentation with Special Reference to Uncoupling. Orthopaedic Transactions, Vol. l4, No. 3, l990.

THOMPSON, J.P.; TRANSFELDT, E.; BRADFORD, D.: Rotation and Uncoupling in Adolescent Idiopathic Scoliosis. Orthopaedic Transactions, Vol. l4, No. 3, l990.

LAUERMAN, W.; BRADFORD, D.; OGILVIE, J.; TRANSFELDT, E.: Results of Lumbar Pseudarthrosis Repair. Orthopaedic Transations, Vol. l4, No. 3, l990.

TRANSFELDT, E.; WHITE, D.; BRADFORD, D.; OGILVIE, J.; KAHMANN, R.; COHEN, M.; ROCHE, B.: Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine. Orthopaedic Transactions, Vol. l4, No. 3, l990.

TRANSFELDT, E.; NAGATA, S.; TORRES, F.; SCHELLHAUS, K.; ROCHE. B.: Correlation of MRI and Somatosensory Evoked Potentials in Evaluating Chronic Spinal Cord Injuries. Orthopaedic Transactions, Vol. l4, No. 3, l990.

DENDRINOS, G.; TRANSFELDT, E.; BRADFORD, D.: Paresis of Proximal (L2,3,4) Lumbar Roots After Reduction of L5-Sl Spondylolisthesis. Orthopaedic Transactions, Vol. l4, No. 3, l990.

COHEN, M.; BRADFORD, D.; OGILVIE, J.; BOACHIE-ADJEI, O.; TRANSFELDT, E.: Clinical Research Database for the Study of Spinal Deformity and Disease. Orthopaedic Transactions, Vol. l4, No. 3, l990.

TRANSFELDT, E.; WHITE, D.; BRADFORD, D.; OGILVIE, J.; KAHMANN, R.; COHEN, M.; ROCHE, B.: Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine. Orthopaedic Transactions, Vol. l4, No. 3, l990.

THOMPSON, J.P.; TRANSFELDT, E.; BRADFORD, D.: Decompensation Following Cotrel-Dubousset Instrumentation of Adolescent Idiopathic Scoliosis. Orthopaedic Transactions, Vol. l4, No. 3, l990.
1989TRANSFELDT, E.; DENDRINOS, G.; BRADFORD, D.: Paresis of Proximal Lumbar Roots after Reduction of L5-Sl Spondylolisthesis. Spine, Vol. l4, No. 8, Aug. l989.

LAUERMAN, W.C.; BRADFORD, D.; TRANSFELDT, E.E.; MOE, J.H.; OGILVIE, J.: The Management of Pseudarthrosis after Spinal Fusion for Idiopathic Scoliosis. Orthopaedic Transactions, Vol. l3, No. l, l989.

TRANSFELDT, E.; BRADFORD, D.; COSCIA, M.; COHEN, M.; THOMPSON, J.P.: Changes in Segmental Coupling and Vertebral Rotation Following Cotrel-Dubousset Instrumentation for Idiopathic Scoliosis. Orthopaedic Transactions, Vol. l3, No. l, l989.

TRANSFELDT, E.; NIZNIK, G.; SHICHIJO, F.; OHSHIMA, T.: Motor and Sensory Spinal Tract Activation Following Epidural Electrical Stimulation in the Cat. Orthopaedic Transactions, Vol. l3, No. l, l989.

SHICHIJO, F.; NIZNIK, G.; TRANSFELDT, E.; GENTILI, F.; HUDSON, A.R.: Effect of Nitrous Oxide on Motor Evoked Potentials in Cats. Orthopaedic Transactions, Vol. l3, No. l, l989.

LAUERMAN, W.; BRADFORD, D.; TRANSFELDT, E.; MOE, J.; OGILVIE, J.: The Management of Pseudarthrosis after Spinal Fusion for Idiopathic Scoliosis. Orthopaedic Transactions, Vol. l3, No. 3, l989.
1988TRANSFELDT, E.; SKINNER, R; MAYBEE, J.; VENTER, R.; CHALMERS, W.: Bone and Screw Variables in Transpedicular Fixation. Orthopaedic Transactions, Vol. l2, No. 2, l988.
1987TRANSFELDT, E.: The Cause of Neurologic Deficit in Acute Spondylolisthesis (Listhetic Crisis) and in Reduction of Grades III-V Spondylolisthesis. Orthopaedic Transactions, Vol 11 No. 1, l987.
1986TRANSFELDT, E.: Changes in Vertebral Rotation, Rib Hump, and Lung Volume Following Surgery for Idiopathic Thoracic Scoliosis. Orthopaedic Transactions, Vol 10 No. 1, l986.

TRANSFELDT, E.: Ligaments of the Lumbar-Sacral Spine and Extraforaminal Nerve Root Entrapment. Orthopaedic Transactions, Vol. 10 No. 1, l986.

TRANSFELDT, E.: Analysis of the Efficacy of Electrodiagnostic Techniques in Documented Radiculoneuropathy. Orthopaedic Transactions, Vol. 10 No. 3, l986.
1985TRANSFELDT, E.: Wound Infections in Reconstructive Spinal Surgery. Orthopaedic Transactions, Vol 9 No. 1, l985.

