Background: The correlation between serum adiponectin concentration and hemodynamics or certain metabolic markers in patients with chronic thromboembolic pulmonary hypertension (CTEPH) is unknown. Methods and Results: We enrolled 30 CTEPH patients who underwent interventional therapy of balloon pulmonary angioplasty or pulmonary endarterectomy. Serum adiponectin concentrations positively correlated with B-type natriuretic peptide (BNP) concentrations, pulmonary vascular resistance, and mean pulmonary arterial pressure. After the therapeutic interventions, serum adiponectin concentrations improved and changes in serum adiponectin concentrations significantly correlated with changes in BNP concentrations. Conclusions: Adiponectin can be a useful marker for the severity of CTEPH.
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