Heart Failure Clinical Trial
Official title:
Functional and Metabolic Effects of Ketone Bodies on Human Atrial Tissue in Patients With and Without Heart Failure
This proof of concept study aims to evaluate the effects of applying ketone bodies to human atrial tissue biopsies using an atrial strips model and high resolution respirometry.
Ketone bodies are high energy molecules which are naturally occurring in the body during
fasting or stress.
Recently, ketone bodies have been shown to improve cardiac function in patients with heart
failure(1) through a mechanism, which has yet to be elaborated.
We wish to evaluate the effects of ketone body administration on cardiac tissue subjected to
ischemia reperfusion injury. We will evaluate contractile force of the and the mitochondrial
performance. Cardiac atrial tissue will be obtained from patients undergoing coronary artery
bypass grafting (CABG) or valve replacement surgery. Patients will be recruited after signing
an informed consent and allocated in heart failure / non-heart failure groups based on a
clinical evaluation.
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