ST elevation after intracoronary administration of Papaverine for fractional flow reserve estimation
نویسندگان
چکیده
منابع مشابه
CORONARY 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...
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BACKGROUND Measurement of fractional flow reserve (FFR) constitutes the current gold standard to evaluate the hemodynamic significance of coronary stenoses. Limited data validate the intracoronary application of adenosine against standard intravenous infusion. We systematically compared FFR measurements during intracoronary and intravenous application of adenosine about agreement and reproducib...
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Primary percutaneous coronary intervention (PCI) is now the preferred method of treating patients with STelevation myocardial infarction (STEMI). Despite restoration of epicardial flow, microvascular obstruction may persist after primary PCI as a result of both atheromatous and thrombotic embolization, neutrophil plugging, edema, and vasospasm.1–3 Therefore, studies such as the one by Thiele et...
متن کاملIntracoronary electrocardiogram ST segment shift evaluation during intravenous adenosine infusion: a comparison with fractional flow reserve.
BACKGROUND By measuring the pressure decline caused by coronary narrowing, fractional flow reserve (FFR) is an index of the physiological significance of a vessel stenosis. Intracoronary electrocardiogram (IC-ECG) recording from an angioplasty guidewire is more sensitive than standard ECG in detecting regional myocardial ischemia. The aim of the study was to assess if unipolar IC-ECG ST segment...
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OBJECTIVES The aim of this study was to study whether there is a difference in benefit of fractional flow reserve (FFR) guidance for percutaneous coronary intervention (PCI) in multivessel coronary disease in patients with unstable angina (UA) or non-ST-segment elevation myocardial infarction (NSTEMI), compared with stable angina (SA). BACKGROUND The use of FFR to guide PCI has been well esta...
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ژورنال
عنوان ژورنال: Indian Heart Journal
سال: 2014
ISSN: 0019-4832
DOI: 10.1016/j.ihj.2014.03.004