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Coronary Angiography Studies

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CAAs finding has significantly increased after coronary angiography diffusion since previous studies were conducted only postmortem [2, 29]. The technological improvements of computed tomography have declared it as a powerful tool for coronary diseases detection such as CAAs. An appropriate imaging assessment should provide a correct identification of aneurysms, in particular number, location, shape, size, intraluminal thrombi, occlusions and associated stenoses [17]. Kanamaru and colleagues [22] demonstrated that CTCA has a 100% sensitivity in CAAs detection; a 87.5% sensitivity and a 92.5% specificity were found for significant coronary artery stenoses and occlusions detection. To date, no data are available about CAAs evaluated by CTCA from…show more content…
CAAs have a varied etiology: atherosclerotic is the most common cause in fact 50% of CAAs are ascribed to CAD while 20-30% are considered to be congenital and only 10-20% are considered associated to inflammatory or connective tissue diseases [30]; in our population, CAAs were associated to atherosclerosis in 55.5% of the cases and to a connective tissue disease in 11.1% of the cases; no aneurysm was caused by previous surgical procedures. CAAs can have several clinical manifestation since some patients are asymptomatic but others refer anginal pain [11]; in our case, 77.7% of the patients were asymptomatic and 22.3% had atypical chest pain. RCA is the most affected vessel (40-61%), as demonstrated by several authors [3, 10, 16, 17, 24, 29], followed by LAD (15-32%) and CX (15-23%) while LM involvement is very rare; our results, in agreement with these findings, showed that CAAs for 60% were located on RCA, for 20% on LAD and for 20% on CX, no aneurysm was found on LM. In 66.7% of the cases CTCA revealed intraluminal thrombi displaying its advantages on coronary angiography [1] (see
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