Since 1989, 42 eases with low anal fistula were operated by laser method or ordi-nary method. During" operation some tissues were taken from the surfaee of the wound for bacte-rial culture. Experimeutal group (la...Since 1989, 42 eases with low anal fistula were operated by laser method or ordi-nary method. During" operation some tissues were taken from the surfaee of the wound for bacte-rial culture. Experimeutal group (laser method), no bacteria were cultured in 24 eases operated bythe laser method. Control" group (ordinary method): bacteria were eultured in 16 out of 18 casesoperated by the ordinary method. The difference between these two groups was of statistical sig-ni[ieance ( P<0.001). Thus, CO2 laser is a simple, Convinient, sere baeteriocidal tool for surgical use.展开更多
文摘Since 1989, 42 eases with low anal fistula were operated by laser method or ordi-nary method. During" operation some tissues were taken from the surfaee of the wound for bacte-rial culture. Experimeutal group (laser method), no bacteria were cultured in 24 eases operated bythe laser method. Control" group (ordinary method): bacteria were eultured in 16 out of 18 casesoperated by the ordinary method. The difference between these two groups was of statistical sig-ni[ieance ( P<0.001). Thus, CO2 laser is a simple, Convinient, sere baeteriocidal tool for surgical use.