Why the study?
Does continuous positive airway pressure (CPAP) reduce cardiac volumes differently in patients with congestive heart failure due to ischemic versus idiopathic dilated cardiomyopathy?
Does continuous positive airway pressure (CPAP) reduce cardiac volumes differently in patients with congestive heart failure due to ischemic versus idiopathic dilated cardiomyopathy?
Short-term CPAP application significantly reduces right ventricular volumes in heart failure patients with idiopathic dilated cardiomyopathy, but not in those with ischemic cardiomyopathy.
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Greater CPAP-associated RV volume reduction in idiopathic versus ischemic cardiomyopathy; hypothesis-generating and should not yet change practice.
Mehta et al. (2000) studied this question.