Database	Time span	Search strategy
The Cochrane Hepato‐Biliary Group Controlled Trials Register	8 March 2018	((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*)) AND (varic* and (hemorrhag* or Haemorrhage* or bleed* or rebleed*))
Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library	2018, Issue 2	#1 MeSH descriptor: [Portasystemic Shunt, Surgical] explode all trees #2 (portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*) #3  'dean warren shunt*' or H‐shunt* or TIPS or PSS #4  #1 or #2 or #3 #5  MeSH descriptor: [Esophageal and Gastric Varices] explode all trees #6  MeSH descriptor: [Liver Cirrhosis] explode all trees #7  varic* and (h*emorrhag* or bleed* or rebleed*) #8  #5 or #6 or #7 #9  #4 and #8
MEDLINE Ovid	1946 to 8 March 2018	1. exp Portasystemic Shunt, Surgical/ 2. ((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*)).mp. [mp=title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier] 3. ('dean warren shunt*' or H‐shunt* or TIPS or PSS).mp. [mp=title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier] 4. 1 or 2 or 3 5. exp "Esophageal and Gastric Varices"/ 6. exp Liver Cirrhosis/ 7. (varic* and (h*emorrhag* or bleed* or rebleed*)).mp. [mp=title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier] 8. 5 or 6 or 7 9. 4 and 8 10. (random* or blind* or placebo* or meta‐analys*).mp. [mp=title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier] 11. 9 and 10
Embase Ovid	1974 to 8 March 2018	1. exp portosystemic anastomosis/ 2. ((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*)).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword] 3. ('dean warren shunt*' or H‐shunt* or TIPS or PSS).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword] 4. 1 or 2 or 3 5. exp esophagus varices/ 6. exp liver cirrhosis/ 7. (varic* and (h*emorrhag* or bleed* or rebleed*)).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword] 8. 5 or 6 or 7 9. 4 and 8 10. (random* or blind* or placebo* or meta‐analys*).mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword] 11. 9 and 10
Science Citation Index Expanded (Web of Science)	1900 to 8 March 2018	#7 #6 AND #5 #6 TS=(random* or blind* or placebo* or meta‐analys*) #5 #4 AND #3 #4 TS=(varic* and (h*emorrhag* or bleed* or rebleed*)) #3 #2 OR #1 #2 TS=('dean warren shunt*' or H‐shunt* or TIPS or PSS) #1 TS=((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*))
Conference Proceedings Citation Index ‐ Science (Web of Science)	1990 to 8 March 2018	#7 #6 AND #5 #6 TS=(random* or blind* or placebo* or meta‐analys*) #5 #4 AND #3 #4 TS=(varic* and (h*emorrhag* or bleed* or rebleed*)) #3 #2 OR #1 #2 TS=('dean warren shunt*' or H‐shunt* or TIPS or PSS) #1 TS=((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt* or anastomos*))
LILACS (Bireme)	1982 to 8 March 2018	((portosystemic or portasystemic or portacaval or mesocaval or splenorenal or surgical or radiological or intrahepatic or selective or non‐selective or partial or total) and (shunt$ or anastomos$)) [Words] and (dean warren shunt$ or H‐shunt$ or TIPS or PSS) [Words] and (varic$ and (h$morrhag$ or bleed$ or rebleed$)) [Words]