Abstract
Background
There is a paucity of data available with respect to outcome on long contoured locking plate fixation for proximal humerus fractures with distal fracture extension.
Methods
Thirty-four patients with traumatic proximal humerus fractures with distal extension underwent fixation with long contoured locking plates. Twenty-five patients (74%) were included in the study: one patient died, two patients had unrelated illnesses resulting in them being unable to complete follow-up assessment and six were lost to follow-up. Patients’ case notes and radiographs were retrospectively reviewed, and patients were contacted to assess functional outcome using the Visual Analogue Scale (VAS) for pain, Disabilities of the Arm, Shoulder and Hand (DASH) score, Oxford Shoulder Score (OSS) and Stanmore Percentage of Normal Shoulder Assessment (SPONSA).
Results
Mean follow-up was 27 months (range 11 months to 60 months). Mean pain at final follow-up was 3.6 [95% confidence interval (CI) = 2.5 to 4.8] with only four patients having residual pain greater than 5 on the VAS scale. Mean DASH score was 41.2 (95% CI = 32.0 to 50.4), mean OSS was 29.1 (95% CI = 24.3 to 33.9) and mean SPONSA was 63.9% (95% CI = 50.8 to 77.2). There was one wound infection. Three patients had non-unions that required bone grafting and revision internal fixation.
Conclusions
We feel long contoured locking plates represent a useful treatment option for complex proximal humerus fractures
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