{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T22:09:11Z","timestamp":1792620551350,"version":"4.5.0"},"reference-count":36,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,8,10]],"date-time":"2022-08-10T00:00:00Z","timestamp":1660089600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81972128"],"award-info":[{"award-number":["81972128"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100003359","name":"Scoliosis Research Society","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100003359","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>According to the literature, there are no clinical reports documenting the use of the satellite rod technique in the treatment of ankylosing spondylitis kyphosis. The purpose of this retrospective study was to compare the clinical outcome of patients with ankylosing spondylitis kyphosis who adopted satellite rods <jats:italic>versus<\/jats:italic> those who did not.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients with ankylosing spondylitis kyphosis who underwent one or two\u2010level pedicle subtraction osteotomy (PSO) were reviewed, and total of 119 patients (112 males and seven females, average age 39.89\u2009\u00b1\u20096.61\u2009years) were eligible and included in this present study. Anterior\u2013posterior and lateral full\u2010length spine X\u2010ray films were performed preoperatively and at the two\u2010year follow\u2010up visit. Global kyphosis (GK), lumbar lordosis (LL), thoracolumbar kyphosis (TLK), thoracic kyphosis (TK), and osteotomy angle (OA) were measured. The complications of every group of patients were collected. Pre\u2010 and postoperative health\u2010related quality of life instruments, including the Bath Ankylosing\u2002Spondylitis Functional\u2002Index (Basfi) and Scoliosis Research Society outcomes instrument\u201022 (SRS\u201022), were recorded. The patients were divided into three groups based on features of their osteotomy including PSO levels and whether the satellite rod technique was applied. Patients who underwent one\u2010level PSO without the satellite rod technique were categorized in the one\u2010level group. Patients who underwent one\u2010level PSO with the satellite rod technique were classified in the satellite rod group. Patients who underwent two\u2010level PSO without the satellite rod technique were included in the two\u2010level group. The paired sample <jats:italic>t<\/jats:italic> test was used to compare pre\u2010 and postoperative parameters. One\u2010way ANOVA was performed for multiple group comparisons.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The average follow\u2010up time is 29.31\u2009\u00b1\u20093.66\u00a0months. The patients' GK were significantly improved from 46.84\u2009\u00b1\u200920.37 degree to 3.31\u2009\u00b1\u200915.09 degree. OS achieved through each osteotomy segment of one\u2010level group (39.78\u2009\u00b1\u200912.29 degree) and satellite rods group (42.23\u2009\u00b1\u20099.82 degree), was larger than that of two\u2010level group (34.73\u2009\u00b1\u20097.54 and 28.85\u2009\u00b1\u20097.26 degree). There was no significant difference between the one\u2010level group and the satellite rod group in achieving the OS. Thirteen patients experienced different complications (10.92%). Three patients experienced rod fracture in the one\u2010level group. There was no rod fracture or screw failure in the satellite rod group or the two\u2010level group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The satellite rod technique is also recommended for patients who undergo PSO osteotomy to correct ankylosing spondylitis kyphosis deformities.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.13427","type":"journal-article","created":{"date-parts":[[2022,8,10]],"date-time":"2022-08-10T09:29:59Z","timestamp":1660123799000},"page":"2180-2187","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Clinical Results of Utilizing the Satellite Rod Technique in Treating Ankylosing Spondylitis Kyphosis"],"prefix":"10.1111","volume":"14","author":[{"given":"Chao","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Orthopaedics The Second Affiliated Hospital Zhejiang University School of Medicine  Hangzhou 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