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A systematic review of the treatment of distal humerus fractures in older adults: A comparison of surgical and non-surgical options

Fractures of the distal humerus are a common fragility fracture in older adults. The purpose of this study was to systematically review the literature to produce pooled estimates of the outcomes of treatment using total elbow arthroplasty (TEA), open reduction and locking plate fixation (ORIF), hemiarthroplasty or with conservative management. A systematic review of PUBMED and EMBASE databases was conducted for studies reporting outcomes of intra-articular fractures in older adults. Data extracted included patient-reported outcome measures as well as clinical outcomes including ROM, adverse events and all-cause reoperation rates. Forty-eight studies met the inclusion criteria and included 1838 acute, intra-articular distal humeral fractures. There was no clinically important difference in patient-reported pain and function measured on the Mayo Elbow Performance Score (TEA = 89.3 (SD 20.0), Hemi = 88.4 (SD 10.6), internal fixation = 85.0 (SD 14.7), non-operative = 85.1 (SD 11.0)). Each of the treatment modalities studies resulted in a reasonable level of elbow function. The included studies were largely non-comparative and at considerable risk of bias. As elbow replacement surgery becomes centralised in the UK, there is a real need for high-quality comparative research studies to inform practice.