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Microvascular angina (MVA), previously known as cardiac syndrome X, [1] also known as coronary microvascular dysfunction (CMD) or microvascular coronary disease is a type of angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries. [2] [3]
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 ...
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 ...
Microvascular angina is a type of angina pectoris in which chest pain and chest discomfort occur without signs of blockages in the larger coronary arteries of their hearts when an angiogram (coronary angiogram) is being performed. [66] [67] The exact cause of microvascular angina is unknown.
Stable angina is chest pain on exertion that improves with rest. Unstable angina is chest pain that can occur at rest, feels more severe, and/or last longer than stable angina. It is caused by more severe narrowing of the arteries. [9] Heart attack
Increasing age, with the highest risk after ages 45 in men and 55 in women Being assigned male at birth Family history, especially having a genetic disorder called familial hypercholesterolemia
SCAD symptoms are the result of a restriction in the size of the lumen of the affected coronary artery. A bleed within the wall of the artery ( tunica intima ) originating from the microvessels that perfuse this muscular layer ( vasa vasorum ) leads to a collection of blood, or hematoma , between the layers of the artery wall. [ 1 ]
The Kounis syndrome is distinguished from two other causes of coronary artery spasms and symptoms viz., the far more common, non-allergic syndrome, Prinzmetal's angina [4] and eosinophilic coronary periarteritis, an extremely rare disorder caused by extensive eosinophilic infiltration of the adventitia and periadventitia, i.e. the soft tissues ...