Factors limiting postoperative range of motion after reverse shoulder arthroplasty.

IF 1.2 Q3 ORTHOPEDICS

Shoulder and Elbow Pub Date : 2026-04-13 DOI:10.1177/17585732261441308

Yuki Matsui, Daisuke Momma, Atsushi Urita, Akihito Sotome, Hiroaki Kida, Tomoyo Irie, Kyosuke Numaguchi, Norimasa Iwasaki

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引用次数: 0

Abstract

Background: Reverse shoulder arthroplasty (rTSA) provides reliable outcomes, but postoperative range of motion (ROM) varies. This study examined factors influencing the ROM after rTSA.

Methods: Seventy-three shoulders (70 patients) undergoing primary rTSA between 2014 and 2023 with ≥1-year follow-up were reviewed. Demographic, clinical, perioperative, and radiographic data were analyzed. Forward flexion (FF), external rotation (ER), and internal rotation (IR) were evaluated using multivariable linear regression to identify predictors.

Results: FF improved from 70° to 119° (p < 0.001), and ER from 12° to 22° (p = 0.002), whereas IR decreased from L3 to L4 (p = 0.009). Older age (β = -1.26, p = 0.003) and greater postoperative global lateralization, measured as lateral offset (β = -1.88, p = 0.001), predicted poorer FF, while taller height (β = 0.88, p = 0.015) and higher preoperative abduction (β = 0.26, p = 0.002) were favorable. For ER, older age was detrimental, whereas prior arthroscopic repair (β = 11.06, p = 0.031) and greater preoperative ER (β = 0.19, p = 0.041) were beneficial. No predictors were identified for IR.

Discussion: Older age and increased global lateralization limit elevation, whereas taller stature, preoperative abduction, and prior arthroscopic repair predict better motion.

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限制肩关节置换术后活动范围的因素。

背景：反向肩关节置换术（rTSA）提供了可靠的结果，但术后活动范围（ROM）不同。本研究探讨影响rTSA术后ROM的因素。方法：回顾2014年至2023年期间接受原发性rTSA治疗的73例肩部患者（70例患者），随访≥1年。对人口统计学、临床、围手术期和影像学资料进行分析。前屈（FF）、外旋（ER）和内旋（IR）采用多变量线性回归来确定预测因子。结果：FF从70°改善到119°（p = 0.002），而IR从L3降低到L4 （p = 0.009）。年龄越大（β = -1.26, p = 0.003）和术后整体偏侧程度越高（β = -1.88, p = 0.001）预示FF较差，而身高越高（β = 0.88, p = 0.015）和术前外展程度越高（β = 0.26, p = 0.002）预示FF较差。对于ER，年龄较大是不利的，而先前的关节镜修复（β = 11.06, p = 0.031）和术前较大的ER （β = 0.19, p = 0.041）是有益的。未发现IR的预测因子。讨论：年龄越大和整体偏侧增加限制了抬高，而较高的身材、术前外展和先前的关节镜修复预示着更好的运动。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Shoulder and Elbow Medicine-Rehabilitation

CiteScore

2.80

自引率

0.00%

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