Sleep-disordered breathing (SDB) is highly prevalent in heart failure (HF). The presence of SDB in patients with HF appears to be associated with increased risk of cardiovascular morbidity and mortality. In this article, we describe the types, pathophysiology, and consequences of SDB and discuss ways in which SDB can be diagnosed. We also lay emphasis on the recent randomized controlled trials that have had a major impact on how SDB is managed and highlight the complex relationship between SDB and outcomes.
Keywords: Adaptive servo-ventilation; CPAP; Heart failure; Sleep apnea.
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