CRT-167 The Impact of Multivessel Versus Single Vessel Spasm as Assessed by the Intracoronary Acetylcholine Provocation Test on 3 Years Clinical Outcomes in Korean Patients

Coronary artery spasm (CAS) is known to be a major cause of myocardial ischemia. Multivessel coronary artery spasm (MVS) is likely to induce more severe and prolonged myocardial ischemia than single vessel spasm (SVS). The aim of this study is to evaluate the impact of MVS vs. SVS as assessed by the