"Thank you for giving me my life back. I am now able to live as I never thought possible... free of pain."
Educational Background
Post-Doctoral Education
Licensure and Certification
Staff Positions
Society Memberships
Committees
Presentations
Abstracts
Publications
Publications Non-referred Journal
Books
Book Chapters
Exhibits
| Office Address: | Twin Cities Spine Center, 913 E. 26th Street, Suite 600, Minneapolis, MN 55404 | |
| Birthdate | February 13, 1957 | |
| Interests | Pediatric Spine Deformity and Adult Scoliosis, Degenerative and Traumatic Spinal Injuries, Cervical Spine Problems |
| 1971 - 1975 | High School, Zumbrota High School, Zumbrota, Minnesota |
| 1975 - 1979 | B.S., Biology, St. John's University, Collegeville, Minnesota |
| 1980 - 1984 | M.D., University of Minnesota, Minneapolis, Minnesota |
| 1984 - 1985 | Transitional Internship, Southwestern Michigan Area Health Education Center, Kalamazoo, Michigan |
| 1985 - 1990 | Orthopedic Surgery Residency, Michigan State University - Kalamazoo Center for Medical Studies, Kalamazoo, Michigan |
| 1990 - 1991 | Spine Fellowship, Minnesota Spine Center, Minneapolis, Minnesota |
| 2005 | Charite Artificial Disc Training Course |
| Minnesota |
| University of Minnesota, Department of Orthopaedics Abbott Northwestern Hospital, Minneapolis, Minnesota Children's Healthcare-St. Paul, St. Paul, Minnesota Gillette Children's Hospital, St. Paul, Minnesota Fairview University Medical Center, Minneapolis, Minnesota United Hospital, St. Paul, Minnesota Children's Healthcare - Minneapolis, Minneapolis, Minnesota |
| American Academy Orthopedic Surgeons Twin Cities Orthopaedic Society Minnesota Orthopaedic Society North American Spine Society Scoliosis Research Society |
| 1994 - 1995 | Chair of Orthopedic Quality Assessment & Improvement Committee - Fairview-University Medical Center |
| 1996 - 1997 | Co-chief of Orthopedic Clinical Services, including Medical Staff Executive Committee - Fairview-University Medical Center |
| 1999 - 2006 | Operating Room Utilization Subcommittee - Abbott Northwestern Hospital |
| 2000 - 2002 | Spine Care Pathways Team - Gillette Children's Hospital |
| 2002 - Present | Operating Room Committee - Abbott Northwestern Hospital |
| 2004 - 2005 | United Healthcare Musculoskeletal Scientific Advisory Board |
| 2005 - Present | Clinical Council - Abbott Northwestern Hospital |
| 2007 - Present | Operating Room Committee, Chair - Abbott Northwestern Hospital |
| 2010 | "Morbidity and Mortality in the Surgical Treatment of 605 Pediatric Patients with Spondylolisthesis." Fu KG, Smith JS, Shaffrey CI, Sansur CA, Hart RA, Zeller R, Polly Jr DW, Perra JH, Boachie-Adjei O. AAOS 2010 Annual Meeting, New Orleans, Louisiana, March 9-13, 2010. "Debate: Non Fusion vs Fusion for Spine Deformity." Moderator. Federation of Spine Associations, Twenty-Fifth Annual Specialty Day Meeting, New Orleans, Louisiana, March 13, 2010. |
