Screening
There is evidence that central sleep apnoea (CSA) with Cheyne-Stokes breathing (CSB), when present in patients with heart failure, portends a poorer prognosis.[6][41] There is also growing evidence that treatment with effective continuous positive airway pressure improves cardiac function and quality of life; however, survival benefits remain equivocal.[22][42][43] Although limited evidence exists regarding the best screening method to detect CSA, some centres may recommend screening patients with congestive heart failure or cerebrovascular accidents for CSA-CSB using continuous overnight ambulatory oximetry, or home sleep apnoea testing (Level III).
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