{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T13:57:12Z","timestamp":1793195832195,"version":"4.5.0"},"reference-count":28,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T00:00:00Z","timestamp":1607904000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To introduce the satellite rod technique utilized in severe spinal deformity after three\u2010column osteotomy (3CO) and to evaluate the radiographic and clinical outcomes at 2\u2010year follow\u2010up, further discussing its utilization in this particular cohort.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 32 (19 females and 13 males) with an average age of 32.9 \u00b1\u200918.3\u2009years from December 2012 to March 2016 were retrospectively reviewed. Radiographic measurements were performed on standing full\u2010spine anteroposterior and lateral radiographs preoperatively, postoperatively, and at last follow\u2010up. The coronal parameters including Cobb angle and distance between C<jats:sub>7<\/jats:sub> plumb line and center sacral vertical line (C7PL\u2010CSVL), as well as the sagittal parameters including global kyphosis (GK) and sagittal vertical axis (SVA) were measured at three time points. The Scoliosis Research Society\u201022 questionnaire (SRS\u201022) was fulfilled preoperatively and at each follow\u2010up. Paired <jats:italic>t<\/jats:italic> test would be used to determine whether there was a significant difference between time points.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 32 patients were enrolled in this study with mean age of 32.9 \u00b1\u200918.3 (range, 12 to 66) years old. Twenty patients underwent pedicle subluxation osteotomy (PSO) and 12 patients underwent vertebral column resection (VCR). The pathogenesis of this cohort included neuromuscular scoliosis (11 cases), congenital kyphoscoliosis (seven with hemivertebrae and five with segmentation failure), degenerative spinal deformity (five cases), and thoracolumbar tuberculosis with angular kyphosis (four cases). The post\u2010operative Cobb angle decreased significantly from 49.1\u00b0 \u00b1\u200928.0\u00b0 to 19.0\u00b0 \u00b1\u200916.7\u00b0 with a correction rate of 65.2% \u00b1\u200921.8%. At final follow\u2010up, the average Cobb angle was 19.4\u00b0 \u00b1\u200916.9\u00b0 and no obvious loss of correction was found. The preoperative, postoperative, and last follow\u2010up C7PL\u2010CSVL were 23.9 \u00b1\u200914.5\u2009mm, 15.7 \u00b1\u200911.1\u2009mm, and 12.1 \u00b1\u20097.4\u2009mm, respectively. Significant postoperative improvement was attained while there was no change observed at last follow\u2010up. Postoperative GK significantly improved from 73.8\u00b0 \u00b1\u200928.1\u00b0 to 23.2\u00b0 \u00b1\u200911.7\u00b0 with the correction rate of 66.0% \u00b1\u200917.9%. SVA decreased significantly from 42.9 \u00b1\u200933.9\u2009mm to 24.1 \u00b1\u200921.1\u2009mm. The average GK and SVA at final follow\u2010up were 22.7\u00b0 \u00b1\u200910.1\u00b0 and 23.5 \u00b1\u200921.1\u2009mm, respectively and no obvious loss of correction was observed of them during follow\u2010up. In addition, no change or loss of motor or somatosensory evoked potential occurred during surgery. During the follow\u2010up, two malposition screws and one rod breakage were found.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The satellite rod used in patients with severe kyphoscoliosis undergoing 3CO could yield favorable radiological and clinical outcomes. With the utilization of this technique, the coronal and sagittal balance could be well\u2010maintained during follow\u2010up.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.12836","type":"journal-article","created":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T12:22:52Z","timestamp":1607948572000},"page":"83-89","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Using Satellite Rod Technique in Patients with Severe Kyphoscoliosis Undergoing Three\u2010Column Osteotomy: A Minimum of 2\u2009Years' Follow\u2010up"],"prefix":"10.1111","volume":"13","author":[{"given":"Zongshan","family":"Hu","sequence":"first","affiliation":[{"name":"Department of Spine Surgery Drum Tower Hospital of Nanjing University Medical School  Nanjing China"},{"name":"Department of Orthopaedics and Traumatology The Chinese University of Hong Kong  Hong Kong China"},{"name":"The Joint Scoliosis Research Center of the Chinese University of Hong 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