Asymmetrical pedicle subtraction osteotomy for rigid degenerative lumbar kyphoscoliosis

Spine
Tomoaki ToyoneYuichi Wada

Abstract

A prospectively study. Our objective was to clarify the safety and efficacy of asymmetrical pedicle subtraction osteotomy (PSO) in the treatment of severe adult lumbar deformities prospectively. Vertebral wedge osteotomy provides good correction of kyphosis but has rarely been applied to degenerative lumbar kyphoscoliosis. A total of 14 patients who had undergone corrective osteotomy were enrolled. The average age at PSO was 67 years (range, 45-76 yr). The minimum follow-up was 2 years. Patient questionnaires were administered prospectively. Radiographical parameters including sagittal and coronal balance were analyzed. Average operative time was 310 minutes (range, 254-375 min). Average blood loss was 1090 mL (range, 700-2900 mL).Mean preoperative lumbar lordosis improved from -3° to 42° at the final follow-up, and sagittal balance improved from 12 to 3 cm, respectively. Mean lumbar scoliosis improved from 40° to 12°, and coronal offset improved from 3 to 1 cm, respectively. There was also statistically significant improvement from preoperative to final evaluation in all clinical domains. There were 4 complications: 1 dural tear, 2 hook dislodgements at the cephalad side requiring revision instrumentation, and 1 rod breakage n...Continue Reading

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Citations

Nov 14, 2014·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·Riccardo CecchinatoClaudio Lamartina
Aug 10, 2016·The Spine Journal : Official Journal of the North American Spine Society·Felisa Sánchez-MariscalEnrique Izquierdo
Jul 6, 2018·The Journal of Bone and Joint Surgery. American Volume·S RajasekaranAjoy Prasad Shetty
Mar 3, 2018·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·Andrea ZaniratoPedro Berjano
Dec 9, 2016·Spine Deformity·Daniel M SciubbaUNKNOWN International Spine Study Group (ISSG)
Apr 25, 2017·Clinical Spine Surgery : a Spine Publication·Dong-Gune ChangEun-Whan Lee
Jul 23, 2021·Geriatric Orthopaedic Surgery & Rehabilitation·Rile GeZhongqiang Chen
Aug 21, 2021·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·Quarto EFormica M

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