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Long-term pulmonary function after posterior spinal fusion in main thoracic adolescent idiopathic scoliosis

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Title: Long-term pulmonary function after posterior spinal fusion in main thoracic adolescent idiopathic scoliosis
Authors: Byun, Young Man Browse this author
Iida, Takahiro Browse this author
Yamada, Katsuhisa Browse this author
Abumi, Kuniyoshi Browse this author →KAKEN DB
Kokabu, Terufumi Browse this author
Iwata, Akira Browse this author →KAKEN DB
Iwasaki, Norimasa Browse this author →KAKEN DB
Sudo, Hideki Browse this author →KAKEN DB
Issue Date: 25-Jun-2020
Publisher: PLOS
Journal Title: PLoS ONE
Volume: 15
Issue: 6
Start Page: e0235123
Publisher DOI: 10.1371/journal.pone.0235123
Abstract: Background Adolescent idiopathic scoliosis (AIS) patients typically undergo surgical treatment as teenagers, follow-ups of >5 years are necessary to evaluate effects on peak pulmonary reserves. However, limited data is available regarding the long-term (>10 years) effects of surgical intervention on pulmonary function (PF) in patients with thoracic AIS. Objective To provide long-term (>10 years) information on the PF after posterior spinal fusion for treating main thoracic AIS. We especially investigated whether surgical correction for AIS led to impairment of the PF. Methods A total of 35 patients with main thoracic AIS treated with posterior spinal fusion were included. Radiographs and PF tests, which included measurements of absolute and percent-predicted values of forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1), were evaluated. Results Mean age at surgery was 14.9 years (12-19 years). Mean follow-up period was 15.1 years (10-24 years). Although the final postoperative FVC and FEV(1)absolute values were higher than the preoperative values, the differences were not statistically significant (p = 0.22 and p = 0.08, respectively). Percent-predicted FVC and FEV(1)values between preoperative and final postoperative measurements were not statistically different (p = 0.63 and p = 0.29, respectively). However, for the patients who presented with pulmonary impairment preoperatively, both the FVC and FEV(1)significantly increased at the final follow-up (p = 0.01 and p = 0.01, respectively). Conclusions Long-term results of AIS patients who underwent posterior spinal fusion in main thoracic curves demonstrated absolute and percent-predicted PF test values similar to preoperative measurements; thus, indicating that posterior spinal fusion did not decrease PF 15 years after the initial surgery. Instead, patients with severe preoperative pulmonary impairment might show some degree of improvement after surgery.
Rights: http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/79076
Appears in Collections:国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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