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Screw Position Following Percutaneous Versus Mini-Open Intramedullary Retrograde Screw Fixation of Metacarpal Fractures.

BACKGROUND: Metacarpal fracture fixation using the retrograde intramedullary screw technique can be performed through two different approaches. The mini-open approach requires greater soft tissue dissection but allows for direct visualization of the metacarpal head compared with the percutaneous approach. Our aim was to determine which approach resulted in optimal screw position.

METHODS: Eighty-one consecutive patients that underwent intramedullary screw fixation for metacarpal fractures from 2016 to 2021 were identified. Patients were treated by 4 fellowship-trained orthopedic hand surgeons who employed the mini-open or percutaneous approach. Postoperative radiographs were reviewed for screw position.

RESULTS: A total of 81 patients (41 mini-open, 40 percutaneous) were included in this study. There were no significant differences between the two groups in age, sex, hand dominance, or affected digit. Postoperative screw position at first postoperative visit was not significantly different between the two groups on anteroposterior or lateral radiographs.

CONCLUSION: Postoperative screw position is not significantly different between the mini-open and percutaneous approaches for intramedullary screw fixation of metacarpal fractures.

LEVEL OF EVIDENCE: Level III, therapeutic.

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