Type of studies: We have included parallel arm individual randomized, quasi-randomized, or cluster RCTs, prospective or retrospective observational studies for the current review. Only published full-text articles or abstracts were eligible for inclusion, while unpublished studies/gray literature were excluded.
Type of participants: Studies including patients undergoing PCI in SVG were included.
Type of intervention: Studies reporting outcomes separately for the use and non-use of EPD for PCI in SVG were included in our analysis.
Type of outcome measure:
Mortality
TVR
Periprocedural MI
Late MI
MACE
We have included studies reporting any of the above-mentioned outcomes in both groups.
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