Abstract
The purpose was to compare clinical and radiological outcomes between two fixation techniques used to treat extra-articular fractures involving the base of the thumb metacarpal: retrograde intramedullary cannulated headless screw (RICHS) and locking plate (LP). Fifty-one patients who underwent RICHS (n = 22) or LP fixation (n = 29) from January 2010 through 2020 were included in this retrospective case-control study with mean follow-up 39 months. No inter-group differences were observed comparing mean time to radiological union, grip strength, range of motion, pain severity or QuickDASH scores. Mean surgery time was shorter with RICHS (18.9 min) than with LP fixation (44.4 min). Mean time to return to work or routine activities was less in RICHS than LP (22 vs. 32 days), as was the percentage of patients requiring hardware removal (0% vs. 44.8%). We conclude that RICHS fixation requires less operating time and yields faster post-operative return to full function and fewer secondary procedures.
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