Return to play and outcomes of surgically treated upper limb nerve entrapment in athletes: a systematic review.

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Athletes face a higher risk of upper limb nerve entrapment due to repetitive stress, trauma, and biomechanics. Diagnosis is challenging, and delayed treatment can impair performance. When conservative care fails, surgery may be needed to restore function and enable return to play (RTP). This systematic review adhered to PRISMA guidelines and evaluated surgical outcomes, RTP rates, and complications in athletes with upper limb nerve entrapment. A comprehensive search was conducted using MeSH terms and keywords for surgical interventions, nerve entrapment syndromes, and sports. Eligible studies included case series, cohort studies, and comparative studies that reported postoperative outcomes in athletes. Data extraction included nerve involvement, surgical techniques, clinical outcomes, and RTP rates. Thirty-one studies, comprising 1,297 athletes across 23 sports, were included. The most common nerve entrapments involved the ulnar nerve (50.1%), brachial plexus (39.2%), and suprascapular nerve (9.5%). Surgical interventions included ulnar nerve decompression/transposition, first rib resection with scalenectomy for thoracic outlet syndrome (TOS), and suprascapular nerve decompression. RTP rates ranged from 62 to 100%, with an average of 87%. Suprascapular nerve decompression had the highest RTP success (100%), while TOS demonstrated greater variability (62.5-97%). Functional improvements included pain reduction, increased grip strength, and enhanced patient-reported outcomes. The overall complication rate was low, but TOS procedures had the highest reoperation rates (3.8-27%). Surgical treatment of upper limb nerve entrapment in athletes yields high RTP rates and functional recovery. Ulnar and suprascapular nerve decompressions show consistent success, while TOS surgery outcomes vary.