Abstract
ObjectiveThis study was performed to identify risk factors for postoperative rectovaginal fistula (PRF) in patients with deep infiltrating endometriosis (DIE).MethodsData were retrospectively obtained from the medical records of 104 patients with DIE, and statistical analysis was used to detect risk factors for PRF.ResultsFive of 104 (4.8%) patients developed PRF from 5 to 16 days postoperatively. The operative procedures included 84 (80.8%) superficial excisions, 6 (5.8%) full-thickness disc excisions, and 14 (13.5%) bowel resections. Most lesions were located in the cul-de-sac, and the mean lesion size was 2.6 cm (range, 0.5–7.0 cm). The univariate analysis showed that lesion location, larger lesion size, and surgical technique were statistically significant risk factors for PRF.ConclusionSurgical procedures should be very carefully executed in patients with DIE lesions of ≥4 cm.
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