Review Article

Cyanoacrylate Injection Compared with Band Ligation for Acute Gastric Variceal Hemorrhage: A Meta-Analysis of Randomized Controlled Trials and Observational Studies

Table 5


DatabaseSearch strategy

MEDLINE#1 (Ligation) OR (band* or ligat*)
#2 (N-butyl-2-cyanoacrylate) OR cyanoacrylate
#3 ((((Gastric Varices) OR gastric varic*) OR (portal hypertension* or cirrho*)) OR Liver-Cirrhosis) OR hypertension-portal
#4 #1 AND #2 AND #3

EMBASE#1 exp LIGATION/
#2 (band* or ligat*). mp. [mp = title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword]
#3 1 or 2
#4 exp cyanoacrylate/
#5 exp N-butyl-2-cyanoacrylate/
#6 (cyanoacrylate or N-butyl-2-cyanoacrylate). mp. [mp = title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword]
#7 4 or 5 or 6
#8 exp gastric varices/
#9 (gastric and varic*). mp. [mp = title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword]
#10 exp portal-hypertension/
#11 exp liver-cirrhosis/
#12 (portal hypertension* or cirrho*). mp. [mp = title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword]
#13 8 or 9 or 10 or 11 or 12
#14 3 and 7 and 13

Cochrane Library#1 MeSH descriptor Ligation explode all trees
#2 band* or ligat*
#3 MeSH descriptor Cyanoacrylate explode all trees
#4 cyanoacrylate or N-butyl-2-cyanoacrylate
#5 MeSH descriptor Gastric Varices explode all trees
#6 gastric varic*
#7 MeSH descriptor Hypertension, Portal explode all trees
#8 MeSH descriptor Liver Cirrhosis explode all trees
#9 portal hypertension* or cirrho*
#10 (#1 or #2)
#11 (#3 or #4)
#12 (#5 or #6 or #7 or #8 or #9)
#13 (#10 and #11 and #12)

Google Scholar“cyanoacrylate” AND “band ligation” AND “gastric varices” AND “cirrhosis”