Impact of prior cerebrovascular events on patients with unprotected left main coronary artery disease treated with coronary artery bypass grafting or percutaneous coronary intervention

Treatment of unprotected left main coronary artery(ULMCA)disease with coronary artery bypass grafting(CABG)or percutaneous coronary intervention(PCI)has developed rapidly during the past decades.The optimal revascularization strategy has been a subject of debate,with several randomized controlled trials and metaanalyses comparing outcomes of CABG and PCI.