Abstract:
:Anatomical evidence in several species shows highly heterogeneous fat distribution in the atrial and ventricular myocardium. Atrial appendages have fat deposits, and more so on the posterior left atrium. Although such fat distributions are considered normal, fatty infiltration is regarded arrhythmogenic, and various cardiac pathophysiological conditions show excess myocardial fat deposits, especially in the epicardium. Hypotheses have been presented for the physiological and pathophysiological roles of epicardial fat, however this issue is poorly understood. Therefore, this mini-review will focus on epicardial fat distribution and the (patho)-physiological implications of this distribution. Potential molecular mechanisms that may drive structural and electrical myocardial remodeling attendant to fatty infiltration of the heart are also reviewed.
journal_name
Front Physioljournal_title
Frontiers in physiologyauthors
Anumonwo JMB,Herron Tdoi
10.3389/fphys.2018.00002subject
Has Abstractpub_date
2018-01-22 00:00:00pages
2issn
1664-042Xjournal_volume
9pub_type
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