Intervention not reportedChange in Exercise Capacity (6MWD) · Adults (>18 years) with pulmonary hypertension of varied aetiology (PAH, CTEPH and left heart disease)1 finding from 1 reviewGuanylate cyclase stimulators for pulmonary hypertension 2016 · Cochrane Headline outcomes onlyno estimate extracted2 studies · 398 participantsVery low