TRANSFELDT, E.: Segmental Spinal Evoked Potentials in the Diagnosis of Radiculopathy. Orthopaedic Transactions, Vol 9 No. 1, l985.

TRANSFELDT, E.: Configurations and Dimensions of the Normal Adult Spinal Cord and Canal. Orthopaedic Transactions, Vol 9 No. 1, l985.

TRANSFELDT, E.: Uncinate Spurring - A New Concept in Lateral Spinal Stenosis. Orthopaedic Transactions, Vol 9 No. 3, l985.
1984TRANSFELDT, E.: Vertebral Osteomyelitis, The Disease Spectrum. Orthopaedic Transactions, Vol 8 No. 3, l984.
1983TRANSFELDT, E.: Functional and Pathological Biomechanics of the Spinal Cord: An in vivo Study. Orthopaedic Transactions, Vol. 7 No. 1, l983.
1982TRANSFELDT, E.: Functional and Pathological Biomechanics of the Spinal Cord. Orthopaedic Transactions, Vol 6 No. 1, l982.
1981TRANSFELDT, E.: Mechanisms of Spinal Cord Distraction Injury. Orthopaedic Transactions, Vol 5 No. 1, Spring, l98l.
1979TRANSFELDT, E.: Correlation of Spinal Evoked Potentials with Spinal Cord Pathophysiology. Orthopaedic Transactions, Vol 3 No. 3, Fall, l979.

TRANSFELDT, E.: Spinal Cord Monitoring in Experimental Spinal Cord Distraction. Orthopaedic Transactions, Vol 3 No. 1, Pg. 68, Spring, 1979.
1978TRANSFELDT, E.: Spinal Evoked Potentials in Experimental Spinal Cord Distraction. Orthopaedic Transactions, Vol 3 No. 1, Nov. 1978.
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Publications

2013Cho W, Sokolowski MJ, Mehbod AA, Denis F, Garvey TA, Perl J, Transfeldt EE. MRI measurement of neuroforaminal dimension at the index and supradjacent levels after anterior lumbar interbody fusion: a prospective study. Clin Orthop Surg. 2013 Mar;5(1):49-54. Epub 2013 Feb 20.
2012Skinner SA, Hsu B, Transfeldt EE, Mehbod AA, Rippe DM, Wu C, Erkan S. Spinal cord injury from electrocautery: observations in a porcine model using electromyography and motor evoked potentials. J Clin Monit Comput. 2013 Apr;27(2):195-201. Epub 2012 Nov 23.
2011Chaudhari R, Zheng X, Wu C, Mehbod AA, Transfeldt EE, Winter RB. Effect of number of fusion levels on S1 screws in long fusion construct in a calf spine model. Spine (Phila Pa 1976). 2011 Apr 15;36(8):624-9.

Ploumis A, Transfeldt EE, Gilbert TJ, Mehbod AA, Pinto MR, Denis F. Radiculopathy in degenerative lumbar scoliosis: correlation of stenosis with relief from selective nerve root steroid injections. Pain Med. 2011 Jan;12(1):45-50.
2010Zheng X, Chaudhari R, Wu C, Mehbod AA, Erkan S, Transfeldt EE. Biomechanical evaluation of an expandable meshed bag augmented with pedicle or facet screws for percutaneous lumbar interbody fusion. Spine J. 2010 Nov;10(11):987-93.

Cho W, Wu C, Zheng X, Erkan S, Suratwala SJ, Mehbod AA, Transfeldt EE. Is It Safe to Back Out Pedicle Screws After Augmentation With Polymethyl Methacrylate or Calcium Phosphate Cement?: A Biomechanical Study. J Spinal Disord Tech. 2010 Oct 21. [Epub ahead of print].

Transfeldt EE, Topp R, Mehbod AA, Winter RB. Surgical outcomes of decompression, decompression with limited fusion, and decompression with full curve fusion for degenerative scoliosis with radiculopathy. Spine. 2010 Sep 15;35(20):1872-5.

Ploumis A, Albert TJ, Brown Z, Mehbod AA, Transfeldt EE. Healos graft carrier with bone marrow aspirate instead of allograft as adjunct to local autograft for posterolateral fusion in degenerative lumbar scoliosis: a minimum 2-year follow-up study. J Neurosurg Spine. 2010 Aug;13(2):211-5.

Erkan S, Wu C, Mehbod AA, Cho W, Transfeldt EE. Biomechanical comparison of transpedicular versus extrapedicular vertebroplasty using polymethylmethacrylate. J Spinal Disord Tech. 2010 May;23(3):180-5.

Ploumis A, Wu C, Mehbod A, Fischer G, Faundez A, Wu W, Transfeldt E.
Revision of transforaminal lumbar interbody fusion using anterior lumbar interbody fusion: a biomechanical study in nonosteoporotic bone. J Neurosurg Spine. 2010 Jan;12(1):82-7.
2009Zheng X, Chaudhari R, Wu C, Mehbod AA, Transfeldt EE. Subaxial cervical pedicle screw insertion with newly defined entry point and trajectory: accuracy evaluation in cadavers. Eur Spine J. 2010 Jan;19(1):105-12. Epub 2009 Nov 15.

