Coronary Flow Capacity to Identify Stenosis Associated With Coronary Flow Improvement After Revascularization: A Combined Analysis From DEFINE FLOW and IDEAL
نویسندگان
چکیده
منابع مشابه
Fractional flow reserve to guide coronary revascularization.
Fractional flow reserve (FFR) has become an increasingly important index for decision making with respect to revascularization of coronary artery stenosis. It is the gold standard to indicate whether a particular stenosis is responsible for inducible ischemia and it is generally accepted that a stenosis with an ischemic value of FFR is responsible for angina pectoris and a worse outcome, and sh...
متن کاملCoronary flow and physiology beyond the stenosis
Blood flow in the coronary circulation is normally well regulated and able to meet even strenuous demand. The presence of an epicardial stenosis poses multiple challenges for safeguarding coronary blood flow and myocardial perfusion, which is further exacerbated by the concurrent presence of microvascular disease. The ability to adjust flow adequately during physiological stress is compromised ...
متن کاملCORONARY FLOW RESERVE Intracoronary papaverine : an ideal
An ideal coronary vasodilator for studying coronary flow reserve in humans would rapidly produce maximal coronary vasodilation, be short acting to permit repeated measurements, and not alter systemic hemodynamics. The two commonly used vasodilators (dipyridamole and meglumine diatrizoate) do not satisfy these criteria; meglumine diatrizoate does not produce maximal hyperemia and dipyridamole ha...
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 کاملFlow velocity and predictors of a suboptimal coronary flow velocity reserve after coronary balloon angioplasty.
AIMS This study was conducted to analyse flow velocity parameters and predictors of a suboptimal coronary flow reserve (<2.5) following balloon angioplasty. METHODS Two hundred and twenty-five patients underwent sequential intracoronary Doppler as part of the DEBATE I study. Of these, 183, with complete angiography and Doppler at the 6-month follow-up, were included. Univariate and multivaria...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the American Heart Association
سال: 2020
ISSN: 2047-9980
DOI: 10.1161/jaha.120.016130