| 2009 | "A Minimum Two-Year Comparison of Safety and Efficacy of Screw/Rod Constructs in the Pedatric Cervical Spine." Carmouche JJ, Lonstein JE, Winter RB, Schwender JD, Perra JH. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009. "Rates of Infection Following Spine Surgery Based on 108,419 Procedures: A Report from the Scoliosis Research Society Morbidity and Mortality Committee." Smith JS, Shaffrey CI, Sansur CA, Berven S, Choma TJ, Goytan JM, Noordeen H, Knapp DR, Hart RA, Zeller R, Donaldson SF, Polly DW, Perra JH. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 2009. "Pediatric Cervical Spine Fixation: A Comparison of Complication Rates Associated With Screw/Rod Constructs vs. Non-Screw/Rod Constructs." Carmouche JJ, Lonstein JE, Winter RB, Schwender JD, Perra JH. SRS 44th Annual Meeting, San Antonio, Texas, September 23-26, 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. “Complication Rates of Three Common Spine Procedures and Rates of PE/DVT Following Spine Surgery Based on 108,419 Procedures: A Report from the Scoliosis Research Society Morbidity and Mortality Committee.” Smith J, Shaffrey CI, Sansur CA, Kaiming G, Berven S, Choma TJ, Goytan MJ, Noordeen H, Knapp DR, Hart RA, Zeller R, Donaldson W, Polly DW, Perra JH, Boachie-Adjei O. IMAST, Vienna, Austria, July 14-19, 2009. “Morbidity and Mortality in the Surgical Treatment of 605 Pediatric Patients with Isthmic or Dysplastic Spondylolisthesis: A Report from the Scoliosis Research Society Morbidity and Mortality Committee.” Fu KG, Smith J, Shaffrey CI, Berven S, Choma TJ, Goytan MJ, Noordeen H, Knapp DR, Hart RA, Zeller R, Donaldson W, Polly DW, Perra JH, Boachie-Adjei O. IMAST, Vienna, Austria, July 14-19, 2009. "Short Term Follow up and Complications Profile from 100 Consecutive XLIF Procedures". Wills N, Pinto MR, Perra JH, Mullaney KJ. Presented at Solas Meeting, San Diego, California, April 17, 2009. "Thoracoabdominal Approach, Anterior Biomechanics with Case Presentations". 21st Annual International Bethesda Spine Workshop, Bethesda, Maryland, April 19-20, 2009. "Common Spine Problems in Dwarfism & Special Considerations (Case Studies)" 2009 Spine Symposium, Minneapolis, Minnesota, April 17, 2009. "Cervical Problems & Treatments - Cervical Discussion Moderator." A Roundtable Symposium: Current Controversies in Spine, Santa Fe, New Mexico, March 5-7, 2009. “Pediatric Cervical Spine Issues – Overview”. Pediatric Core Curriculum, University of Minnesota, Minneapolis, Minnesota, February 13, 2009. “Pediatric Cervical Spine Issues – Overview”. Blue River Trauma Society, Blue River, British Columbia, February 7-11, 2009. |
| 2008 | "Thoraco-Lumbar Course". 20th Annual International Bethesda Spine Workshop, Bethesda, Maryland, April 13-14, 2008. "Spinal Balance (Spinopelvic Balance). What it is, How to Measure, Is it Important, Clinical Correlation". Presented at Current Controversies in Deformity Surgery and Spine Trauma, Santa Fe, New Mexico, February 29-March 1, 2008. "Treatment of Chronic Post Traumatic Injuries/Kkyphosis. What are the Late Sequelae? Approach - Posterior only, Anterior/Posterior, Posterior/Anterior/Posterior". Presented at Current Controversies in Deformity Surgery and Spine Trauma, Santa Fe, New Mexico, February 29-March 1, 2008. "Selection of Fusion Levels in Adult Deformity, When and How to Fuse to Pelvis, Double Major, Lumbar Curves". Presented at Current Controversies in Deformity Surgery and Spine Trauma, Santa Fe, New Mexico, February 29-March 1, 2008. |
