Standardization of diagnostic criteria for ischemic symptoms due to coronary microvascular
dysfunction (CMD) is needed for further investigation of patients presenting with anginal …

Angiographic severity of coronary artery stenosis has historically been the primary guide to
revascularization or medical management of coronary artery disease. However, physiologic …

Background—Coronary flow reserve (CFR), an integrated measure of focal, diffuse, and
small-vessel coronary artery disease (CAD), identifies patients at risk for cardiac death. We …

Background—Quantitative flow ratio (QFR) is a novel diagnostic modality for functional
testing of coronary artery stenosis without the use of pressure wires and induction of …

Objectives: This study sought to assess the efficacy and safety of a drug-coated balloon
(DCB) strategy versus drug-eluting stent (DES) in primary percutaneous coronary …

BACKGROUND Precise knowledge of the expected" normal" lumen diameter at a given
coronary anatomic location is a first step toward develo** a quantitative estimate of …

Background Coronary calcium identified by electron-beam computed tomography (EBCT)
correlates poorly with luminal atherosclerotic narrowing, but calcium, an intimate part of …

The ACC/AHA Task Force on Practice Guidelines herein revises and updates the original
“Guidelines for Coronary Angiography,” published in 1987 (1). The frequent and still …

Aims The present analysis addresses the potential clinical and physiologic significance of
discordance in severity of coronary artery disease between the angiogram and fractional …

To help determine if coronary angiography can predict the site of a future coronary occlusion
that will produce a myocardial infarction, the coronary angiograms of 42 consecutive …