Satisfactory immediate spontaneous correction may not mean satisfactory final results for moderate TL/L curves after selective thoracic fusion in AIS patients.

Autor: Zhang Y; Department of Spine Surgery, Beijing Jishuitan Hospital, Xicheng District Xinjiekou No. 31 East Street, Beijing, 100035, P.R. China., Bai J; Department of Trauma and Joint, The Third Affiliated Hospital of Beijing University of Traditional Chinese Medicine, Chaoyang District Anwai Xiaoguan Street No. 51, Beijing, 100029, P.R. China., Xiao B; Department of Spine Surgery, Beijing Jishuitan Hospital, Xicheng District Xinjiekou No. 31 East Street, Beijing, 100035, P.R. China. jstxiaob@163.com., Zhang J; Department of Orthopedics of Peking Union Medical College Hospital, 1Shuai Fu Yuan, Beijing, 100730, P.R. China., He D; Department of Spine Surgery, Beijing Jishuitan Hospital, Xicheng District Xinjiekou No. 31 East Street, Beijing, 100035, P.R. China., Xing Y; Department of Spine Surgery, Beijing Jishuitan Hospital, Xicheng District Xinjiekou No. 31 East Street, Beijing, 100035, P.R. China., Liu B; Department of Spine Surgery, Beijing Jishuitan Hospital, Xicheng District Xinjiekou No. 31 East Street, Beijing, 100035, P.R. China.
Jazyk: angličtina
Zdroj: BMC musculoskeletal disorders [BMC Musculoskelet Disord] 2023 Jul 01; Vol. 24 (1), pp. 543. Date of Electronic Publication: 2023 Jul 01.
DOI: 10.1186/s12891-023-06591-8
Abstrakt: Background: Few studies have focused on the chronic spontaneous behavior of the unfused TL/L curve during follow-up. The purpose of the present study was to explore the behavior of the unfused TL/L curve during a long-term follow-up to identify the risk factors for correction loss.
Methods: Sixty-four age-matched female AIS patients undergoing selective thoracic fusion were enrolled. Patients were divided into 2 groups according to whether there was correction loss. Risk factors for correction loss of the unfused TL/L curves were analyzed. The relationship and difference between the immediate postoperative thoracic and TL/L Cobb angles were explored.
Results: The TL/L Cobb angle was 28.17° before surgery, 8.60° after surgery, and 10.74° at the final follow-up, with a correction loss of 2.14°. Each subgroup contained 32 cases. A smaller postoperative TL/L Cobb angle was the only risk factor that was independently associated with TL/L correction loss. In the LOSS group, there was a significant difference and no correlation between the immediate postoperative TL/L and the thoracic Cobb angle. In the NO-LOSS group, there was a moderate correlation and no difference between them.
Conclusion: A smaller immediate postoperative TL/L Cobb angle may have been associated with TL/L correction loss during the long-term follow-up. Thus, good immediate postoperative spontaneous correction may not mean a satisfactory outcome at the final follow-up after STF. Mismatch between thoracic and TL/L Cobb angles immediately after surgery may also be related to correction loss of the unfused TL/L curves. Close attention should be paid in case of deterioration.
(© 2023. The Author(s).)
Databáze: MEDLINE
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