CPAP adherence is associated with reduced inpatient utilization among older adult Medicare beneficiaries with pre-existing cardiovascular disease CPAP adherence is associated with reduced inpatient utilization among older adult Medicare beneficiaries with pre-existing cardiovascular disease Download Contribution of hypercapnia to cognitive impairment in severe sleep-disordered breathing Diagnosis and management of sleep apnea by a clinical nurse: a noninferiority randomized clinical trial