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Inhaled nitric oxide in primary pulmonary hypertension

A safe and effective agent for predicting response to nifedipine

^a Division of Cardiology, University of Michigan, Ann Arbor, Michigan, USA
^b Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan, USA

View larger version (14K): [in a new window]   Figure 1 A plot of the reduction in pulmonary vascular resistance (PVR) with NO and nifedipine is shown. The three patients with nifedipine hypotension were assigned PVR reduction of 0% (i.e., fixed PVR).