Efficacy of Sildenafil in Patients with Severe COVID-19 and Pulmonary Arterial Hypertension
Description
Pulmonary arterial hypertension (PAH) is common in severe coronavirus disease 2019 (COVID-19) and worsens the prognosis. Sildenafil, a phosphodiesterase-5 inhibitor, is approved for PAH treatment but little is known about its efficacy in cases of
