1 in 5 idiopathic pulmonary arterial hypertension patients have >2 year delay in diagnosis

Brown et al report that 21% of patients in the REVEAL registry were diagnosed with IPAH >2 years after the onset of symptoms. Younger patients, and those picking up a diagnosis of obstructive lung disease or sleep apnea along the way, were more likely to have a delay in diagnosis. CHEST 2011;140:19-26.

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