Abstract
To find a technique which will permit a quick bloodless primary excision of an acute burn, through hyperaemic tissues, experiments have been conducted in the laser excision of thermal burns of the white rat and the miniature pig.The animals were burned, excised by carbon dioxide laser, argon laser, cold-knife scalpel or Bovie electric scalpel, and grafted. Burns were successfully excised with minimal blood loss using the lasers, but there was no significant difference in haematocrit, WBC, total protein or weight values between the laser-excised rats and those excised by Bovie or cold-knife scalpel. There was little difference between take and survival of grafts in the Bovie, cold-knife and laser series, but there were marked differences between the thermally excised and cold-knife excised burns in the ability of epithelial islands of the burn area to grow out and cover the lost-graft areas.Differences were found in the coverage of burns between the white rat and the miniature pig.
Published Version
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