Contralateral C7 transfer <i>via</i> both ulnar nerve and medial antebrachial cutaneous nerve to repair total brachial plexus avulsion: a preliminary report

<b>Aim:</b> After brachial plexus injuries, sacrifice of the contralateral C7 (cC7) root from the non-injured side is well tolerated and various schemes to innervate the injured side from the cC7 root have been used. <b>Objective:</b> To demonstrate the surgical outcomes from transferring the cC7 to the affected side <i>via</i> both the ulnar nerve and medial antebrachial cutaneous nerve (MACN). <b>Methods:</b> A retrospective study of 16 adult patients sustaining total brachial plexus avulsion who underwent this procedure. The British Medical Research Council (MRC) grading system and the disabilities of the arm, shoulder, and hand (DASH) questionnaire scoring were used to evaluate the recovery. <b>Results:</b> About 68.75% of the patients achieved functional recovery of elbow flexion to M3 or better and 43.75% achieved motor recovery of wrist and finger flexion to M3 or better. Sensation in the median nerve territory recovered to S2 or better in 68.75%. The DASH scores after surgery were significantly lower than those before surgery. <b>Conclusions:</b> cC7 transfer <i>via</i> both ulnar and MACNs is an effective and safe procedure in patients sustaining total injuries of brachial plexus.

**研究背景**：臂丛损伤后，切断健侧C7（contralateral C7, cC7）神经根的手术具有良好耐受性，目前已有多种通过cC7神经根为患侧实施神经再支配的手术方案得到应用。**研究目标**：验证通过尺神经与前臂内侧皮神经（medial antebrachial cutaneous nerve, MACN）将cC7移位至患侧的手术疗效。**研究方法**：本研究为回顾性研究，纳入16例确诊完全性臂丛撕脱伤的成年患者，所有患者均接受上述手术。采用英国医学研究理事会（British Medical Research Council, MRC）肌力分级标准及上肢、肩部与手部功能障碍（disabilities of the arm, shoulder, and hand, DASH）问卷评分，对患者的术后恢复情况进行评估。**研究结果**：约68.75%的患者肘关节屈曲功能恢复至M3级及以上，43.75%的患者腕关节与手指屈曲运动功能恢复至M3级及以上。正中神经支配区感觉功能恢复至S2级及以上者占比为68.75%。术后DASH评分显著低于术前评分。**研究结论**：通过尺神经与MACN实施cC7移位术，用于治疗完全性臂丛损伤患者，是一种安全有效的手术方式。

搜集汇总

背景与挑战

背景概述

该数据集是2019年发布的关于臂丛神经完全性撕脱伤修复的医学研究报告，通过回顾性研究评估了16名患者接受健侧C7神经根经尺神经和内侧臂皮神经转移手术的效果。结果显示，多数患者肘屈曲和感觉功能显著恢复，术后生活质量评分改善，证实了该手术的安全性和有效性。数据集包含文档和视频文件，覆盖医学、神经科学等领域，采用CC BY 4.0许可证。