体重指数升高会对腋神经肱三头肌肌支转移后肩外展力量的恢复产生负面影响。
Elevated Body Mass Index Negatively Impacts Recovery of Shoulder Abduction Strength in Triceps Motor Branch to Axillary Nerve Transfers.
机构信息
Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Manitoba, Winnipeg, MB, Canada.
Division of Plastic and Reconstructive Surgery, Department of surgery, University of Ottawa, Ottawa, ON, Canada.
出版信息
Hand (N Y). 2023 Jan;18(1_suppl):36S-42S. doi: 10.1177/15589447221075664. Epub 2022 Mar 3.
BACKGROUND
The purpose of this work was to evaluate the clinical outcomes of triceps motor branch to axillary nerve transfers and to identify prognostic factors which may influence these outcomes.
METHODS
A retrospective cohort included all patients who underwent a triceps motor branch to axillary nerve transfer (2010-2019) with at least 12 months of follow-up. The primary outcome measure was shoulder abduction strength assessed with British Medical Research Council (MRC) grade.
RESULTS
Ten patients were included with a mean follow-up of 19.1 (SD 5.9) months. Compared with preoperative MRC shoulder abduction strength (0.2 SD 0.4), patients significantly improved postoperatively (2.8 SD 1.6; = .005). Increased body mass index (BMI) was significantly associated with worse postoperative MRC ( = .014).
CONCLUSION
Triceps motor branch to axillary nerve transfer is a beneficial procedure for restoring shoulder function in patients presenting with either isolated axillary nerve or brachial plexus pathology. Patients with elevated BMI may not have as robust strength recovery and should be counseled carefully regarding prognosis.
背景
本研究旨在评估肱三头肌肌支转位至腋神经术的临床效果，并确定可能影响这些结果的预后因素。
方法
回顾性队列研究纳入了 2010 年至 2019 年间所有接受肱三头肌肌支转位至腋神经术（随访时间至少 12 个月）的患者。主要观察指标为采用英国医学研究理事会（MRC）分级评估的肩外展力量。
结果
共纳入 10 例患者，平均随访 19.1（SD 5.9）个月。与术前 MRC 肩外展力量（0.2 SD 0.4）相比，术后患者明显改善（2.8 SD 1.6；P=.005）。较高的体重指数（BMI）与术后 MRC 明显相关（P=.014）。
结论
对于患有单纯腋神经或臂丛病变的患者，肱三头肌肌支转位至腋神经术是一种有益的恢复肩部功能的方法。BMI 较高的患者可能不会有很强的力量恢复，应谨慎告知其预后情况。
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