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A Comparative Study of the Heterodigital Neurovascular Island Flap in Thumb Reconstruction, with and without Nerve ReconnectionFrom the Hand Surgery Unit, Department of Orthopaedics, University of Modena, Italy Correspondence: Roberto Adani, MD, Clinica Ortopedica dell’Universitá, via Del Pozzo, 71, 41100 Modena, Italy. 41 heterodigital neurovascular island flaps were used to cover defects of the tactile pad of the thumb in 17 years. With an average follow-up of 75.5 months, 30 patients were reviewed. 17 were treated by the original Littler technique and 13 were treated with the same flap reconstruction but with division of the digital nerve innervating the flap and re-anastomosis of this nerve to the proximal nerve end of the ulnar digital nerve of the thumb. Good aesthetic and functional results were achieved in both groups. Sensory acuity did not appear to decrease with time. The nerve reconnection technique solves the "double sensibility" phenomenon (present in 41.1% of our cases treated by the original technique), but two-point discrimination is less than that achieved by the Littler technique. Most complaints were related to the donor site such as hypertrophic scarring or scar contracture and cold intolerance, but these did not cause any real functional impairment.
Journal of Hand Surgery (British and European Volume), Vol. 19, No. 5,
552-559 (1994) |
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