Abstract
This retrospective study aimed to compare the clinical effects of reverse digital artery island flaps and antegrade homodigital neurovascular island flaps in fingertip reconstruction. We retrospectively analyzed the data of 30 consecutive patients with fingertip defects who had undergone 2 types of surgery from January 2016 to January 2019. We used reverse digital artery island flaps and antegrade homodigital neurovascular island flaps in 14 and 16 patients, respectively. Flap sensitivity was evaluated using the Semmes-Weinstein monofilament test and static 2-point discrimination test. Finger appearance was assessed using the Michigan Hand Outcomes Questionnaire. The operation time, flap sensitivity, range of motion of the interphalangeal joint, and complications were evaluated. The static 2-point discrimination results of the fingers were significantly different between the antegrade homodigital neurovascular island flap group and reverse digital artery island flap group (8.07 ± 1.54 vs 5.94 ± 1.73; P < 0.05). The appearance of the fingers was significantly better in the antegrade homodigital neurovascular island flap group. Surgery using antegrade homodigital neurovascular island flaps required less time than surgery using reverse digital artery island flaps. No significant differences were found between the 2 groups in the range of motion of the interphalangeal joint or complications. The functional outcomes were identical between the reverse digital artery island flap and antegrade homodigital neurovascular island flap methods for fingertip reconstruction. Antegrade homodigital neurovascular island flaps lead to a shorter operation time, a more satisfying appearance, and better sensory recovery.
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