Adipose Tissue Inflammation in HFpEF

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Heart Failure with preserved Ejection Fraction (HFpEF) is a growing public health concern with an increasing incidence, high morbidity and mortality and no proven therapy to date. Better characterization of individual pathophysiological implications is mandatory to develop effective therapeutic stra...

Heart Failure with preserved Ejection Fraction (HFpEF) is a growing public health concern with an increasing incidence, high morbidity and mortality and no proven therapy to date. Better characterization of individual pathophysiological implications is mandatory to develop effective therapeutic strategies or preventive programs. Obesity is an important risk factor for the development of HFpEF and also modulates its course possibly by its association with systemic inflammation. However, the role of adipose tissue (AT) inflammation in the development, maintenance and functional impairments in HFpEF has been under-investigated. Dysfunctional AT leads to a shift from a protective adipokine profile to an imbalanced production of pro-inflammatory, pro-oxidant and pro-fibrotic adipokines. Besides depot specific paracrine effects, the overall secretory activity or endocrine effect of AT can be evaluated in peripheral plasma. The investigators hypothesize that adipose inflammation distinguishes obese HFpEF patients from obese patients without heart failure and that adipose tissue inflammation is a key driver the maintenance and development of HFpEF and determines functional capacity. In addition the investigators hypothesize that the degree of myocardial inflammatory alterations is more closely related to epicardial tissue alterations than subcutaneous or visceral AT tissue inflammation or peripheral adipokine profiles.

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