Pulmonary artery-to-aorta ratio on high-resolution computed tomography and exercise performance in systolic heart failure

Affiliations

• ¹ Laboratory of Respiratory Pathophysiology (LAFIR), Federal University of Mato Grosso do Sul (UFMS)/Maria Aparecida Pedrossian Hospital (HUMAP), Campo Grande, Mato Grosso do Sul, Brazil.
• ² Laboratory of Respiratory Pathophysiology (LAFIR), Federal University of Mato Grosso do Sul (UFMS)/Maria Aparecida Pedrossian Hospital (HUMAP), Campo Grande, Mato Grosso do Sul, Brazil; Cardiosul Center, Echocardiography Unit, Campo Grande, Mato Grosso do Sul, Brazil.
• ³ Laboratory of Respiratory Pathophysiology (LAFIR), Federal University of Mato Grosso do Sul (UFMS)/Maria Aparecida Pedrossian Hospital (HUMAP), Campo Grande, Mato Grosso do Sul, Brazil. Electronic address: paulo.muller@ufms.br.