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31 August 2019 : Clinical Research

[Retracted] Modified Closing-Opening Wedge Osteotomy to Correct Kyphosis in Ankylosing Spondylitis

Chaoshuai Feng1ABCEF, Huiren Tao2ABE*, Kai Yang1BE, Jiawei Xu1CF, Chunguang Duan2CD, Weizhou Yang3BD, Huan Li4CD, Haopeng Li1AEG

DOI: 10.12659/MSM.915836

Med Sci Monit 2019; 25:6532-6538

An Editorial decision has been made to retract the manuscript, Feng C, et al. Modified Closing-Opening Wedge Osteotomy to Correct Kyphosis in Ankylosing Spondylitis. Med Sci Monit. 2019; 25:6532-6538. It has come to our attention that the method of modified closing opening wedge osteotomy is not an original procedure developed by the authors, but has previously been described by Boissière L, et al. Spine J. 2015;15(12):2574-82, and Gao R, et al. Spine J. 2015;15(9):2009-15, and Boachie-Adjei O, et al. Spine (Phila Pa 1976). 2006;31(4):485-92.

Abstract

BACKGROUND: The aim of this study was to analyze the clinical and radiological outcomes of modified closing-opening wedge osteotomy (mCOWO) for correcting kyphosis in ankylosing spondylitis (AS) patients.

MATERIAL AND METHODS: From April 2012 to April 2017, records of consecutive patients who underwent mCOWO were reviewed. The clinical and radiological outcomes were analyzed preoperatively, postoperatively, and at the most recent follow-up.

RESULTS: Eleven AS patients underwent mCOWO, with a mean follow-up of 19.4 months (range, 12–45 months). The average sagittal vertical axis (SVA) was corrected from 191.9 mm preoperatively to 75.9 mm postoperatively (P<0.05) and 78.9 mm at the most recent follow-up (P<0.05). The average correction angles at the osteotomy site were 44.5° postoperatively and 45.0° at the most recent follow-up (P>0.05). Sagittal translation (ST) occurred in 2 patients, and 5 mm was the maximum. There was no neurologic damage. Solid fusion was observed at the most recent follow-up in all patients.

CONCLUSIONS: Modified closing-opening wedge osteotomy (mCOWO) is an effective technique for correcting kyphosis in patients with AS.

Keywords: Kyphosis, Osteotomy, Spondylitis, Ankylosing

Retraction note

Med Sci Monit 2020; 26:e923318     https://medscimonit.com/abstract/index/idArt/923318
 
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