Erkan S, Hsu B, Wu C, Mehbod AA, Perl J, Transfeldt EE: Alignment of pedicle screws with pilot holes: can tapping improve screw trajectory in thoracic spines? Eur Spine J. 2009 Jun 14. [Epub ahead of print].

Faundez AA, Schwender JD, Safriel Y, Gilbert TJ, Mehbod AA, Denis F, Transfeldt EE, Wroblewski JM. Clinical and radiological outcome of anterior-posterior fusion versus transforaminal lumbar interbody fusion for symptomatic disc degeneration: a retrospective comparative study of 133 patients. Eur Spine J. 2009 Jan 6. [Epub ahead of print]

Schwender JD, Casnellie MT, Perra JH, Transfeldt EE, Pinto MR, Denis F, Garvey TA, Polly DW, Mehbod AA, Dykes DC, Winter RB, Wroblewski JM. Perioperative complications in revision anterior lumbar spine surgery: incidence and risk factors. Spine. 2009 Jan 1;34(1):87-90.

Erkan S, Wu C, Mehbod AA, Hsu B, Pahl DW, Transfeldt EE. Biomechanical Evaluation of a New AxialLIF Technique for Two-level Lumbar Fusion. Eur Spine J. 2009 Apr 8. [Epub ahead of print].

Skinner SA, Transfeldt EE, Mehbod AA, Mullan JC, Perra JH. Electromyography Detcts Mechanically-Induced Suprasegmental Spinal Motor Tract Injury: Review of Decompression at Spinal Cord Level. Clin Neurophysiol. 2009 Apr; 120(4): 754-64. Epub 2009 Mar 10.

Wu C, Mehbod Aa, Erkan S, Transfeldt EE. A Method to Calculate Relative Spinal Motion without Digitization. Spine J. 2009 Feb; 9(2):182-9.

Ofiram E, Garvey TA, Schwender JD, Wroblewski JM, Winter RB. Cervical degenerative changes in idiopathic scoliosis patients who underwent long fusion to the sacrum as adults: incidence, severity, and evolution. J Orthop Traumatol. 2009 Mar;10(1):27-30. Epub 2009 Feb 3.

Sembrano, Mehbod, Garvey, Denis, Perra, Schwender, Transfeldt, Winter, Wroblewski: A Concomitant Posterior Approach Improves Fusion Rates But Not Overall Reoperation Rates In Multilevel Cervical Fusion For Spondylosis. Journal of Spinal Disorders and Techniques. (Accepted for Publication - May 2009)

Erkan S, Rivera Y, Wu C, Mehbod AA, Transfeldt EE. Biomechanical comparison of a two-level Maverick disc replacement with a hybrid one-level disc replacement and one-level anterior lumbar interbody fusion. Spine J. 2009 Oct;9(10):830-5. Epub 2009 May 28.

Ploumis, Lui, Mehbod, Transfeldt, Winter: A Correlation of Radiographic And Functional Measurements In Adult Degenerative Scoliosis. Spine. 2009 Jul 1;34(15):1581-4.

Vargas, Mehbod, Mullaney, Dykes, Schwender, Transfeldt, Akesen, Wroblewski: Salvage Procedures For Pseudoarthrosis After TLIF: Anterior Vs. Anterior-Posterior Surgery. A Clinical and Radiological Outcome Study. Accepted for Publication - JSOA.

Mac-Thiong, Transfeldt, Mehbod, Perra, Denis, Garvey, Lonstein, Winter: Can C7 Plumbline And Gravity Line Predict Health Related Quality Of Life In Adult Scoliosis? Spine. 2009 Jul 1;34(15):E519-27.

Skinner SA, Transfeldt EE. Electromyography in the detection of mechanically induced spinal motor tract injury: observations in diverse porcine models. J Neurosurg Spine. 2009 Sep;11(3):369-74.
2008Wu C, Mehbod AA, Erkan S, Transfeldt EE. A method to calculate relative spinal motion without digitization. Spine J. 2008. [Epub]

Derincek A, Mehbod A, Pinto M, Transfeldt E. Degeneration of non-fused segments after floating lumbar fusion. Acta Orthop Belg. 2008;74(4):507-11

Sokolowski MJ, Garvey TA, Perl J 2nd, Sokolowski MS, Akesen B, Mehbod AA, Mullaney KJ, Dykes DC, Transfeldt EE: "Postoperative Lumbar Epidural Hematoma: Does Size Really Matter?" Spine. 2008 33(1): 114-9.

Sokolowski MJ, Garvey TA, Perl J 2nd, Sokolowski MS, Cho W, Mehbod AA, Dykes DC, Transfeldt EE: "Prospective Study of Postoperative Lumbar Epidural Hematoma: Incidence and Risk Factors". Spine. 2008 33(1): 108-13.

Ploumis A, Mehbod AA, Dressel TD, Dykes DC, Transfeldt EE, Lonstein JE: "Therapy of spinal wound infections using vacuum-assisted wound closure: risk factors leading to resistance to treatment". J Spinal Disord Tech. 2008 Jul;21(5):320-3.

Santos ER, Pinto MR, Lonstein JE, Denis F, Garvey TA, Perra JH, Transfeldt EE, Schwender JD: "Revision lumbar arthrodesis for the treatment of lumbar cage pseudoarthrosis: complications". J Spinal Disord Tech. 2008;21(6):418-21.