| 2007 | "Late Complications Following Spinal Fusion for Neuromuscular Scoliosis - Experience in 100 Patients". Lonstein JE, Koop SE, Novacheck T, Perra JH. Presented at Scoliosis Research Society 42nd Annual Meeting, Edinburgh, Scotland, September 5-8, 2007. "Early Post-Operative Complications of Spinal Fusion for Neuromuscular Scoliosis-Related Factors and Effect on the Duration of Hospital Stay". Lonstein JE, Koop SE, Novacheck T, Perra JH. Presented at Scoliosis Research Society 42nd Annual Meeting, Edinburgh, Scotland, September 5-8, 2007. |
| 2005 | "Degenerative Adult Scoliosis: Radiographic Correlation of Lateral Rotary Listhesis with Neural Canal Dimensions" presented at the Scoliosis Research Society 40th Annual Meeting, Miami, Florida, October 27-30, 2005. "Complications in Spinal Fusion for Scheuermann's Kyphosis. A Report of the Scoliosis Research Society Morbidity and Mortality Committee", presented at the Scoliosis Research Society 40th Annual Meeting, Miami, Florida, October 27-30, 2005. "Update: Lumbar Disc Arthroplasty - Where are we?", Presented at the Blue River Trauma Society, British Columbia, Canada; January 17-21, 2005. |
| 2004 | "Cervical Degeneration, Neck Pain and Functional Disability Outcomes after Long Fusion to the Sacrum: Long-term follow-up", Presented at the Cervical Spine Research Society, Boston, MA, December 9-11, 2004. "Low Back Pain in Athletes", Presented at the 11th Annual Red River Valley Sports Medicine Institute Spring Symposium, Fargo, North Dakota; June 4, 2004. "Degenerative Disc Disease; Decision Making, Anterior Approach, Posterior Approach, Circumferenital Approach" (co-presenter); "Revision Strategies for Lumbar Spine Disorders; Failed ALIF, Cage Revision Strategies" (presenter); "Lumbar Kyphosis; Anterior vs Posterior surgery" (presenter); "Cervical Spine" (section moderator); "Cervical Fusions; Techniques, Anterior, Posterior, Accuracy or Radiographic Assessment" (presenter); "Multi-level Cervical Stenosis and Disc Disease; The Case for Anterior Surgery, The Case for Posterior Surgery". Advances in Techniques in Degenerative Lumbar and Cervical Disorders Meeting, Santa Fe, New Mexico; February 27-28, 2004. "Aneurysmal Bone Cyst" (Case Report), Presented at the Blue River Trauma Society 26th Annual Meeting, British Columbia, Canada; January 17-24, 2004. |
| 2003 | "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. "Spondylotic Disease of the Cervical Spine Arthrodesis Three or More Levels: Results and Complications, Anterior vs Anterior + Posterior", Presented at the 10th International Meeting on Advanced Spine Techniques (IMAST), Rome, Italy; July 10-12, 2003. "Spondylolysis and Spondylolisthesis", "Faculty for Surgical Techniques/Labs", 15th Annual International Bethesday Spine Workshop, Washington, DC, June 4-7, 2003. "Tumors and Infections of the Spine", "Idiopathic Scoliosis and Schuermann's Kyphosis", Presented AAOS Comprehensive Review Course, Chicago, Illinois, May 14, 2003. "Idiopathic Scoliosis and Schuermann's Kyphosis", "Tumors and Infections of the Spine". Presented AAOS 19th Annual Comprehensive Review Course, Chicago, Illinois, May 12-17, 2003. Course Director, Mediator, Research Development, Overview - "Development of Collaborative Research". Twin Cities Research Group, Sonoma Meeting, Sonoma, California; May 3-4, 2003. "Laminoplasty Treatment for Myelopathy" Perra JH. Blue River Trauma Society, Blue River, B.C.; January 18-25, 2003. |
