Abstract

What is the difference in vaginal-length gain and resumption of menstruation following cervicovaginal reconstruction using split-thickness skin (STS) graft versus small intestinal submucosa (SIS) graft for patients with congenital vaginal and cervical aplasia? No difference was found in the number of patients who resumed menstruation between the two groups; however, significantly greater vaginal-length gain was found in the STS group. Hysterectomy and vaginoplasty are typically recommended for patients without a cervix or without a sufficient cervix to avoid postoperative re-obstruction. Advances in surgical techniques have enabled the use of autologous tissues or heterologous biological grafts for reconstructive procedures, allowing patients undergoing these procedures to preserve the possibility of conception. This was a retrospective study of 26 women who were diagnosed with congenital vaginal and cervical aplasia with a functional endometrial cavity and underwent cervicovaginal reconstruction using STS or SIS grafts between January 2012 and October 2015 at the Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China. 15 women underwent cervicovaginal reconstruction using SIS graft and 11 underwent cervicovaginal reconstruction using STS graft. Clinical characteristics, perioperative data, resumption of menstruation, vaginal stenosis, length of the neovagina, vaginal-length gain, stricture of the cervix and body image were postoperatively assessed. At a median follow-up of 21 (2-46) months, all but one of the patients experienced relief of abdominal pain and resumed menstruation. Re-obstruction of the cervix occurred in only one patient in the SIS group. The SIS group reported significantly higher body image scores and cosmetic satisfaction. Although the two groups had a similar vaginal length before surgery, the vaginal-length gain was significantly greater in the STS group (4.9±1.7 cm in the SIS group versus 7.5±0.7 cm in the STS group, P =0.004) and the neovagina length at 6 months post-operation was significantly shorter in the SIS group (6.5±0.7 cm in SIS the group versus 8.0±0.5 cm in the STS group, P <0.0001). Due to a lack of long-term follow-up, patient satisfaction with sex life, pregnancy rates and outcomes after the two approaches require further evaluation. Combined laparoscopic and vaginal cervicovaginal reconstruction using SIS or STS graft is a safe and effective treatment for preserving uterus function in women with congenital vaginal and cervical aplasia. However, SIS graft must still be improved to achieve satisfactory vaginal length. This study was supported by the Chinese National Nature Sciences Foundation (grant number 81471416) and the National Key Clinical Faculty Construction Program of China. No competing interests are declared. N/A.

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