Value of heart rate recovery in female patients with pulmonary arterial hypertension due to systemic lupus erythematosus

Objective This study intended to explore the relation between heart rate recovery at 1 minutes (HRR1) during the recovery phase of cardiopulmonary exercise test (CPET) and exercise capacity in female systemic lupus erythematosus associated pulmonary arterial hypertension (SLE‐PAH) patients. Methods Twenty‐one female SLE‐PAH patients underwent right heart catheterization (RHC), pulmonary function test (PFT) and CPET. Forty‐two healthy subjects...