Abstract
Heart failure (HF) is a clinical syndrome that involves structural changes in the heart, leading to a decrease in cardiac output, mainly caused by myocardial infarction (MI), which is the most common form of cardiovascular disease worldwide. Clinical evaluation remains the most accurate diagnostic method for ischemic HF, since the known biomarkers have high cost, are difficult to use for early diagnosis, and have low specificity. This often leads to late diagnosis since only ~ 25% symptoms of HF appear after MI. Studies suggest that small non-coding RNAs (miRNAs) play an important role in the regulation of this pathophysiological process and are, therefore, important targets in the discovery of non-invasive biomarkers for HF. Thus, the aim of this review was to identify circulating miRNAs (plasma, serum, and whole blood) described for post-MI HF patients. This review covered 19 experimental studies on humans, which investigated the relationship between circulating miRNAs and the development, monitoring, or prognosis of ischemic HF. This analysis was aimed at proposing potential targets for HF and the future application of miRNAs as HF biomarkers.
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