期刊
ANAESTHESIOLOGY INTENSIVE THERAPY
卷 55, 期 3, 页码 141-157出版社
TERMEDIA PUBLISHING HOUSE LTD
DOI: 10.5114/ait.2023.130922
关键词
atrial fibrillation; biomarker; critically ill patients; clinical outcomes; computed tomography; coronary artery disease; heart failure; major adverse cardiovascular events; epicardial adipose tissue
Over the last two decades, the potential role of epicardial adipocyte tissue (EAT) as a marker for major adverse cardiovascular events has been extensively studied. EAT, unlike other visceral adipocyte tissues, shares the same microcirculation with the myocardium and secretes adipocytokines that directly interact with the heart. This article discusses the three available imaging modalities for evaluating EAT and summarizes the current knowledge on its association with coronary artery disease, high-risk plaque features, atrial fibrillation, aortic stenosis, mitral annular calcification, and heart failure. The potential role of EAT in critically ill patients admitted to the intensive care unit is also discussed.
Over the last two decades, the potential role of epicardial adipocyte tissue (EAT) as a marker for major adverse cardiovascular events has been extensively studied. Unlike other visceral adipocyte tissues (VAT), EAT is not separated from the adjacent myocardium by a fascial layer and shares the same microcirculation with the myocardium. Adipocytokines, secreted by EAT, interact directly with the myocardium through paracrine and vasocrine pathways. The role of the Randle cycle, linking VAT accumulation to insulin resistance, and the relevance of blood flow and mitochondrial function of VAT, are briefly discussed. The three available imaging modalities for the assessment of EAT are discussed. The advantages of echocardiography, cardiac CT, and cardiac magnetic resonance (CMR) are compared. The last section summarises the current stage of knowledge on EAT as a clinical marker for major adverse cardiovascular events (MACE). The association between EAT volume and coronary artery disease (CAD) has robustly been validated. There is growing evidence that EAT volume is associated with computed tomography coronary angiography (CTCA) assessed high-risk plaque features. The EAT CT attenuation coefficient predicts coronary events. Many studies have established EAT volume as a predictor of atrial fibrillation after cardiac surgery. Moreover, EAT thickness has been independently associated with severe aortic stenosis and mitral annular calcification. Studies have demonstrated that EAT volume is associated with heart failure. Finally, we discuss the potential role of EAT in critically ill patients admitted to the intensive care unit. In conclusion, EAT seems to be a promising new biomarker to predict MACE.
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