Weistroffer JK, Perra JH, Lonstein JE, Schwender JD, Garvey TA, Transfeldt EE, Ogilvie JW, Denis F, Winter RB, Wroblewski JM: "Complications in Long Fusions to the Sacrum for Adult Scoliosis: Minimum Five-year Analysis of Fifty Patients". Spine. 2008; 33(13): 1478-83.

Cho W, Wu C, Mehbod AA, Transfeldt EE. Comparison of Cage Designs for Transforaminal Lumbar Interbody Fusion: A Biomechanical Study. Clin Biomech (Bristo, Avon). 2008 Oct; 23(8): 979-85.

Akesen B, Wu C, Mehbod AA, Sokolowski M, Transfeldt EE. Revision of Loosened Iliac Screws: A Biomechanical Study of Longer and Bigger Screws. Spine. 2008 Jun 1;33(13): 1423-8.

Faundez AA, Mehbod AA, Wu C, Wu W, Ploumis A, Transfeldt EE. Position of Interbody Spacer in Transformainal Lumbar Interbody Fusion: Effect on 3-Dimensional Stability and Sagittal Lumbar Contour. J Spinal Discord Tech. 2008. May; 21(3): 175-80.

Akesen B, Wu C, Mehbod AA, Transfeldt EE. Biomechanical Evaluation of Paracoccygeal Transsacral Fixation. J Spinal Disord Tech. 2009 Feb; 21(1):39-44.

Ploumis A, Wu C, Fischer G, Mehbod AA, Wu W, Faundez A, Transfeldt EE. Biomechanical Comparison of Anterior Lumbar Interbody Fusion and Transforaminal Lumbar Interbody Fusion. J Spinal Disord Tech. 2008 Apr; 21(2):120-5.

Skinner SA, Transfeldt EE, Savik K. Surface Electrodes are not Sufficient to Detect Neurotonic Discharges: Observations in a Porcine Model and Clinical Review of Deltoid Electromyographic Monitoring Using Multiple Electrodes. J Clin Monit Comput. 2008 Apr; 22(2):131-0. Epub 2008 Mar 12.
2007DERINCEK A, MEHBOD AA, SCHELLHAS K, PINTO MR, TRANSFELDT EE. Discography: Can Pain in a Morphologically Normal Disc be Due to an Adjacent Abnormal Disc? Arch Orthop Trauma Surg. 2007 Jun 19 (Epub).

Transfeldt EE, Mehbod AA. Evidence-based Medicine Analysis of Isthmic Spondylolisthesis Treatment Including Reduction Versus Fusion In Situ for High-Grade Slips. Spine. 2007 Sep 1;32(19 Suppl):S126-9. Review.

Skinner S, Chiri CA, Wroblewski J, Transfeldt EE. Enhancement of the bulbocavernosus reflex during intraoperative neurophysiological monitoring through the use of double train stimulation: a pilot study. J Clin Monit Comput. 2007 Feb;21(1):31-40. Epub 2006 Dec 1.
2006DERINCEK A, WU C, MEHBOD AA, TRANSFELDT EE. Biomechanical Comparison of Anatomic Trajectory Pedicle Screw Versus Injectable Calcium Sulfate Graft-Augmented Pedicle Screw for Salvage in Cadaveric Thoracic Bone. J Spinal Disord Tech. 2006 June; 19(4):286-91.

PLOUMIS A, MEHBOD AA, GARVEY TA, GILBERT T, TRANSFELDT EE, WOOD K. Prospective Assessment of Cervical Fusion Status: Plain Radiographs Versus CT-Scan. Acta Orthop Belg. 2006 June; 72(3):342-6.

PLOUMIS A, TRANSFELDT EE, GILBERT TJ Jr, MEHBOD AA, DYKES DC. Degenerative Lumbar Scoliosis: Radiographis Correlation of Lateral Rotatory Olisthesis with Neural Canal Dimensions. Spine. 2006; 31(20):2353-8.

Ploumis A, Transfeldt EE. Anatomic Changes in Lateral Spondylolisthesis Associated with Adult Lumbar Scoliosis. Spine. 2006 Jul 15;31(16):1864.
2005MEHBOD AA, OGILVIE JW, PINTO MR, SCHWENDER JD, TRANSFELDT EE, WOOD KB, LEHUEC JC. Postoperative Deep Wound Infections in Adults After Spinal Fusion: Management with Vacuum-Assisted Wound Closure. J Spinal Disord Tech. 2005 Feb; 18(1):14-17.
2004BEAUBIEN BP; MEHBOD AA; KALLEMEIER PM; LEW WD; BUTTERMAN GR; TRANSFELDT EE; WOOD KB: Posterior Augmentation of an Anterior Lumbar Interbody Fusion: Minimally Invasive Fixation Versus Pedicle Screws In Vitro. Spine 29(19): E406-E412, 2004.
2003KESLING KL; LONSTEIN JE; DENIS F; PERRA JH; SCHWENDER JD; TRANSFELDT EE; WINTER RB: The Crankshaft Phenomenon After Posterior Spinal Arthrodesis for Congenital Scoliosis: A Review of 54 Patients. Spine 28(3): 267-271, 2003.    DOCUMENT LINK
OZERDEMOGLU RA; THOMPSON RC; TRANSFELDT EE; CHENG EY: Diagnostic Value of Open and Needle Biopsies in Tumors of the Sacrum. Spine 28(9): 909-915, 2003.
    DOCUMENT LINK
OZERDEMOGLU RA; DENIS F; TRANSFELDT EE: Scoliosis Associated with Syringomyelia. Clinical and Radiologic Correlation. Spine 28(13): 1410-1417, 2003.

