Prognostic value of acute vasodilator response in pulmonary arterial hypertension: beyond the "classic" responders.


BACKGROUND A "classic" response to acute vasodilator testing (drop of >10 mm Hg in mean pulmonary artery pressure [mPAP] to <40 mm Hg) confers an excellent prognosis in patients with idiopathic pulmonary arterial hypertension (IPAH) and identifies candidates for treatment with calcium channel blockers (CCB). Little is known about vasodilator responsiveness… (More)
DOI: 10.1016/j.healun.2014.10.003


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