Haemodynamic and clinical impacts of switching phosphodiesterase-5 inhibitors to riociguat in patients with chronic thromboembolic pulmonary hypertension (CTEPH) after balloon pulmonary angioplasty (BPA) - a prospective cohort study.

BMC Pulm Med · 2026 · PMC12866028 · PMID 41484960

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did not reach statistical significanceno p-value reported

The echocardiographic parameters also demonstrated improvement, but the changes did not reach statistical significance.

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