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CARBON DIOXIDE LASER MICROSURGERY OF THE UTERINE TUBE

From the Department of Obstetrics and Gynecology, Mount Sinai Hospital, Hartford; and the University of Connecticut School of Medicine, Farmington, Connecticut

The carbon dioxide (CO₂) laser was used to perform microsurgical excision of obstructed tubal segments in rabbit and human subjects. Approximation of the freshly severed tubes by means of laser "welding" was evaluated in both groups investigated. More important, the laser beam cuts accurately and atraumatically while sealing small vascular channels. Scanning electron microscopic studies of the human fallopian tube following laser surgery were done to determine the extent of tissue injury. At a distance of 1 mm distal to the vaporization and necrotic impact zone, normal tubal anatomy was observed. Follow-up data are presented for 7 women who underwent laser beam tuboplasty between 1979 and 1980. The principal advantages of the CO₂laser are its precise control, minimal tissue injury, and hemostatic properties.