نتایج جستجو برای: coronary occlusion
تعداد نتایج: 238851 فیلتر نتایج به سال:
AIMS Inflammation plays a key role in acute coronary syndromes (ACS). Toll-like receptors (TLR) on leucocytes mediate inflammation and immune responses. We characterized leucocytes and TLR expression within coronary thrombi and compared cytokine levels from the site of coronary occlusion with aortic blood (AB) in ACS patients. METHODS AND RESULTS In 18 ACS patients, thrombi were collected by ...
Nitroglycerin (TNG) reduces ischemic injury during acute coronary occlusion in dogs with otherwise normal coronary arteries, but its effect in the presence of pre-existing multivessel coronary disease is unknown. We therefore examined the influence of TNG on acute ischemia in dogs with chronic multivessel coronary occlusions. The left anterior descending (LAD) coronary artery was acutely occlud...
Nitroglycerin (TNG) reduces ischemic injury during acute coronary occlusion in dogs with otherwise normal coronary arteries, but its effect in the presence of pre-existing multivessel coronary disease is unknown. We therefore examined the influence of TNG on acute ischemia in dogs with chronic multivessel coronary occlusions. The left anterior descending (LAD) coronary artery was acutely occl...
Coronary angiography demonstrates only collateral arteries that are already in use (spontaneously visible collaterals). Percutaneous transluminal coronary angioplasty (PTCA) provides an opportunity to uncover collaterals ready to become functional in case of occlusion of the recipient artery (recruitable collaterals). The incidence of recruitable collaterals and their relation to the distal pre...
Little is known of the functional capacity of coronary collaterals in humans without occlusive coronary artery disease. We, therefore, measured peripheral coronary pressure (PCP) and retrograde flow (RF) from coronary arteries at aortic valve replacement in seven patients without occlusive coronary artery disease. Using a T-connection interposed in left (LCA) and right (RCA) coronary perfusion ...
The present study was designed to evaluate the ability of magnesium sulfate (30 mg/kg, iv, 24 hr and 2 hr prior) to limit myocardial infarct size following permanent left coronary artery occlusion in adult mongrel dogs. Non-perfused myocardium which is the area at risk was visualised by injecting methylene blue intraatrially, 24 hr after coronary artery occlusion. The infarcted myocardium was v...
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