A New Method for Calculating the Exact Angle Required for Spinal Osteotomy

Song, Kai; Zheng, Guoyan; Zhang, Yonggang; Zhang, Xuesong; Mao, Keya; Wang, Yan

doi:10.1097/brs.0b013e31828b3299

Cited by 52 publications

(71 citation statements)

References 15 publications

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“…[16] Smith-Peterson osteotomy(SPO)[17], pedicle subtraction osteotomy(PSO),[18] vertebral column resection(VCR)[19] have been applied for correcting thoracolumbar kyphosis. However, SPO, an opening wedge osteotomy, is mainly suitable for treatment of flexible kyphosis deformities[20] and it is not frequently presented with the rigid deformity such as AS.…”

Section: Discussionmentioning

confidence: 99%

Y Shape Osteotomy in Ankylosing Spondylitis, a Prospective Case Series with Minimum 2 Year Follow-Up

Liu

et al. 2016

PLoS ONE

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The aim of the study is to evaluate the efficacy of a spinal osteotomy technique, Y shape osteotomy, for correcting kyphosis in AS patients planned preoperatively with computer software-assistance. 36 consecutive AS patients with thoracolumbar kyphosis were treated with one-stage posterior Y shape osteotomy and preoperative surgical planning was done with the aid of the Surgimap Spine. Radiological parameters of simulation and immediate postoperation were documented. Clinical and radiological results were evaluated in the preoperative, the early postoperative periods and during the last follow-up. The lumbar lordosis was found as 40.7 ± 4.1 degrees in the surgical planning and 49.7 ± 3.9 degrees postoperatively (p<0.01). PI-LL was 3.8± 0.9°in the simulation procedure and 6.6± 1.5°postoperatively (p<0.01). At the final follow-up, Global sagittal balance was restored and Both Oswestry Disability Index and Scoliosis Research Society scores improved largely. In conclusion, Y shape osteotomy is a safe and effective treatment option for AS patients with kyphosis deformity.

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Section: Discussionmentioning

confidence: 99%

Y Shape Osteotomy in Ankylosing Spondylitis, a Prospective Case Series with Minimum 2 Year Follow-Up

Liu

et al. 2016

PLoS ONE

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“…In a previous study, Song and Zheng et al [7] chose the hilus pulmonis plumbline to reestablish the harmonious pelvic-spinal alignment by one-level PSO, and obtained good clinical results. In this study we mimicked the method of Song and Zheng et al [7] , we too utilized the hilus pulmonis Copyright © 2016 Wolters Kluwer Health, Inc.…”

Section: Corrective Planningmentioning

confidence: 97%

“…In this study we mimicked the method of Song and Zheng et al [7] , we too utilized the hilus pulmonis Copyright © 2016 Wolters Kluwer Health, Inc. Unauthorized reproduction of this article is prohibited.…”

Section: Corrective Planningmentioning

confidence: 99%

“…Prior studies by Song and Zheng et al [7] have detailed the methods to calculate the exact required angle of a one-level PSO. However, a method for calculating a two-level PSO and properly distributing these angles has yet to be described.…”

Section: Osteotomy Design Of Two-level Psomentioning

confidence: 99%

“…Previous clinical research suggests, in preoperative planning, the hilus pulmonis could be considered as the center of gravity of the patient's trunk for AS kyphosis. [6][7] . In the aforementioned studies, the ideal postoperative pelvic tilt (PT) was calculated according to preoperative pelvic incidence (PI).…”

Section: Introductionmentioning

confidence: 98%

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