Abstract
Carpal tunnel syndrome is common at the largest lamb processing plant in the world, especially in new lamb boners. The purpose of this study was to establish the incidence and whether expeditious return to work following open carpal tunnel decompression was possible. Two hundred patients with a neurophysiologically confirmed diagnosis underwent surgery between 2002 and 2006. One hundred and eighty-seven patients were assessed retrospectively and 13 prospectively. The incidence in new lamb boners was 10% in their first season. On average, workers commenced rehabilitation at 11 days post-operatively and full duties at 29 days post-operatively with minimal further time off taken. Ninety percent returned to their previous role. By 8 weeks in the prospective group visual analogue pain scores had improved from 8.75 to 2.0 (P<0.01) and Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) scores had improved from 140 points to 68 (P<0.01). Grip/pinch testing, static two-point discrimination scores and complication rates were comparable with previous studies. This study provides good evidence that coordinated, early rehabilitation and return to work is effective in a high-demand population.
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