The effect of intracoronary administration of ergonovine on the contralateral coronary artery in a provocation test for the diagnosis of variant angina

摘要

Background Little is known about the effects of selective intracoronary administration of ergonovine into a coronary artery on the artery on the other side. This study aimed to evaluate the effect of intracoronarily administered ergonovine on the contralateral coronary artery.