A proper digital nerve (PDN) defect in the thumb can produce partial or complete sensory loss which can result in functional disability. This article reports the treatment of the thumb PDN defect using a pedicled nerve graft harvested from the dorsal branch of the PDN. Fourteen patients with the thumb PDN defect underwent a new surgical procedure in which the pedicled nerve graft was used to bridge nerve defect. For comparison, the investigators also collected a consecutive series of 21 patients with thumb PDN defects treated using a nonvascularized sural nerve graft. This study was designed to evaluate the efficacy of pedicled nerve grafting for PDN defects in the thumb.
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static 2-point discrimination (2PD) test
Timeframe: 22 months