Open Access

ARTICLE

Phosphodiesterase type 5 inhibitors improve microvascular dysfunction markers in pulmonary arterial hypertension associated with congenital heart disease

Mariana M. Clavé¹, Nair Y. Maeda², Ana M. Thomaz¹, Sergio P. Bydlowski³, Antonio A. Lopes¹

1 Heart Institute, University of São Paulo School of Medicine, São Paulo, Brazil
2 Pró‐Sangue Foundation, São Paulo, Brazil
3 LIM‐31, University of São Paulo School of Medicine, São Paulo, Brazil

* Corresponding Author: Antonio A. Lopes, MD, PhD, FAHA, FPVRI, Department of Pediatric Cardiology and Adult Congenital Heart Disease, Heart Institute (InCor), University of São Paulo School of Medicine, Av. Dr. Enéas de Carvalho Aguiar, 44, 05403‐000, São Paulo, Brazil. Email: