Supplementary Table 1: Detailed search strategy
Database Time span Search strategy
Cochrane Central Register of Controlled Trials
(CENTRAL) in The Cochrane Library (Wiley) February
28th 2015 #1 medical treatment OR medical management OR anti-TNF OR
immunomodulator OR immunosuppressant OR biologic OR infliximab OR steroid OR corticosteroid OR antibiotic OR metronidazole OR ciprofloxacin OR azathioprine OR ciclosporin OR 5-aminosalicylic acid OR
aminosalicylate OR 5-ASA OR mesalazine OR tacrolimus OR elemental diet OR total parenteral nutrition
#2 rectovaginal OR anovaginal OR vaginal OR enterovesicular OR
enterovesical OR enterourinary OR colovesical OR urinary OR bladder OR internal OR pelvic
#3 fistula OR fistulae
#4 (#2 AND #3)
#5 Crohn’s OR Crohns OR Crohn
#6 (#1 AND #4 AND #5)
MEDLINE (Pubmed)
January 1947 to February 2015
(medical treatment OR medical management OR anti-TNF OR
immunomodulator OR immunosuppressant OR biologic OR infliximab OR steroid OR corticosteroid OR antibiotic OR metronidazole OR ciprofloxacin OR azathioprine OR ciclosporin OR 5-aminosalicylic acid OR
aminosalicylate OR 5-ASA OR mesalazine OR tacrolimus OR elemental diet OR total parenteral nutrition) AND ((rectovaginal OR anovaginal OR vaginal OR enterovesicular OR enterovesical OR enterourinary OR
colovesical OR urinary OR bladder OR internal OR pelvic) AND (fistula OR fistulae)) AND (Crohn’s OR Crohns OR Crohn)
EMBASE (OvidSP)
Janurary 1974 to February 2015
1 (medical treatment OR medical management OR anti-TNF OR
immunomodulator OR immunosuppressant OR biologic OR infliximab OR steroid OR corticosteroid OR antibiotic OR metronidazole OR ciprofloxacin OR azathioprine OR ciclosporin OR 5-aminosalicylic acid OR
aminosalicylate OR 5-ASA OR mesalazine OR tacrolimus OR elemental diet OR total parenteral nutrition).af.
2 (rectovaginal OR anovaginal OR vaginal OR enterovesicular OR
enterovesical OR enterourinary OR colovesical OR urinary OR bladder OR internal OR pelvic).af.
3 (fistula OR fistulae).af.
4 2 AND 3
5 (Crohns OR Crohn).af.
6 1 AND 4 AND 5
Science Citation Index Expanded January #1 medical treatment OR medical management OR anti-TNF OR
(http://www.webofknowledge.com/?DestApp=WOS) 1945 to February 2015
immunomodulator OR immunosuppressant OR biologic OR infliximab OR steroid OR corticosteroid OR antibiotic OR metronidazole OR ciprofloxacin OR azathioprine OR ciclosporin OR 5-aminosalicylic acid OR
aminosalicylate OR 5-ASA OR mesalazine OR tacrolimus OR elemental diet OR total parenteral nutrition
#2 rectovaginal OR anovaginal OR vaginal OR enterovesicular OR
enterovesical OR enterourinary OR colovesical OR urinary OR bladder OR internal OR pelvic
#3 fistula OR fistulae
#4 (#2 AND #3)
#5 Crohn’s OR Crohns OR Crohn
#6 (#1 AND #4 AND #5)