ESCOBAR E; TRANSFELDT EE; GARVEY TA; OGILVIE JW; GRABER J; SCHULTZ L: Video-Assisted Versus Open Anterior Lumbar Spine Fusion Surgery - A Comparison of Four Techniques and Complications in 135 Patients. Accepted for Publication in Spine.

OZERDEMOGLU RA; TRANSFELDT EE; DENIS F: Value of Treating Primary Causes of Syrinx in Scoliosis Associated with Syringomyelia. Spine 28(8): 806-814, 2003.
2002BURKUS JK; TRANSFELDT EE; KITCHEL SH; WATKINS RG; BALDERSTON RA: Clinical and Radiographic Outcomes of Anterior Lumbar Interbody Fusion Using Recombinant Human Bone Morphogenetic Protein-2. Spine 27(21): 2396-2408, 2002.
GARVEY TA; TRANSFELDT EE; MALCOLM JR; KOS P: Outcome of Anterior Cervical Discectomy and Fusion as Perceived by Patients Treated for Dominant Axial-Mechanical Cervical Spine Pain. Spine 27(17): 1887-1895, 2002.     DOCUMENT LINK
2001ISLAM NC; WOOD KB; TRANSFELDT EE; WINTER RB; DENIS F; LONSTEIN JE; OGILVIE JW: Extension of Fusions to the Pelvis in Idiopathic Scoliosis. Spine 26(2): 166-172, 2001.    DOCUMENT LINK
1999ABE E; NICKEL T; BUTTERMAN GR; LEWIS JL; TRANSFELDT EE: The Effect of Spinal Instrumentation on Lumbar Intradiscal Pressure. Tohoku Journal of Experimental Medicine 187(3): 237-247, 1999.

CHENG EY; OZERDEMOGLU RA; TRANSFELDT EE; THOMPSON RC Jr: Lumbosacral Chordoma. Prognostic Factors and Treatment. Spine 24(16): 1639-1645, 1999.
1998BUTTERMAN GR; GARVEY TA; HUNT AF; TRANSFELDT EE; BRADFORD DS; BOACHIE-ADJEI O; OGILVIE JW: Lumbar Fusion Results Related to Diagnosis. Spine 23(1): 116-127, 1998.

ABE E; NICKEL T; BUTTERMAN GR; LEWIS JL; TRANSFELDT EE: Lumbar Intradiscal Pressure after Posterolateral Fusion and Pedicle Screw Fixation. Tohoku Journal of Experimental Medicine 186(4): 243-253, 1998.
1997PAYNE WK 3RD; OGILVIE JW; RESNICK MD; KANE RL; TRANSFELDT EE; BLUM RW: Does Scoliosis have a Psychological Impact and Does Gender Make a Difference? Spine 22(12): 1380-1384, 1997.

BUTTERMAN GR; HEITHOFF KB; OGILVIE JW; TRANSFELDT EE; COHEN M: Vertebral Body MRI Related to Lumbar Fusion Results. European Spine Journal 6(2): 115-120, 1997.
1996HU SS; BRADFORD DS; TRANSFELDT EE; COHEN M: Reduction of High-grade Spondylolisthesis using Edwards Instrumentation. Spine 21(3): 367-371, 1996.

HIRAIZUMI Y; FUJIMAKI E; TRANSFELDT EE; KAWAHARA N; GIEGEL VD; KNIGHTON D; SHUNG JH: The Effect of the Platelet Derived Wound Healing Formula and the Nerve Growth Factor on the experimentally Injured Spinal Cord. Spinal Cord 34(7): 394-402, 1996.

WILLERS U; TRANSFELDT EE; HEDLUND R: The Segmental Effect of Cotrel-Dubousset Instrumentation of Vertebral Rotation, Rib Hump and the Thoracic Cage in Idiopathic Scoliosis. European Spine Journal 5(6): 387-393, 1996.

HIRAIZUMI Y; TRANSFELDT EE; KAWAHARA N; YAMADA H: Differences in Sensitivity Between Magnetic Motor-evoked Potentials and Somatosensory-evoked Potentials in Experimental Spinal Cord Lesions. Spine 21(19): 2190-2196, 1996.
1995YAMADA H; TAMAKI T; WAKANO K; MIKAMI A; TRANSFELDT EE: Effect of Transcranial Magnetic Stimulation on Cerebral Function in a Monkey Model. Electroencephalography & Clinical Neurophysiology 97(2): 140-144, 1995.

YAMADA H; TRANSFELDT EE; TAMAKI T; NISHIURA H; TAYLOR BA; TORRES F; IAIZZO PA: General Anesthetic Effects on Compound Muscle Action Potentials Elicited by Single or Dual spinal Cord Stimulation. J Spinal Disorders 8(2): 157-162, 1995.

