Is There Value in Repeating Inhaled Nitric Oxide Vasoreactivity Tests in Patients with Pulmonary Arterial Hypertension?

ConclusionsPulmonary vascular reactivity to inhaled NO might decrease over time; however, there is great variability among patients. The use of PDE5-inh at first RHC and number of PAH-specific treatments by the second RHC were associated with an improvement in pulmonary vasoreactivity over time.
Source: Lung - Category: Respiratory Medicine Source Type: research