[Clinical obeservation of improved passing peritoneum extraperitoneal cesarean sectron]

One hundred and fifty puerperas who had indications for cesarean section and factors associated with intrauterine infection were random divided into three groups and adopted three different operative proccdures which were improved passing peritoneum extraperitoneal, extraperitoneal and low segement cesarean section respectively. Three were 50 puerperas in each group, seven paremeters were observed during and after operation. The results showed that the mean times of three groups from cutting skin to fetal head delivered were 19.5, 22.6 and 19.9 minutes respectively (P < 0.05), the mean operative times were 58.04, 68.2 and 72.0 minutes in proper urder (P < 0.01). Gastrointestinal function recovery mean times were 26.6, 26.0 and 47.9 hours (P < 0.01) in sequence. Postoperative morhidity rates were 10%, 12% and 24% (P < 0.01) in order. Postoperative comlicatins were 0%, 26% and 6% (P < 0.01). There were no significant difference both in newborn one minute Apgar grading and blood loss volume during the operation in three groups. Improved passing peritoneun extraperitoneal cesarean section is a simple, convenient, safe and practical oprative method. It is especially applied to those cases who have a bad form of uterine hypomere and factors of intrauterine infection.