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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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