| 2002 | "Pseudarthrosis and Instrumentation Complications at Long-Term Follow-up of Long Fusions to Sacrum". Weistroffer JK; Perra JH; Lonstein JE; Schwender JD; Garvey TA; Transfeldt EE; Ogilvie JW; Wroblewski JM. Scoliosis Research Society, Seattle, Washington, September 18-21, 2002. "Cervical Laminoplasty". Perra JH, 2002 SRS Traveling Fellows, Minneapolis, MN; September 11, 2002. "Anterior Decompression and Fusion for Myelopathy", "Posterior Laminoplasty for Myelopathy", "Posterior Lateral Mass Plating and Fusion, "Basic Anterior Scoliosis Fusion" (slide and video demo), and "Kyphoplasty" (slide and video demo). Perra JH. Interpore Cross/ MBA Minneapolis Meeting, Minneapolis, MN; June 25-26, 2002. "Cervical Trauma in Sports" Perra JH. Red River Sports Symposia, Grand Forks, ND; June 7, 2002. "Spondylolysis and Spondylolisthesis". Perra JH, Bethesda Spine Course, Bethesda, MD; June 2-5, 2002. "Treatment of Osteoporotic Vertebral Fractures" Perra JH. Grand Rounds, Louisville, KY; March 26, 2002. "Scoliosis and Kyphosis" and "Infection and Tumors". Perra JH. AAOS Review Course, Chicago, IL; March 19, 2002. "Spinal Sagittal Balance, Flatback Deformity and Flatback Syndrome", Perra JH. Blue River Trauma Society, Blue River, B.C., January 5-12, 2002. |
| 2001 | “Crankshaft Phenomenon in Congenital Scoliosis” Kesling KL; Lonstein JE; Denis F; Perra JH; Schwender JD; Transfeldt EE. Scoliosis Research Society – 36th Annual Meeting, Cleveland, Ohio; September 19-22, 2001. “Plain Radiographic Assessment of Pedicle Screw Placement: A Comparison with Computed Tomography” Exhibit #13. Choma TJ; Denis F; Lonstein JE; Perra JH; Schwender JD; Transfeldt EE; Wood KB. Scoliosis Research Society – 36th Annual Meeting, Cleveland, Ohio; September 19-22, 2001. "Spondylolysis and Spondylolisthesis" Perra JH. USA Cup Soccer Lecture, University of Minnesota. Minneapolis, MN; July 11, 2001. Faculty Thoracolumbar Course. 13th Annual Spine and Peripheral Nerve Workshop. Bethesda, MD; June 2001. "Spondylolysis and Spondylolisthesis" Perra JH. Minneapolis Spine Conference. Minneapolis, MN; May 19, 2001. "Experience with Revision Surgery for Failed Cage Fusions in the Lumbar Spine" Perra JH. Spanish Spine Congress 2001. Cordoba, Spain; March 31, 2001. "Autogenous Growth Factors in Lumbar Spinal Fusions" Perra JH. Interpore Cross Bone Graft Options Symposia. Flims, Switzerland; March 29-30, 2001. "Tumors and Infections of the Spine", and "Idiopathic Scoliosis and Scheuermann's Kyphosis" Perra JH. AAOS Annual Comprehensive Review Course for Orthopaedic Surgeons. Chicago, IL; March 27, 2001. "Revision Cage Fusions in the Lumbar Spine", Perra JH. Blue River Trauma Society. Blue River, B.C.; January 7-12, 2001. |
| 2000 | "Revision Surgery for Failed Cage Fusions in the Lumbar Spine" Perra JH. Inerpore Bone Graft Options Sympoisa. Vail, CO; December 2000. "Scoliosis and SI Joint Problems in Athletes" Perra JH. 7th Annual Sports Medicine Symposium, University of North Dakota. Grand Forks, ND; June 2, 2000. "Spondylolysis and Spondylolisthesis" Perra JH. 12th Annual Spine and Peripheral Nerve Workshop - Faculty Thoracolumbar Course. Bethesda, MD; June 2000. "Tumors and Infections of the Spine", and "Idiopathic Scoliosis and Scheuerman's Kyphosis". Perra JH. AAOS Annual Comprehensive Review Course for Orthopaedic Surgeons, Chicago, IL; May 2, 2000. “Autogenous Growth Factors in Lumbar Spine Fusions” Perra JH. Blue River Trauma Society. Blue River, British Columbia, Canada; January 11, 2000. |
