Cervical compensatory alignment changes following correction of adult thoracic deformity: a multicenter experience in 57 patients with a 2-year follow-up

Journal of Neurosurgery. Spine
Taemin OhInternational Spine Study Group

Abstract

OBJECT Alignment changes in the cervical spine that occur following surgical correction for thoracic deformity remain poorly understood. The purpose of this study was to evaluate such changes in a cohort of adults with thoracic deformity treated surgically. METHODS The authors conducted a multicenter retrospective analysis of consecutive patients with thoracic deformity. Inclusion criteria for this study were as follows: corrective osteotomy for thoracic deformity, upper-most instrumented vertebra (UIV) between T-1 and T-4, lower-most instrumented vertebra (LIV) at or above L-5 (LIV ≥ L-5) or at the ilium (LIV-ilium), and a minimum radiographic follow-up of 2 years. Sagittal radiographic parameters were assessed preoperatively as well as at 3 months and 2 years postoperatively, including the C-7 sagittal vertical axis (SVA), C2-7 cervical lordosis (CL), C2-7 SVA, T-1 slope (T1S), T1S minus CL (T1S-CL), T2-12 thoracic kyphosis (TK), apical TK, lumbar lordosis (LL), pelvic incidence (PI), PI-LL, pelvic tilt (PT), and sacral slope (SS). RESULTS Fifty-seven patients with a mean age of 49.1 ± 14.6 years met the study inclusion criteria. The preoperative prevalence of increased CL (CL > 15°) was 48.9%. Both 3-month and 2-year apical ...Continue Reading

References

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Citations

Apr 15, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Cyrus M JalaiUNKNOWN International Spine Study Group (ISSG)
May 7, 2016·Journal of Neurosurgery. Spine·Christopher C GillisVincent C Traynelis
Dec 29, 2015·Clinical Spine Surgery : a Spine Publication·Shay BessUNKNOWN International Spine Study Group
Apr 23, 2016·Spine·Peter G PassiasUNKNOWN International Spine Study Group (ISSG)
Feb 25, 2020·Journal of Orthopaedic Surgery·Moon Soo ParkHo Guen Chang
Dec 1, 2017·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Subaraman RamchandranUNKNOWN International Spine Study Group
Nov 7, 2019·Spine·Brian J NeumanUNKNOWN International Spine Study Group (ISSG)
Dec 1, 2015·Neurosurgery·Subaraman RamchandranUNKNOWN AOSpine North America, International Spine Study Group
Oct 7, 2020·Neurospine·Darryl Lau, Christopher P Ames
Jun 14, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Samantha R HornUNKNOWN International Spine Study Group (ISSG)

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