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Justin K. Scheer, Justin S. Smith, Aaron J. Clark, Virginie Lafage, Han Jo Kim, John D. Rolston, Robert Eastlack, Robert A. Hart, Themistocles S. Protopsaltis, Michael P. Kelly, Khaled Kebaish, Munish Gupta, Eric Klineberg, Richard Hostin, Christopher I. Shaffrey, Frank Schwab, Christopher P. Ames and the International Spine Study Group

I ndividuals who have adult spinal deformity (ASD) typically experience pain and disability. 2 , 14 , 26 , 28 , 29 The pain typically affects the back, legs, or both, and its etiology is multifactorial. 26 , 28 , 29 Over the last decade, most research into ASD has focused on patient-reported outcomes and on general measures of health status and function, such as the Oswestry Disability Index (ODI), the 36-Item Short Form Health Survey (SF-36), and the Scoliosis Research Society 22-question Questionnaire (SRS-22). However, pain is the primary concern for

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Taemin Oh, Justin K. Scheer, Robert Eastlack, Justin S. Smith, Virginie Lafage, Themistocles S. Protopsaltis, Eric Klineberg, Peter G. Passias, Vedat Deviren, Richard Hostin, Munish Gupta, Shay Bess, Frank Schwab, Christopher I. Shaffrey and Christopher P. Ames

A dult spinal deformity (ASD) is a pathological condition defined as spinal malalignment in the axial, coronal, or sagittal plane and is derivative of congenital, iatrogenic, degenerative, or idiopathic etiology. 30 The restoration of sagittal alignment, as established by the sagittal vertical axis (SVA; target < 5 cm) and pelvic tilt (PT; target < 20°) on sagittal radiography, is important in surgical deformity correction. 6 , 21 , 22 Although coronal plane correction also has clinical relevance, sagittal corrections appear to have greater importance, 5

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Background/Introduction: Pseudarthrosis after adult spinal deformity (ASD) surgery may result in instrumentation failure and need for revision. However, the correlation between fusion grade with or without rod fractures and HRQoL is not known. We assessed the association between HRQoL, fusion grade, and rod fracture with and without revision surgery. Materials/Methods: A prospective, multi-center ASD database with 2 year followup data was reviewed. Fusion grade was determined on plain films using published criteria; Grade III or IV at one or more segments was

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, MD, PhD 3 2017 42 3 Peripheral Nerve A10 A11 Copyright held by the American Association of Neurological Surgeons. You may not sell, republish, or systematically distribute any published materials without written permission from JNSPG. 2017 Introduction: The purpose of this study is to evaluate the efficacy and safety of cervical total disc replacement (TDR) for symptomatic adjacent segment degeneration (ASD) with previous anterior cervical discectomy and fusion (ACDF) was done, compared to ACDF in the treatment of cervical ASD