| 1999 | “Autogenous Growth Factors in Lumbar Spine Fusions” Perra JH. Keystone Bone Symposium. CO; December 12, 1999. “Back Pain in Children - A Diagnostic Dilemma?” Perra JH. St. Paul Children's Conference for Primary Care Givers. St. Paul, MN; September 16, 1999. “Lumbosacral Fixation Options” Perra JH. 11th Annual Spine and Peripheral Nerve Workshop - Faculty Thoracolumbar Course. Bethesda, MD; June 8, 1999. “Cervical Spine/Disc Problems in the Athlete” Perra JH. Red River Sports Symposium. June 4, 1999. “Lumbar Disc Injuries in the Immature Athlete” Perra JH. Fairview Sports Medicine Conference. Minneapolis, MN; May 5, 1999. “Spine Surgery - When, What, and How Good” Perra JH. Impeaching IME's with Spinal Expertise. Minneapolis, MN; April 6, 1999. “Spondylolisthesis, Indications and Treatment” Perra JH. MBA/Interpore Cross Intl. Spine Conference, Minneapolis, MN; March 14, 1999. “Clinical Pathways” ICL Perra JH. AAOS, February 4, 1999. |
| 1998 | “Development of Orthopaedic Critical Pathways” ICL. Perra JH. AAOS 65th Annual Meeting, New Orleans, LA; March 19-23, 1998. “Thoracolumbar Hand-on Lab” Perra JH. Ski with the Spine Center, Whistler, British Columbia, Canada; January 18-23, 1998. “Patient Outcomes in Surgically Treated Adults with Isthmic Spondylolisthesis” Perra JH. Blue River Trauma Society, Lakewood, Colorado; January 1998. |
| 1997 | “Back Pain in Children”. Perra JH. Pediatric Spine Deformities, U of MN Resident Lecture. November 20, 1997. “Evaluation and Conservative Treatment of Patients with Failed Back Surgery”. Perra JH. Institute for Occupational Rehabilitation. October 28, 1997. “Cost-effectiveness Study for Low Back Pain”, Perra JH. Examining the State-of-the-Art of Cost-effectiveness: Orthopedic Models, September 16, 1997. “Management of Low Back Pain in the Outpatient/ER Setting”, Perra JH. Resident Lecture at Smiley's Clinic; July 8, 1997. “Burners and Stingers”, Perra JH. Red River Spine Symposium, June 6, 1997. |
| 1996 | "Spinal Infections - Evaluation, Treatment and Anticipated Functional Outcomes", Perra JH. 1996 Continuing Education Series, November 26, 1996. “Tumors and Infections of the Spine”, “Idiopathic Scoliosis and Scheuermann's Kyphosis” AAOS Review Course. Chicago, IL, March 13, 1996. |
| 1995 | "Surgical Management of Cervical Spine Injuries in the Athlete" Perra JH. Second Annual Sports Medicine Symposium - "Diagnosis and Treatment of Problems Related to the Shoulder and Neck", June 9, 1995. |
| 1994 | "Complications of Pedicle Screws", Lonstein JE; Denis F; Pinto MR; Perra JH; Smith MD; Winter RB. North American Spine Society - 9th Annual Meeting, Minneapolis, Minnesota; October 19-22, 1994. "A Biomechanical Study of the Accuracy of Halo Pin Insertional Devices", Smith MD; Johnson LJ; Perra JH; Rawlins BA. Scoliosis Research Society - 29th Annual Meeting, Portland, Oregon; Sept. 21-24, 1994. "Complications of Pedicle Screws", Lonstein JE; Denis F; Pinto MR; Perra JH; Smith MD; Winter RB. Scoliosis Research Society - 29th Annual Meeting, Portland, Oregon; Sept. 21-24, 1994. "Back Pain in Children". St. Paul Children's Hospital Medical Education Program, St. Paul, Minnesota; July 7, 1994. "Outcome Analysis of Long Fusions to the Sacrum", Perra, JH; Karpen, C; Johnson, LJ. Spine Across the Sea Meeting, Maui, Hawaii; April 18-22, 1994. "Halo Pin Insertion Devices: A Biomechanical Study of Their Torque and Accuracy", Smith MD; Johnson LA; Perra JH; Rawlins BA. 61st Annual Meeting of the American Academy of Orthopaedic Surgeons, New Orleans, LA, February 24-March 1, 1994. |