HIRAIZUMI, Y.; TRANSFELDT, E.; FUJIMAKI, E.; NAMBU, M.: Application of Polyvinyl Alcohol Hydrogel Membrane as Anti-adhesive Interposition after Spinal Surgery, Spine, 20(21): 2272-2277, 1995.
1994YAMADA H; TRANSFELDT EE; TAMAKI T; TORRES F; IAIZZO PA: The Effects of Volatile Anesthetics on the Relative Amplitudes and Latencies of Spinal and Muscle Potentials Evoked by Transcranial Magnetic Stimulation. Spine 19(13): 1512-1517, 1994.

WOOD KB; POPP CA; TRANSFELDT EE; GEISSELE AE: Radiographic Evaluation of Instability in Spondylolisthesis. Spine 19(15): 1697-1703, 1994.
1993HIRAIZUMI, Y.; TRANSFELDT, E.; KAWAHARA, N.; SUNG, J.H.; KNIGHTON, D.; FIEGEL, V.D.: In Vivo Angiogenesis by Platelet Derived Wound Healing Formula in Injured Spinal Cord. Brain Res. Bulletin 30:353-357, l993.

HIRAIZUMI, Y.; TRANSFELDT, E.; FUJIMAKI, E.; NAKABAYASHI, H.; ISHIKAWA, T.; SATO, H.: Electrophysiological Evaluation of Intermittent Sacral Nerve Dysfunction in Lumbar Spinal Canal Stenosis. Spine, l8:l355-l360, l993.

NAGATA H; SCHENDEL MJ; TRANSFELDT EE; LEWIS JL: The Effects of Immobilization of Long Segments of the Spine on the Adjacent and Distal Facet Force and Lumbosacral Motion. Spine 18(16): 2471-2479, 1993.

TRANSFELDT EE; ROBERTSON D; BRADFORD DS: Ligaments of the Lumbosacral Spine and their Role in Possible Extrafominal Spinal Nerve Entrapment and Tethering. J Spinal Disorders 6(6): 507-512, 1993.
1992HIRAIZUMI, Y.; TRANSFELDT, E.; KAWAHARA, N; FIEGEL, VD; KNIGHTON, D; SUNG, JH: The Effects of Growth Factor Formula (Platlet Dereved Wound Healing Formula) in Experimental Spinal Cord Injuries. J. Am. Paraplegia Soc. l5:7-l3, l992.

LAUERMAN WC; BRADFORD DS; OGILVIE JW; TRANSFELDT EE: Results of Lumbar Pseudarthrosis Repair. J. Spinal Disorders 5(2): 149-157, 1992.

MARCHESI DG; TRANSFELDT EE; BRADFORD DS; HEITHOFF KB: Changes in Vertebral Rotation after Harrington and Luque Instrumentation for Idiopathic Scoliosis. Spine 17(7): 775-780, 1992.
1991TREGONNING, G.D.; TRANSFELDT, E.; MCCULLOCH, J.A.; MACNAB, I; NACHEMSON, A.: Chymopapain Versus Conventional Surgery for Lumbar Disc Herniation. J. of Bone and Joint Surg.(British), Vol. 73-B, No. 3, May l99l.

LAUERMAN, W.L.; BOACHIE, O.; BRADFORD, D.S.; OGILVIE, J.W.; TRANSFELDT, E.E.: Management of Pseudarthrosis After Arthrodesis of the Spine for Idiopathic Scoliosis, J. Bone and Joint Surgery, 73(2): 222-236, February, l99l.

DEVLIN, V.; BOACHIE-ADJEI, O.; BRADFORD, D.S.,; OGILVIE, J.W.; TRANSFELDT, E.E.: Treatment of Adult Spinal Deformity with Fusion to the Sacrum Using CD Instrumentation. J. Spinal Disorders 4(1): 1-14, 1991.

DEVLIN, V.; OGILVIE, J.; TRANSFELDT, E.; BOACHIE-ADJEI, O.; BRADFORD, D.: Surgical Treatment of Neuropathic Spinal Arthropathy. J. Spinal Disorders, 4(3): 319-328, 1991.

WOOD, K.; TRANSFELDT, E.; OGILVIE, J.; SCHENDEL, M.; BRADFORD, D.: Rotational Changes of the Vertebral-Pelvic Axis Following Cotrel-Dubousset Instrumentation. Spine l6:8S, pp S404-S408, l99l.

HIRAIZUMI, Y.; TRANSFELDT, E.; KAWAHARA, N.: The Effect of Platelet Derived Wound Healing Formula in Spinal Cord Injured Animals. Uehara Life Science Foundation, 5:282-287, l99l.

TRANSFELDT, E.: Cervical Spondylosis in Surgery of the Spine. K. Bridwell, editor, "Surgery of the Spine" J.B. Lippincott, l99l.
1990TRANSFELDT, E.: Monitoring of Spinal Cord and Nerve Roots during Surgery of the Spine. Back Pain Monitor, Vol. 8, No. l0, Oct. l990.

TRANSFELDT, E.; WHITE, D.; BRADFORD, D.; ROCHE, B.: Delayed Anterior Decompression in Patients with Spinal Cord and Cauda Equina Injuries of the Thoracolumbar Spine. Spine, Vol. l5, No. 9, Sept. l990.

