Available studies were screened using the Covidence software, and demographic as well as outcome data were extracted from the final studies. 
Covidence
A search was performed using the keyword "tourniquet" in EmBase and as a MeSH term in PubMed, and no limitations (including language) were applied. 
EmBase
A search was performed using the keyword "tourniquet" in EmBase and as a MeSH term in PubMed, and no limitations (including language) were applied. 
PubMed