| 1993 | “Evaluation and Treatment of Back Pain in Children”. University of Wisconsin - Madison Medical School-Grand Rounds, Madison, Wisconsin, December 18, 1993. “Current Trends in the Evaluation, Treatment and Management of Those Persons with Thoracic Spine Pathology”. Fairview Riverside Medical Center Continuing Education Series, Minneapolis, Minnesota, November 23, 1993. “Orthopedics for Pediatricians”, “Spine-Back Pain in Children”. Gillette Children's Hospital, CME Course, St. Paul, Minnesota; November 5, 1993. “Results of Long Fusion to the Sacrum in Adult Deformity Patients without Prior Arthrodesis”. Scoliosis Research Society 1993 Annual Meeting, Dublin, Ireland; September 19-23, 1993. "Scheuermann's Kyphosis" Gillette Children's Hospital Morning Orthopedic Conference, St. Paul, Minnesota, July 28, 1993. "Use of Pedicle Screws in Long Instrumentation to the Sacrum". Pedicle Screw Instrumentation Course, (Sponsored by NASS and SRS) Poster Presentation, Orlando, Florida, May 14-16, 1993. |
| 1992 | "Results of Long Fusion to the Sacrum Using Cotrel-Dubousset Instrumentation in 107 Patients." Perra JH, Winter RB, Denis F, Lonstein JE. Presented Mid-America Orthopaedic Association Tenth Annual Meeting, Orlando, FL, April 1-5, 1992. "Compression Fractures Around the Area of Arthrodesis in Adults Over 65: A New Surgical Complication." Perra, JH, Winter RB, Lonstein JE, Denis F. Presented American Orthopaedic Federation of Spine Associations Seventh Annual Meeting, Washington, D.C., February 23, 1992. "Incidence of Vertebral Fractures Around the Area of Arthrodesis in Patients over 55 Years of Age", Presented Federation of Spine Surgeons - AAOS Spine Specialty Day 1992 "Results of Long Fusion to the Sacrum in 106 Patients using Cotrel-Dubousset Instrumentation", Presented International Congress Cotrel-Dubousset, Minneapolis 1991 and Mid-American Orthopedic Society, 1992 |
| 1991 | "Techniques of Long Fusion to the Sacrum with Cotrel-Dubousset Instrumentation", Presented Minnesota Orthopedic Society 1991 "Incidence of Vertebral Fractures Around the Area of Arthrodesis in Patients over 55 Years of Age", Presented Scoliosis Research Society Annual Meeting 1991. |
| 1995 | Lonstein JE, Denis F, Perra JH, Pinto MR, Smith MD: "Complications of Pedicle Screws" Ortho Trans 19(3):1995-96 |
| 2009 | Coe JD, Smith JS, Berven S, Arlet V, Donaldson W, Hanson D, Mudiyam R, Perra J, Owen J, Marks MC, Shaffrey CI. Complications of Spinal Fusion for Scheuermann Kyphosis: A Report of the Scoliosis Resaerch Society Morbidity and Mortality Committee. Spine 2009; 35(1): 99-103. Jackson, MacDougall, Perra, Denis, Dykes, Garvey, Lonstein, Mehbod, Pinto, Schwender. Adjacent Segment Degeneration Following Adult Lumbar Fusion: Incidence and Risk Factors for Subsequent Surgery with Ten-Year Minimum Follow-Up in 237 Patients. Submitted for Publication - The Spine Journal – submission date March 24, 2009. 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). 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. Ofiram E, Garvey TA, Schwender JD, Denis F, Perra JH, Transfeldt EE, Winter RB, Wroblewski JM. Cervical degenerative index: a new quantitative radiographic scoring system for cervical spondylosis with interobserver and intraobserver reliability testing. J Orthop Traumatol. 2009 Mar;10(1):21-6. Epub 2009 Feb 3. 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. |
