منابع مشابه
No - Reflow
A. DEFINITION. The no-reflow phenomenon was originally observed in experimental models of acute myocardial infarction (MI) and was described as a failure to restore normal myocardial blood flow despite removal of the coronary obstruction. Since that time, no-reflow has been shown to complicate thrombolytic therapy and percutaneous revascularization with PTCA and other devices. Defined angiograp...
متن کاملNo-reflow phenomenon.
To the Editor: In reviewing no-reflow, Rezkalla and Kloner1 indicted injuryinduced microvascular changes, but did not mention spasm of resistance vessels, which might be the basic mechanism of no-reflow. I proposed in 1971 that no-reflow (“stasis”) is due to ischemic injury-induced spasm, and the evidence seemed convincing.2 Short coronary occlusions reversed no-reflow, and this was interpreted...
متن کامل'No-reflow' phenomenon.
A 57-year-old man presented with new anginal symptoms nine years after three-vessel coronary artery bypass grafting. Cardiac catherization revealed severely and diffusely diseased saphenous vein graft to the obtuse marginal coronary artery. Percutaneous coronary intervention was complicated by the ‘no-reflow’ phenomenon. The patient suffered a periprocedural myocardial infarction (peak troponin...
متن کاملNo-reflow phenomenon.
Because total coronary artery occlusion was found in the early hours of transmural myocardial infarction, most of our research interest and treatment strategies focus on epicardial coronary arteries.1 Little attention, however, is paid to the coronary microvasculature. When a coronary artery is occluded, detrimental changes occur in the cardiac capillaries and arterioles. After relief of the oc...
متن کاملMyocardial no-reflow in humans.
In a variable proportion of patients presenting with ST-segment elevation myocardial infarction, ranging from 5% to 50%, primary percutaneous coronary intervention achieves epicardial coronary artery reperfusion but not myocardial reperfusion, a condition known as no-reflow. Of note, no-reflow is associated with a worse prognosis at follow-up. The phenomenon has a multifactorial pathogenesis in...
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ژورنال
عنوان ژورنال: Angiology
سال: 2019
ISSN: 0003-3197,1940-1574
DOI: 10.1177/0003319719863996