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Abstract Objective: To investigate the effect of scar resection on the scar diverticulum (PCSD) formation of women with secondary cesarean section. Methods: 408 women with second cesarean section in Qingbaijiang district People's hospital of Chengdu city from August 2015 to February 2017 were selected, and were divided randomly into observation group (204 cases) and control group (204 cases). Women in observation group were resected previous incision scar directly during cesarean section, and the treatment of individualized incision suture was adopted based on characteristics of uterine scar. Women in control group were treated with double layer continuous suture at the scar incision point during cesarean section. The clinical indexes and postoperative recovery were compared between the two groups. And the incidence of PCSD formation in both groups was followed up to 15months after deliver. Results: There were no significant different in the amount of intraoperative bleeding, the operation time, the maximum body temperature within 3 days after operation between the two groups (P>0.05). The duration of lochia, the rate of postpartum hemorrhage, and the rate of pelvic adhesion of women in observation group were significant lower than those of women in control group (P < 0.05). The hospital stay time, and the time to anal exhaust time had no significant different (P> 0.05). The abnormal menstrual rate and incidence of PCSD of women in observation group were significant lower than those of women in control group (P < 0.05). 15 months after operation, the average myometrium thickness at PCSD point of women in observation group was significant higher than that of women in control group, and volume of PCSD of women in observation group was significant less than that of women in control group (P < 0.05). Conclusion: Women who had experienced cesarean are resected previous incision scar directly during secondary cesarean section, and are given individualized incision suture, which can avoid poor wound healing and reduce the risk of the formation of PCSD.
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