Appendix 1. Search Strategies

The Cochrane Library :

 #1 MeSH descriptor Colonic Pseudo‐Obstruction explode all trees 6

#2 (large bowel obstruction*) or (colonic obstruction*) or (colonic pseudo‐obstruction) or (ACPO) or (Ogilvie syndrome) 206

#3 (#1 OR #2) 206

#4 (colorectal stent*) or (colon stent*) 31

#5 MeSH descriptor Stents explode all trees 1856

#6 (#4 OR #5) 1871

#7 (#3 AND #6) 17

EMBASE (Webspirs 5.1, Silver Platter version 2.0)

#25 #7 and #24 43  

 #24 #19 not #23 1822036  

#23 #21 not #22 2789434  

#22 #20 and #21 521969  

#21 (ANIMAL or NONHUMAN) in DER 3311403  

#20 HUMAN in DER 6212409   

#19 #16 or #17 or #18 2899291  

#18 (SINGL* or DOUBL* or TREBL* or TRIPL*) near ((BLIND* or MASK*) in TI,AB) 90780  

#17 (RANDOM* or CROSS?OVER* or FACTORIAL* or PLACEBO* or VOLUNTEER*) in TI,AB 506486  

#16 #8 or #9 or #10 or #11 or #12 or #13 or #14 or #15 2693779  

#15 "SINGLE‐BLIND‐PROCEDURE"/ all subheadings 7374  

#14 "DOUBLE‐BLIND‐PROCEDURE"/ all subheadings 68332  

#13 "PHASE‐4‐CLINICAL‐TRIAL"/ all subheadings 640  

#12 "PHASE‐3‐CLINICAL‐TRIAL"/ all subheadings 7961  

#11 "MULTICENTER‐STUDY"/ all subheadings 42285  

#10 "CONTROLLED‐STUDY"/ all subheadings 2660891  

#9 "RANDOMIZATION"/ all subheadings 25244  

#8 "RANDOMIZED‐CONTROLLED‐TRIAL"/ all subheadings 155222   

#7 #3 and #6 138   

#6 #4 or #5 35019  

#5 explode "stent‐" / all SUBHEADINGS in DEM,DER,DRM,DRR 35018  

#4 (colorectal stent*) or (colon stent*) 47   

#3 #1 or #2 1030  

#2 explode "Ogilvie‐syndrome" / all SUBHEADINGS in DEM,DER,DRM,DRR 288  

#1 (large bowel obstruction*) or (colonic obstruction*) or (colonic pseudo‐obstruction) or (ACPO) or (Ogilvie syndrome) 1030  

MEDLINE (Webspirs 5.1, Silver Platter version 2.0)

 #18 #7 and #17 6   

#17 #15 and #16 527089  

#16 tg=humans 10059983  

#15 #8 or #9 or #10 or #11 or #12 or #13 or #14 606142  

#14 trial in ti 74607  

#13 randomly in AB 131362  

#12 "Clinical‐Trials‐as‐Topic" / all SUBHEADINGS in MIME,MJME,PT 134901  

#11 placebo in AB 108580  

#10 randomized in AB 173544  

#9 controlled‐clinical‐trial in pt 76495  

#8 randomized‐controlled‐trial in pt 250518   

#7 #3 and #6 134   

#6 #4 or #5 29826  

#5 explode "Stents‐" / all SUBHEADINGS in MIME,MJME,PT 29820  

#4 (colorectal stent*) or (colon stent*) 43   

#3 #1 or #2 1443  

#2 explode "Colonic‐Pseudo‐Obstruction" / all SUBHEADINGS in MIME,MJME,PT 474  

#1 (large bowel obstruction*) or (colonic obstruction*) or (colonic pseudo‐obstruction) or (ACPO) or (Ogilvie syndrome) 1443