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Posterior-Only Approach with Pedicle Screws for the Correction of Scheuermann’s Kyphosis
Adem Cobden,Akif Albayrak,Yalkin Camurcu,Hakan Sofu,Temel Tacal,Mehmet Akif Kaygusuz 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.4
Study Design: Retrospective study (level of evidence: level 3). Purpose: The purpose of this study was to evaluate the clinical and radiological results of the posterior-only approach with pedicle screws for the treatment of Scheuermann’s kyphosis (SK). Overview of Literature: The correction of SK with instrumentation can be performed using posterior-only or combined anteriorposterior procedures. With the use of all-pedicle screw constructs in spine surgery, the posterior-only approach has become a popular option for the definitive treatment of SK. In a nationwide study involving 2,796 patients, a trend toward posterior-only fusion with lower complication rates was reported. Methods: We retrospectively reviewed the data of patients who underwent posterior-only correction for SK between January 2005 and May 2013. Patients with a definite diagnosis of SK who fulfilled the minimum follow-up criterion of 24 months were included. The thoracic kyphosis (T5–T12), lumbar lordosis (L1–S1), and thoracolumbar junction (T10–L2) angles were measured from preoperative, postoperative, and last control radiographs. Sagittal balance, thoracic length, thoracic diameter, Voutsinas index and the sacral slope, pelvic tilt, proximal junction kyphosis, and distal junction kyphosis angles were also measured. Results: Forty-five patients underwent surgery for the treatment of SK between 2005 and 2013. After applying the exclusion criteria, 20 patients (18 males and 2 females) with a mean age of 19 years were included. The mean thoracic kyphosis angle was 79.8 degrees preoperatively, 44.6 degrees postoperatively, and 44.9 degrees at the last control. There were statistically significant differences between preoperative and postoperative values in the thoracic kyphosis and lumbar lordosis angles, thoracic length, thoracic diameter, and Voutsinas index (p <0.05). Conclusions: The clinical and radiological results of the current study suggest that posterior-only fusion is an efficient technique for the treatment of SK.
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