期刊
JOURNAL OF THORACIC IMAGING
卷 36, 期 3, 页码 149-161出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RTI.0000000000000583
关键词
pericoronary adipose tissue; computed tomography attenuation; atherosclerosis; inflammation; computed tomography imaging
资金
- National Institute of Health/National Heart, Lung, and Blood Institute [1R01HL133616, 1R01HL148787-01A1]
- Bundesministerium fur Bildung und Forschung [01EX1012B]
- German Heart Foundation e.v.
Modern coronary computed tomography angiography is crucial for visualizing the epicardial and pericoronary adipose tissue, which play a significant role in the pathogenesis of coronary artery disease.
Modern coronary computed tomography angiography (CTA) is the gold standard to visualize the epicardial adipose tissue (EAT) and pericoronary adipose tissue (PCAT). The EAT is a metabolic active fat depot enclosed by the visceral pericardium and surrounds the coronary arteries. In disease states with increased EAT volume and dysfunctional adipocytes, EAT secretes an increased amount of adipocytokines and the resulting imbalance of proinflammatory and anti-inflammatory mediators potentially causes atherogenic effects on the coronary vessel wall in a paracrine way (outside-to-inside signaling). These EAT-induced atherogenic effects are reported to increase the risk for the development of coronary artery disease, myocardial ischemia, high-risk plaque features, and future major adverse cardiac events. Coronary inflammation plays a key role in the development and progression of coronary artery disease; however, its noninvasive detection remains challenging. In future, this clinical dilemma might be changed by the CTA-derived analysis of the PCAT. On the basis of the concept of an inside-to-outside signaling between the inflamed coronary vessel wall and the surrounding PCAT recent evidence demonstrates that PCAT computed tomography attenuation especially around the right coronary artery derived from routine CTA is a promising imaging biomarker and sensor to noninvasively detect coronary inflammation. This review summarizes the biological and technical principles of CTA-derived PCAT analysis and highlights its clinical implications to improve modern cardiovascular prevention strategies.
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