Serum aquaporin-1 increases with heart failure and aortic valve surgery with cardiopulmonary bypass

María Teresa Politi, Mailén Blanco, Sebastián Raúl Fonseca, Raúl Ferreyra, Guillermo Bortman, Antonio Piazza, Gisela Di Giusto, Claudia Capurro, Facultad de Ciencias Médicas, Departamento de Ciencias Fisiológicas, Laboratorio de Biomembranas, Universidad de Buenos Aires, Buenos Aires, Instituto de Fisiología y Biofísica Bernardo Houssay , IFIBIO Houssay, CONICET - Universidad de Buenos Aires, Buenos Aires, Department of Cardiology, Sanatorio de la Trinidad Mitre, Buenos Aires

Perfusion

Published online on August 11, 2026

Abstract

Perfusion, Ahead of Print.
IntroductionSerum aquaporin-1 increases with inflammation and edema. However, its role as a cardiovascular biomarker remains unexplored. The goal of this study is to evaluate serum aquaporin-1 concentrations across two distinct clinical settings ...