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Cardiac MRI can be used to diagnose microvascular angina. Studies are ongoing to validate this approach. There is growing evidence that microvascular angina is caused by a functional disorder of the microvessels, coronary microvascular dysfunction (CMD). Blood vessels either fail to dilate or constrict in response to various stressors such as ...
Microangiopathy (also known as microvascular disease, small vessel disease (SVD) or microvascular dysfunction) is a disease of the microvessels, small blood vessels in the microcirculation. [1] It can be contrasted to macroangiopathies such as atherosclerosis , where large and medium-sized arteries (e.g., aorta , carotid and coronary arteries ...
It is primarily seen during percutaneous coronary intervention (PCI) in the setting of acute myocardial infarction (AMI), but has also been observed in other organs, including the brain and kidneys. [1] Coronary no-reflow phenomenon is specifically related to reduced antegrade coronary blood flow despite proximal coronary artery patency.
Examples of conditions in which CMR is often used include tetralogy of Fallot, transposition of the great arteries, coarctation of the aorta, single ventricle heart disease, abnormalities of the pulmonary veins, atrial septal defect, connective tissue diseases such as Marfan syndrome, vascular rings, abnormal origins of the coronary arteries ...
It is commonly used to evaluate patients who have, or are suspected to have, coronary artery disease and is additionally used for myocardial perfusion imaging. [23] The accuracy of the test depends on the technical quality of the study, and interpreting the results requires knowledge of the physics and technical aspects of the procedure.
Studies, including the Women's Ischemia Syndrome Evaluation (WISE), suggest that microvascular angina is part of the pathophysiology of ischemic heart disease, perhaps explaining the higher rates of angina in females than in males, as well as their predilection towards ischemia and acute coronary syndromes in the absence of obstructive coronary ...
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