Chronic heart failure (CHF) is a life-threatening disease with decreased long-term quality of life. Sleep-disordered breathing (SDB), which occurs in approximately 46%–81% of adults with CHF, is associated with exacerbation and worse prognosis of CHF. Positive airway pressure treatment of SDB in patients with heart failure may improve the apnea-hypopnea index(AHI),cardiac function,quality of life,and heart transplant–free survival.Symptoms and characteristics of SDB, such as daytime sleepiness and obesity, are often absent in adults with CHF. Therefore, performing sleep testing to diagnose SDB is important for CHF management.
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