| 2008 | 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. |
| 2005 | Sestero AM, Perra JH: "A Case Report of Severe Kyphoscoliosis and Autofusion of the Posterior Elements in Two Siblings with Central Core Disease". Spine 30(2): E50-5, 2005. |
| 2003 | Kesling 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 |
| L'Heureux Jr E, Perra JH, Pinto MR, Smith MD, Denis F, Lonstein JE: "Functional Outcome Analysis Including Preoperative and Postoperative SF-36 for Surgically Treated Adult Isthmic Spondylolisthesis". Spine 28(12): 1269-1274, 2003. DOCUMENT LINK |
| 2000 | Picada R, Winter RB, Lonstein JE, Denis F, Pinto MR, Smith MD, Perra JH: "Postoperative Deep Wound Infection in Adults after Posterior Lumbosacral Spine Fusion with Instrumentation: Incidence and Management". J Spinal Disord 13(1): 42-45, 2000. DOCUMENT LINK |
| 1999 | Lonstein JE, Denis F, Perra JH, Pinto MR, Smith MD, Winter RB: “Complications Associated with Pedicle Screws” J Bone Joint Surg 81-A (11): 1519-1528, 1999. DOCUMENT LINK |
| 1997 | Rizzi PE, Winter RB, Lonstein JE, Denis F, Perra JH: “Adult Spinal Deformity and Respiratory Failure” Spine 22:2517-2530, 1997. DOCUMENT LINK |
| 1996 | Perra JH, Winter RB: "Spinal infection: When to suspect it and how to manage it" Journal of Musculoskeletal Medicine, July 1996. Smith MD, Johnson LJ Phd, Perra JH, Rawlins BA: "A Biomechanical Study of Torque and Accuracy of Halo Pin Insertional Devices" Journal of Bone and Joint Surgery 78-A(2): 231-238, 1996. DOCUMENT LINK |
| 1994 | Perra JH: Techniques of Instrumentation in Long Fusions to the Sacrum. Orthopedic Clinics of North America. Vol. 25, No. 2, pp. 287-299, April 1994 |
| 2003 | Denis 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. |
| 2003 | Denis 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. |
| 1. | Perra JH: Iatrogenic Spinal Deformities. The Pediatric Spine - Principle and Practice, 2nd edition. Edited by Stuart L. Weinstein, MD. Lippincott Williams & Wilkins, Philadelphia, 2001. |
| 2010 | "Morbidity and Mortality Data Research is a Unique Contribution of the Membership of the SRS - Scoliosis Research Society." Perra JH, Boachie-Adjei O, Smith JS, Shaffrey CI, Newton PO, McCarthy RE, Doe JD, Donaldson III WF. AAOS 2010 Annual Meeting, New Orleans, Louisiana, March 9-13, 2010. "Scoliosis Research Society Morbidity and Mortality of Adult Scoliosis." Sansur CA, Reames D, Smith JS, Shaffrey CI, Alvin P, Polly Jr DW, Perra JH, Boachie-Adjei O. AAOS 2010 Annual Meeting, New Orleans, Louisiana, March 9-13, 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. "Morbidity and Mortality in the Surgical Treatment of 605 Pediatric Patients with Isthmic or Dysplastic Spondylolisthesis: A Report from the Scoliosis Research Society Morbidity and Mortality Committee." (E-Poster) Fu K (Phd), Smith J, Shaffrey CI, Berven S, Hart RA, Zeller R, Donaldson W, Polly DW, Perra JH, Boachie-Adjei B. 