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Identifying and Managing Hibernating Myocardium: What’s New and What Remains Unknown?

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Purpose of ReviewHibernation is an important and reversible cause of myocardial dysfunction in ischaemic heart failure.Recent FindingsHibernation is an adaptive process that promotes myocyte survival over maintaining contractile function. It… Click to show full abstract

Purpose of ReviewHibernation is an important and reversible cause of myocardial dysfunction in ischaemic heart failure.Recent FindingsHibernation is an adaptive process that promotes myocyte survival over maintaining contractile function. It is innate to mammalian physiology, sharing features with physiological hibernation in other species. Advanced imaging methods have reasonable accuracy in identifying hibernating myocardium. Novel superior hybrid methods may provide diagnostic potential. New evidence supports the role of surgical revascularisation in ischaemic heart failure, but the role of viability tests in planning such procedures remains unclear. Research to date has exclusively involved patients with ambulatory heart failure: Investigating the role of hibernation in ADHF is a key avenue for the future.SummaryWhilst our understanding of hibernation pathophysiology has improved dramatically, the clinical utility of identifying and targeting hibernation remains unclear.

Keywords: hibernation; identifying managing; hibernating myocardium; heart failure

Journal Title: Current Heart Failure Reports
Year Published: 2018

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