"We aren’t the practice for surgeons who focus exclusively on operating.  We believe strongly that research and education add value to our care."


—Dr. Timothy Garvey

Findings

The following findings are the results of research activities conducted by the Twin Cities Spine Center and their physicians. For further listings of publications by the physicians, please refer to the individual physicians' curriculum vitae (CV), which can be accessed from the physicians page.


PAIN PATTERN IN PATIENTS WITH SCOLIOSIS AND SYRINGOMYELIA

Authors: Remzi A. Özerdemoglu, MD; Ensor E. Transfeldt, MD; Francis Denis, MD, Minneapolis, MN

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A CLINICAL CLASSIFICATION OF SURGICAL CASES OF AIS

Authors: ohn E. Lonstein, MD; Francis Denis, MD; Joseph H. Perra, MD; Robert B. Winter, MD

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CORONAL PLANE IMBALANCE IN AIS: THE ROLE OF THE LUMBOSACRAL HEMICURVE

Authors: James D. Schwender, MD Francis Denis, MD

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FUNCTIONAL OUTCOME ANALYSIS FOR SURGICALLY TREATED ADULT ISTHMIC SPONDYLOLISTHESIS

Authors: E. Alexander L’Heureux, JR., MD Joseph H. Perra, MD Manuel R. Pinto, MD Michael D. Smith, MD Francis Denis, MD John E. Lonstein, MD

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OUTCOMES OF MULTILEVEL (3 +) FUSION FOR LUMBAR DEGENERATIVE DISEASE

Authors: Carlos Macaneiro, MD; Manuel R. Pinto, MD; Francis Denis, MD; John E. Lonstein, MD; Robert B. Winter, MD

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REMOVAL OF LUMBAR INSTRUMENTATION FOR RECURRENT LOW BACK PAIN IN THE ABSENCE OF PSEUDOARTHROSIS

Authors: Clayton Bressan, MD; Manual R. Pinto, MD; Lisa Butler, RN

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REVISION LUMBAR ARTHRODESIS FOR CYLINDRICAL CAGE PSEUDOARTHROSIS: PERIOPERATIVE COMPLICATIONS

Authors: James D. Schwender, Francis Denis, Timothy A. Garvey, John E. Lonstein, James W. Ogilvie, Joseph H. Perra, Manuel R. Pinto, Ensor E. Transfeldt, Kirkham B. Wood

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CRANKSHAFT PHENOMENON IN CONGENITAL SCOLIOSIS

Authors: Kimberly L. Kesling; MD; John E. Lonstein, MD; Francis Denis, MD; Joseph H. Perra, MD; James D. Schwender, MD; Ensor E. Transfeldt, MD

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MEASUREMENT VARIABILITY IN THORACIC KYPHOSIS

Authors: Francis Denis, MD; Norihiro Takeuchi, MD; Joseph Perra, MD; James Schwender, MD; Kirkham B. Wood, MD; Jill M. Wroblewski, MS

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PLAIN RADIOGRAPHIC ASSESSMENT OF PEDICLE SCREW PLACEMENT: A COMPARISON WITH COMPUTED TOMOGRAPHY

Authors: Theodore J. Choma, MD; MD Francis Denis, MD; Timothy A. Garvey, MD; John E. Lonstein; Joseph H. Perra, MD; James D. Schwender, MD; Ensor E. Transfeldt, MD; William Mullin, MD

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CHANGES IN SPINAL AND PELVIC SAGITTAL PARAMETERS AFTER HIGH-GRADE ISTHMIC SPONDYLOLISTHESIS SURGERY

Authors: Pierre Roussouly, MD; Ensor E. Transfeldt, MD; Eric Berthonnaud, PhD; James D. Schwender, MD; Joannes Dimnet, PhD

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SAGITTAL MORPHOLOGY AND EQUILIBRIUM OF PELVIS AND SPINE IN NORMALS

Authors: Pierre Roussouly, MD; Ensor E. Transfeldt, MD; James D. Schwender, MD; Eric Bethonnaud, PhD; Johannes Dimnet, MD

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SUCCESSFUL SURGERY IN SEVERE KYPHOSCOLIOSIS WITH FIRST REPORT OF AUTOFUSION IN TWO SIBLINGS

Authors: Anthony M. Sestero, MD, Joseph H. Perra, MD

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NEUROLOGICAL DEFICITS IN CONGENITAL KYPHOSIS

Authors: Alexandre Y Mushkin, MD; Robert B. Winter, MD; John E. Lonstein, MD; Francis Denis, MD

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A NOVEL SPINE MODEL AS PRE-OPERATIVE TOOL IN DIFFICULT RECONSTRUCTIVE SURGICAL CASES

Authors: John E. Lonstein, MD; James W. Ogilvie, MD

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SPONDYLOTIC DISEASE OF CERVICAL SPINE INVOLVING 3 OR MORE LEVELS:IS ADDED POSTERIOR APPROACH NEEDED?