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. “Pullout Strength and Screw Removal Safety of Fenestrated Screws with Cement Augmentation.” Chaudhari R, Zheng X, Wu C, Mehbod AA, Transfeldt EE, Perra JH. (E-Poster) IMAST, Vienna, Austria, July 14-19, 2009. “Complications and Feasibility of Screw and Rod Fixation in the Pediatric Cervical Spine.” Carmouche JJ, Lonstein JE, Winter RB, Schwender JD, and Perra JH. (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.” Zheng X, Chaudhari R, Wu C, Mehbod AA, Transfeldt EE, Perra JH. (E-Poster) IMAST, Vienna, Austria, July 14-19, 2009. “Biomechanical Evaluation of a Novel Expandable Meshed Bag for Lumbar Interbody Fusion.” Chaudhari R, Zheng X, Wu C, Mehbod AA, Transfeldt EE, Perra JH. (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.” Mac-Thiong JM, Transfeldt EE, Mehbod AA, Perra JH, Denis F, Garvey TA, Lonstein JE, Wu C, Dorman CW, Winter RB. (E-Poster) IMAST, Vienna, Austria, July 14-19, 2009. "Management of Infected Instrumented Deep Space Back Wounds With the Vacuum Assisted Closure Device.” Dressel T, Denis F, Dykes DC, Garvey TA, Lonstein JE, Mehbod AA, Mullaney KJ, Perra JH, Pinto MR, Schwender JD, and Transfeldt EE. (E-Poster) IMAST, Vienna, Austria, July 14-19, 2009. “Biomechanical Evaluation of a Novel Expandable Meshed Bag for Lumbar Interbody Fusion.” Wu C, Zheng X, Chaudhari R, Mehbod AA, Transfeldt EE, Perra JH. (E-Poster) IMAST, Vienna, Austria, July 14-19, 2009. |
| 2008 | Anderson, K.M., Hari, P.K., Gadani, S.D., Hanson, AM., Gustafson, C.E., Pinto, M.R., Dykes, D.C., Perra, J.H., Stone, L.S., and Kehl, L.J.: "Evaluation of objective measures of pain and function for translational pain research in lumbar degenerative disc disease." 12th World Congress on Pain meeting. Glasgow, Scotland. 2008. |
| 2004 | "Ureteral Injury Following Anterior Lumbar Fusion: Risk Factors and Early Diagnosis", poster presented at the Scoliosis Research Society, 39th Annual Meeting, Buenos Aires, Argentina, September 6-9, 2004. "Prospective Assessment of Cervical Fusion Status: Flexion-Extension Radiographs VS CT Scans", poster presented at the 11th International Meeting on Advanced Spine Techniques (IMAST), Bermuda, July 1-3, 2004. "Posterior Augmentation of Anterior Lumbar Interbody Fusion: Minimal Fixation Versus Pedicle Screws", poster presented at Spine Society of Europe, Porto, Portugal, May 30-June 5, 2004. |
| 2003 | "Spondylotic Disease of Cervical Spine Involving Three or More Levels: Does Concomitant Posterior Approach Increase Fusion Rates?" Poster Presentation. Scoliosis Research Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. "Posterior Augmentation of Anterior Lumbar Interbody Fusion: Minimal Fixation versus Pedicle Screws". Posterior Presentation. Scoliosis Reseach Society 38th Annual Meeting, Quebec City, Canada, September 10-13, 2003. |
| 2002 | "C2 Plumb Line Correlates with the Standard Radiographic Sagittal Balance Measure", poster presented at Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. "Spondylotic Disease of Cervical Spine Involving Three or More Levels: Addition of Posterior Approach Increase Fusion Rates, but is it Required?", Poster presented at Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. "Cervical Degeneration and Neck Pain after Long Fusions to the Sacrum: Minimum 5-Year Follow-up", Poster presented at Cervical Spine Research Society 13th Annual Meeting, Miami Beach, Florida, December 5-7, 2002. |