THOMPSON, J.P.; TRANSFELDT, E.; BRADFORD, D.; OGILVIE, J.; BOACHIE-ADJEI, O.: Decompensation After Cotrel-Dubousset Instrumentation of Idiopathic Scoliosis. Spine, Vol. l5, No. 9, Sept. l990.

SKINNER, R.; MAYBEE, J.; TRANSFELDT, E.;VENTER,R.; CHALMERS, W.: Experimental Testing and Comparison of Variables in Transpedicular Screw Fixation: A Biomechanical Study. Spine, Vol. l5, No. 3, March l990.

NIZNIK, G.; TRANSFELDT, E.; POMERANZ, B.; et.al.: Spinal Sensory and Motor Tract Activation After Epidural Electrical Stimulation in the Cat. Spine, Vol. l5, No. 7, l990.

TRANSFELDT, E.; NAGATA, S.; ROCHE, B.: Comparison of MRI, SSEP and Clinical Function in Chronic Spinal Cord Injuries. In Spinal Cord Monitoring, Springer Verlag l990.

TRANSFELDT, E.; NIZNIK, G.: Motor and Sensory Tract Activation of the Spinal Cord. In Spinal Cord Monitoring, Springer Verlag l990.

TRANSFELDT, E.; THOMPSON, P.; BRADFORD, D.: Three-Dimensional Changes in the Spine Following Cotrel-Dubousset Instrumentation for Adolescent Idiopathic Scoliosis. In Cotrel-Dubousset Instrumentation. Sauramps Lyons. l990.

TRANSFELDT, E.; THOMPSON, P.; BRADFORD, D.: Three-Dimensional Deformity in Adolescent Idiopathic Scoliosis with Special Reference to Rotation and Coupling. In Cotrel-Dubousset Instrumentation. Sauramps Lyons, l990.

TRANSFELDT, E.; LAUERMAN, W.: Results of Lumbar Pseudarthrosis Repair. Spine, l990.
1989 POWELL, J.; WADDELL, J.; TUCKER, W.; TRANSFELDT, E.: Multiple-Level Noncontiguous Spinal Fractures. Journal of Trauma, Vol. 29, No. 8, Aug. l989.
1988RICHARDS, R.; LEDBETTER, W.; TRANSFELDT, E.: Radiocarpal Osteoarthritis Associated with Bilateral Bipartite Carpal Scaphoid Bones. Canadian Journal of Surgery, Vol 30 No. 4, July l987.
1982TRANSFELDT, E.; KEITH, R.: Annular Pancreas with Coexistent Ampullary Carcinoma. Canadian J. of Surgery, Nov. 1982
1980DOLAN, E.; TRANSFELDT, E.; TATOR, C.: The Effect of Spinal Distraction on Regional Spinal Cord Blood Flow in Cats. J.of Neurosurgery, Dec. 1980
1977TRANSFELDT, E.; MORLEY, J.; SEGAL, F.: Polymyositis as a cause of malabsorption. South African Medical Journal, Feb. 1977.
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Publications Non-Referred Journal

2003Denis F, Dykes DC, Garvey TA, Lonstein JE, Mehbod AA, Ogilvie JW, Perra JH, Pinto MR, Schwender JD, Transfeldt EE: "Scoliosis in children and adolescents. Diagnosis and treatment." Minnesota Physician, Volumne XVII, No. 7, October 2003.
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Book Chapters

1.     Schwender JD, Foley KT, Holly LT, Transfeldt, EE: Minimally Invasive Posterior Surgical Approaches to the Lumbar Spine. IN The Spine, Fifth Edition, Saunders/Elsevier, 2006.
2.     Transfeldt EE, Mehbod AA: Spondylolisthesis Reduction. IN Surgical Anatomy and Techniques to the Spine. W.B. Saunders, 2005.
3.     Garvey TA, Transfeldt EE: Decompression: Issues and Techniques, Ch. 30A, pp. 583-594. IN The Adult & Pediatric Spine, 3rd Edition, Edited by Lauerman WC. Lippincott Williams and Wilkins; Philadelphia, 2004.
4.     Transfeldt EE, Wu CW, Mehbod AA. Biomechanics of SpinoPelvic Fixation. SRS eTextbook published online at SRS.org 2010.
5.     Transfeldt EE, Raaii F, Mehbod AA. Surgery for Axial Back Pain: ALIF versus PLIF or TLIF.
Published in Controversies in Spine Surgery by Vaccarro, Eck. Thieme, 2010.
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Exhibits

"Detection of Small Spinal Motion with Point Matching in Flexion-Extension Radiographs for Anterior Cervical Discectomy and Fusion." Wu C, Zou H, Mehbod AA, Transfeldt EE. IMAST 17th Annual Meeting, Toronto, Canada, July 21-24, 2010.

"A New Measurement Technique for Surface Lumbar Spinal Motion using Laser Triangulation." Wu C, Zou H, Mehbod AA, Transfeldt EE. IMAST 17th Annual Meeting, Toronto, Canada, July 21-24, 2010.
2009"Natural History of Adolescent Idiopathic Scoliosis of 50˚ or Greater at Maturity: Rate of Progression and Functional Outcomes." Raverty MK (BA), Mehbod AA, Perra JH, Garvey TA, Transfeldt EE, Schwender JD, Lonstein JE, Winter RB. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009.

