Radiographic predictors of outcome after long fusion to L5 in adult scoliosis

Journal of Spinal Disorders & Techniques
Karen M BrownDaniel E Gelb

Abstract

Radiographic factors that correlate with outcome following long posterior fusion to L5 for adult scoliosis were investigated. Measurement of thoracic, lumbar, and fractional lumbosacral curves, L5 obliquity, lumbar and L5-S1 lordosis, coronal balance, sagittal balance, and L5-S1 disc height were performed on preoperative, postoperative, and follow-up 36-in posteroanterior/lateral radiographs. Of 16 patients, 14 were female (88%) and 2 male (12%). Average follow-up was 32 months (8-78 months). Scoliotic curves demonstrated stable corrections; however, lumbar and L5-S1 lordosis decreased and sagittal decompensation worsened. Ten patients (62%) had no evidence of transitional degeneration. Six patients (38%) had radiographic evidence of L5-S1 degeneration, and three (19%) underwent revision. Patients with good preoperative sagittal balance, preserved lumbar lordosis, good postoperative fractional curve correction, and L5-S1 disc height preservation are most likely to benefit from posterior fusion to L5, avoiding sacral fusion, for adult scoliosis.

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Citations

Jan 24, 2009·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·Kyu-Jung ChoMan-Hee Won
Sep 17, 2008·Spine·Glenn R Buttermann, Brian P Beaubien
Mar 3, 2010·Neurosurgical Focus·Sanjay YadlaJames S Harrop
Apr 29, 2015·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·Heiko KollerTobias L Schulte
Dec 3, 2015·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·Silviu SabouSaeed Mohammad
Jun 9, 2007·Neurosurgery Clinics of North America·Ganesh SwamyDavid S Bradford
Jun 9, 2007·Neurosurgery Clinics of North America·Shane Burch
Sep 30, 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·Alan H DanielsInternational Spine Study Group
Aug 25, 2006·The Journal of Bone and Joint Surgery. American Volume·Neil A Manson, Frank M Phillips

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