Clinical and procedural outcomes of IVUS-guided versus angiography-guided PCI in unprotected left main coronary disease: An updated meta-analysis of randomized controlled trials.
BACKGROUND The clinical benefit of intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) in patients with unprotected left main coronary artery disease (ULMCAD) remains uncertain. We performed an updated meta-analysis of randomized controlled trials (RCTs) comparing IVUS-guided versus angiogra...