1. Radical Operation on Anal Fistula by Means of CO2 Laser

概要

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The carbon dioxide laser (Medilaser-S having 60w. max. power) was first installed at Jikei Hospital in 1977. Since the time it was used as a ancillary tool on various operation in general surgery and we have experienced over two handred cases containing 25 patients with fistula-in-ano. Radical operation for fistula-in-ano was performed by means of irradiation of 20-25w. focused or defocused laser beam, and pathological tissue for the fistula was compeltely vaporized. The damage to healthy skin tissus was minimum extensive, the time for operation was reduced, and the operation field was kept dry under haemostatic condition. Postoperative course was quite smooth under painless condition and the wound healing was satisfactory without keloid formation. The CO2 laser proved significantly more effective for ano-rectal surgery especially to fistula-in-ano in comparison to routine method.