As shown in Table 1, this study included 30 patients with PAH (male, 30%; median age at CMR, 45 [IQR, 39–59] years; median disease duration, 74 [IQR, 9–128] months; median brain natriuretic peptide [BNP], 47.5 [IQR, 18.3–81.2] pg/mL). This evidence concerns the gene NPPB and pulmonary arterial hypertension.