THE SLOW CORONARY FLOW PHENOMENON IS NOT A GOOD PREDICTOR OF CORONARY MICROCIRCULATORY DYSFUNCTION AS ASSESSED BY ABSOLUTE CORONARY FLOW RESERVE IN PATIENTS WITH ANGIOGRAPHICALLY NORMAL CORONARY ARTERIES
نویسندگان
چکیده
منابع مشابه
Mechanisms of coronary microcirculatory dysfunction in patients with aortic stenosis and angiographically normal coronary arteries.
BACKGROUND Development of left ventricular hypertrophy in aortic stenosis (AS) is accompanied by coronary microcirculatory dysfunction, demonstrated by an impaired coronary vasodilator reserve (CVR). However, evidence for regional abnormalities in myocardial blood flow (MBF) and the potential mechanisms is limited. The aims of this study were to quantitatively demonstrate differences in subendo...
متن کاملEvaluation of Electrocardiogram Changes in Patients with Slow Coronary Flow
Background: Slow coronary flow (SCF) is defined as a condition in which in spite of no evidence of coronary occlusion or stenosis in angiography, there is delayed pacification of the vessels after the injection of a contrast agent. There are several studies about electrocardiogram (ECG) changes in these patients, but changes like OLD MI, RBBB, LBBB, LVH and ST-T wave have not b...
متن کاملPredictors of slow flow in angiographically normal coronary arteries.
INTRODUCTION Slow coronary flow (SCF) is a well-known angiographic finding; however, the pathophysiology of SCF remains only partially understood. In this study, we have examined the risk factors of slow coronary flow. METHODS Seventy patients with angiographically proven SCF were studied along with 60 control participants. Patients were divided into 2 groups based on the angiographic finding...
متن کاملAbnormal coronary vasomotion during exercise in patients with normal coronary arteries and reduced coronary flow reserve.
A reduced coronary flow reserve has been reported in patients with ischemialike symptoms and normal coronary arteries. In 13 such patients, both coronary vasomotion and flow reserve were studied. The luminal area of the proximal and distal third of the left anterior descending and left circumflex artery were determined by biplane quantitative coronary arteriography using a computer-assisted sys...
متن کاملCoronary flow reserve of the angiographically normal left anterior descending coronary artery in patients with remote coronary artery disease.
Coronary artery disease (CAD) has been suggested to alter coronary flow reserve (CFR; the ratio between hyperemic and baseline coronary flow velocities) not only in territories supplied by stenotic arteries but also in angiographically normal, remote regions. However, few data exist regarding the left anterior descending (LAD) coronary artery as the normal index artery. The influence of remote ...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2012
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(12)61486-7