Authors: Amir Mehbod, MD; Timothy A. Garvey, MD; Joseph H. Perra, MD; Kirkham B. Wood, MD; James D. Schwender, MD; Francis Denis, MD; Ensor E. Transfeldt, MD; Jill M. Wroblewski, MS

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CORONAL AND SAGITTAL BALANCE FOLLOWING LONG-FUSION TO THE SACRUM:RADIOGRAPHIC & PATIENT PERSPECTIVES

Authors: S. Elizabeth Ames, MD; Ensor E. Transfeldt, MD; Francis Denis, MD: John E. Lonstein, MD; Joseph H. Perra, MD; James D. Schwender, MD; Timothy A. Garvey, MD; James W. Ogilvie, MD; Jill M. Wroblewski, MS

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C2 PLUMB LINE CORRELATES WITH THE STANDARD RADIOGRAPHIC SAGITTAL BALANCE MEASURE

Authors: S. Elizabeth Ames, MD; Michael J. Phipps, MD; James D. Schwender, MD; Joseph H. Perra, MD; John E. Lonstein, MD; Ensor E. Transfeldt, MD; Timothy A. Garvey, MD; Jill M. Wroblewski, MS

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CERVICAL DEGENERATION AND NECK PAIN AFTER LONG FUSION TO THE SACRUM: MINIMUM 5-YEAR FOLLOW-UP

Authors: Michael J. Phipps, Timothy A. Garvey, James D. Schwender, Joseph H. Perra, MD; Ensor E. Transfeldt, MD; Jill M. Wroblewski, MS

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PSEUDARTHROSIS AND INSTRUMENTATION COMPLICATIONS AT LONG-TERM FOLLOW-UP OF LONG FUSIONS TO SACRUM

Authors: Joseph K. Weistroffer, MD; Joseph H. Perra, MD; John E. Lonstein, MD; James D. Schwender, MD; Timothy A. Garvey, MD; Ensor E. Transfeldt, MD; James W. Ogilvie, MD; Jill M. Wroblewski, MS

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SURGICAL TREATMENT OF SPINAL DEFORMITIES IN HURLER SYNDROME

Authors: James W. Ogilvie, MD; Kazunobu Kida, MD; James D. Schwender, MD; Joseph H. Perra, MD

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DOES HIGH BLOOD LOSS DURING SURGERY FOR CEREBRAL PALSY SCOLIOSIS AFFECT COMPLICATION RATE?

Authors: John E. Lonstein, MD; Steven E. Koop, MD; Thomas Novachek, MD

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IS SPINE SURGERY IN PATIENTS WITH CEREBRAL PALSY REGARDED AS WORTHWHILE?

Authors: John E. Lonstein, MD; Steven E. Koop, MD; Thomas Novachek, MD

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ANTERIOR FUSION FOR THORACOLUMBAR ADOLESCENT IDIOPATHIC SCOLIOSIS WITH AUTOGENOUS RIB GRAFT

Authors: James W. Ogilvie, MD; Amir Mehbod, MD

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A RETROSPECTIVE REVIEW OF EPIDURAL MYOGENIC MEP (EPID M-MEP) AND SSEP MONITORING IN 228 PATIENTS

Authors: Stan Skinner, MD; Ensor E. Transfeldt, MD; Joseph H. Perra, MD

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TREATMENT OF CAGE PSEUDARTHROSIS WITH POSTERIOR VS AP INSTRUMENTED SPINAL ARTHRODESIS

Authors: James D. Schwender, M.D., Francis Denis, M.D., Timothy A. Garvey, M.D., John E. Lonstein, M.D., James W. Ogilvie, M.D., Joseph H. Perra, M.D., Manuel R. Pinto, M.D., Ensor E. Transfeldt, M.D., Kirkham B. Wood, M.D.

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PROSPECTIVE STUDY OF THE CANTILEVER TRANSFORAMINAL LUMBAR INTERBODY FUSION (C-TLIF)

Authors: James D. Schwender, MD and James W. Ogilvie, MD

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MINIMAL INVASIVE CANTILEVER TRANSFORAMINAL LUMBAR INTERBODY FUSION (C-TLIF): PRELIMINARY FINDINGS

Authors: James D. Schwender, MD and James W. Ogilvie, MD

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