"A Novel Neuromonitoring Phenomenon May Anticipat MEP Loss and Avoid Further Spinal Cord Insult During Surgery." (E-Poster) Mehbod AA, Transfeldt EE, Skinner S. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009.

"Critical Values of Sagittal Balance Associated with Deterioration of Health-Related Quality of Life in Adult Scoliosis." (E-Poster) Mac-Thiong JM, Transfeldt EE, Mehbod AA, Perra JH, Denis F, Garvey TA, Lonstein JE, Wu C (PhD), Dorman CW, Winter RB. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009.

IMAST, Vienna, Austria, July 14-19, 2009. "A Novel Neuromonitoring Phenomenon May Anticipate MEP Loss and Avoid Further Spinal Cord Insult During Surgery." (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. “Pullout Strength and Screw Removal Safety of Fenestrated Screws with Cement Augmentation.” (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. “Subaxial Cervical Pedicle Screw insertion with a New Defined Entry Point and Trajectory: Accuracy Evaluation in Cadavers.” (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. “Effect of Fusion Levels of on Lumbosacral Fixation in Long Fusion Construct.” (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. “Critical Values of Sagittal Balance Associated with Deterioration of Health-Related Quality of Life in Adult Scoliosis.” (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. "Management of Infected Instrumented Deep Space Back Wounds With the Vacuum Assisted Closure Device.” (E-Poster)

IMAST, Vienna, Austria, July 14-19, 2009. “Biomechanical Evaluation of a Novel Expandable Meshed Bag for Lumbar Interbody Fusion.” (E-Poster)
2008Transfeldt EE, Pinto MR, Crawford, Burkus, Valdevit, Reyes, Turner: NASS 23rd Annual Meeting. E-poster: "Biomechanical Advantages of a Novel Dual-Threaded Pedicle Screw Design versus Traditional Single-Threaded Pedicle Screws", Toronto, Canada, October 14-18, 2008.
2005Scoliosis Research Society 40th Annual Meeting, October 27-30, 2005, Miami, Florida. Poster: "Biomechanical Comparison of Anatomic Trajectory Pedicle Screw Versus Injectable Calcium Sulfate Graft Augmented Pedicle Screw for Salvage in Cadaveric Thoracic Bone".

Scoliosis Research Society 40th Annual Meeting, Miami, Florida, October 27-30, 2005. Poster: "In vitro Comparison of Anterior vs. Posterior Supplemental Fixation of an L4-Sacrum ALIF".
2004Scoliosis Research Society, 39th Annual Meeting, Buenos Aires, Argentina, September 6-9, 2004. Poster: "Ureteral Injury Following Anterior Lumbar Fusion: Risk Factors and Early Diagnosis".

11th International Meeting on Advanced Spine Techniques (IMAST), Bermuda, July 1-3, 2004. Poster: "Prospective Study of Anterior Lumbar Interbody Fusion Augmentation with Posterior Pedicle Screws or Translaminar Facet Screws".

Spine Society of Europe, Porto, Portugal, May 30-June 5, 2004. Poster: "Posterior Augmentation of Anterior Lumbar Interbody Fusion: Minimal Fixation Versus Pedicle Screws".
2003Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. Poster: "Spondylotic Disease of Cervical Spine Involving Three or More Levels: Does Concomitant Posterior Approach Increase Fusion Rates?"

Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. Poster: "Postoperative Deep Wound Infection in Adults after Spine Fusions: Management with Vacuum-Assisted Wound Closure".

Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. Poster: "Posterior Augmentation of Anterior Lumbar Interbody Fusion: Minimal Fixation versus Pedicle Screws".
2002Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. Poster: "C2 Plumb Line Correlated with the Standard Radiographic Sagittal Balance Measure".

Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. Poster: "Spondylotic Disease of Cervical Spine Involving Three or More Levels: Addition of Posterior Approach Increase Fusion Rates, but is it Required?".

Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. Poster: "Cervical Degeneration and Neck Pain after Long Fusion to the Sacrum: Minimum 5-Year Follow-up".
2001Scoliosis Research Society 36th Annual Mtg, Cleveland, Ohio; September 19-22, 2001. Exhibit: "Plain Radiographic Assessment of Pedicle Screw Placement: A Comparison with Computed Tomography.", "Comparison of Vertebral Purchase Strength for Modified Pedicle Hook Designs for Segmental Translation Versus Pedicle Screws, Sublaminar Wires, and Traditional Pedicle Hooks."
199934th Annual Scoliosis Research Society Meeting, San Diego, California; Sept 22-25, 1999. Exhibit: In vivo Experimental Study on Mental Release after Spinal Stainless Steel and Titanium Instrumentation.

Extension of Fusion to the Sacrum in Idiopathic Scoliosis (Poster). N.C. Islam, M.D., K.B. Wood, M.D., E.E. Transfeldt, M.D., R.B. Winter, M.D., F Denis, M.D., J.E. Lonstein, M.D. American Academy of Orthopaedic Surgeons, Anaheim, CA; February 1999.
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