A dduction contraction of the first web space following burn injury can disable the hand by reducing the thumbindex span, limiting the size of objects that can be grasped. Severe proximal palmar scarring can produce transverse cupping, and full flexion of the index and long fingers may be blocked by the thumb if it is permanently pronated across the palm.
PAPERS AND ARTICLESThis paper was presented to the Northwest Plastic Surgery Society, January 31, 1996, Whistler, British Columbia and, in part, at Twelve patients from 11 to 57 years of age who underwent surgical release of postburn first web space thumb adduction-pronation contracture had the resulting defect resurfaced successfully with a medium-thickness, unmeshed, split-thickness skin graft (STSG). This procedure provided satisfactory, durable cover and maintained the gain in thumb abduction. All hands had combined dorsal and volar scarring that required incision. If indicated, partial division of the midbelly of the distal border of the adductor and distal midborder of the first dorsal interosseous was performed to increase both radial and palmar thumb abduction. Immediate or delayed skin grafting, the latter with a dynamic grafting splint, was carried out. Fifteen hands (from 12 patients) were assessed one year or more after surgical release. The mean postoperative radial abduction angle measured on photographs between the first metacarpal shaft and index proximal phalanx was 42°±13°, which was greater than the preoperative mean of 23°±12°(P=0.001) but less than the mean of 57°±12°for 20 nonburned control subjects (P=0.002). The mean postoperative palmar abduction angle measured between the first metacarpal and the proximal phalanx of the index finger was 54°±19°, which was greater than the preoperative mean of 18°±21°(P<0.001). An STSG was simple and quick to harvest for the burned hand at or near full growth size, and was successful in maintaining the increased abduction gained in the first web space for most of the patients who were treated.
Key Words: Burn hand; Burn scar; First web space contracture; Hand reconstruction; Skin graft; Thumb adduction contractureRevêtement par greffe de peau demi-épaisse après la libération d'une rétraction en adduction de la première commissure du pouce survenue après une brûlure RÉSUMÉ : Douze patients âgés de 11 à 57 ans chez qui on a procédé à une libération chirurgicale d'une rétraction en adduction-pronation de la première commissure du pouce survenue après une brûlure ont, pour cacher les cicatrices résultant de cette intervention, subi avec succès un resurfaçage avec une greffe de peau demi-épaisse, sans filets, d'épaisseur moyenne. Cette intervention a fourni un revêtement durable et satisfaisant et maintenu l'augmentation de l'adduction du pouce. Toutes les mains avaient une combinaison de cicatrices antérieures et dorsales qui ont nécessité une incision. Lorsqu'il y avait indication, une division partielle du corps moyen du bord distal de l'adducteur et du bord moyen distal du premier interosseux dorsal a...