Table 3.

Included studies focused solely on ano/rectovaginal fistulas after the PICO search

Title	Authors, year	Study design	Years	Patients	Flap type	Assessment	Follow-up	Follow-up time	Success rate	Failure rate	Other result
“What are the outcomes in patients referred to a tertiary referral center for Crohn’s rectovaginal fistula surgery?”	Sapci et al. [18]	Retrospective	2010–2020	20 pts with CD; AF on 7 pts with CD (RVF)	Semicircular AF	EUA with sigmoidoscopy	Clinical healing (no symptoms > 6 months and/or stoma closure)	Median 33 months (6–130 months)	85% (6/7)	Not specified
“Surgical intervention is effective for the treatment of Crohn’s-related rectovaginal fistulas: experience from a tertiary inflammatory bowel disease practice”	Otero-Pinero et al. [14]	Retrospective	1995–2021	166 patients with CD; AF on 86 pts with CD (RVF)	RAF or TVAF	Not specified	Not specified	Median 6 years (1–10 years)	RAF 32% (22/68), TVAF 40% (6/15)	RAF 68% (46/68), TVAF 60% (9/15)	Overall success rate 72% (119/166) with multiple surgical interventions

CD, Crohn’s disease; AF, advancement flap; RVF, rectovaginal fistula; RAF, rectal advancement flap; TVAF, transvaginal advancement flap; EUA, examination under anesthesia; pts, patients