Ying-Hsuan LeeDepartment of Plastic and Reconstructive Surgery, Division of Reconstructive Microsurgery, Chang Gung Memorial Hospital, and Chang Gung University, Taoyuan, Taiwan
Tommy Nai-Jen ChangDepartment of Plastic and Reconstructive Surgery, Division of Reconstructive Microsurgery, Chang Gung Memorial Hospital, and Chang Gung University, Taoyuan, Taiwan
David Chwei-Chin ChuangDepartment of Plastic and Reconstructive Surgery, Division of Reconstructive Microsurgery, Chang Gung Memorial Hospital, and Chang Gung University, Taoyuan, Taiwan
Johnny Chuieng-Yi LuDepartment of Plastic and Reconstructive Surgery, Division of Reconstructive Microsurgery, Chang Gung Memorial Hospital, and Chang Gung University, Taoyuan, Taiwan
Nerve reconstruction after 6 months of denervation time in brachial plexus injuries (BPIs) can be inconsistent. A dilemma exists when the use of critical donor nerves for nerve transfers may lead to unreliable outcomes that would waste the donor nerve. The purpose of this study was to evaluate the long-term outcomes of elbow and shoulder function in patients with BPIs receiving nerve reconstruction in the delayed setting (i.e., 6–12 months after injury).
开云体育世界杯赔率
Data from patients with delayed BPIs who received a nerve transfer (including proximal and distal nerve transfer/grafting) at a tertiary medical center were retrospectively collected from January 1999 to March 2020. Demographics, extent of injury, mechanism of injury, and reconstructive methods were collected. Patients were categorized into two groups: non–pan-plexus BPI (C5–6, C5–7, and C5–8) and pan-plexus BPI (C5–T1). Acceptable outcome was defined as elbow flexion ≥ M3 status or shoulder abduction ≥ 60°.
RESULTS
Sixty-four patients were included in the study. The average time from injury to nerve reconstruction was 236 (range 180–441) days, and the average follow-up time was 66 months. In the non–pan-plexus BPI group (n = 43 patients), 74.4% of patients demonstrated M3 elbow flexion, and 48.8% of patients demonstrated M4 elbow flexion. Double fascicular transfer yielded better results and faster recovery than a single fascicular transfer. In the pan-plexus BPI group (n = 21 patients), 38.1% of patients reached M3 elbow flexion and 23.8% attained M4 elbow flexion. In the non–pan-plexus BPI group, the recovery rate of acceptable shoulder abduction was 53.5%, but only 23.5% of pan-plexus patients with BPI achieved acceptable shoulder abduction.
CONCLUSIONS
Nerve reconstruction can effectively restore functional elbow flexion and acceptable shoulder abduction in non–pan-plexus patients with BPI in the delayed setting. However, neither acceptable elbow flexion nor shoulder abduction could be consistently achieved in pan-plexus BPI. Judicious use of the donor nerves in pan-plexus injuries is required, in addition to preserving a donor nerve for a backup plan such as free-functioning muscle transplantation or tendon transfers.
ABBREVIATIONS
BPI = brachial plexus injury;CN = cranial nerve;FFMT = free-functioning muscle transplantation;MCA = motorcycle accident;MRC = Medical Research Council;MVA = motor vehicle accident;XI = spinal accessory nerve.
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