ACE and pulmonary arterial hypertension: Nonsurvivors (n = 20) were older with a more frequent history of end‐stage renal disease (ESRD), PAH, and less angiotensin‐converting enzyme inhibitors/angiotensin II receptor blocker (ACEI/ARB) prescriptions and had significantly higher NT‐pro‐BNP and NYHA functional class compared with survivors during the tracking period (p < 0.05) (Table 1).