Response to letter from dr Altmayer regarding publication "Sequential treatment with sildenafil and riociguat in patients with persistent or inoperable chronic thromboembolic pulmonary hypertension improves functional class and pulmonary hemodynamics"

Int J Cardiol. 2019 Feb 1:276:240-241. doi: 10.1016/j.ijcard.2018.10.103. Epub 2018 Oct 30.

¹ Department of Pulmonary Circulation, Thromboembolic Diseases and Cardiology, European Health Centre Otwock, Centre of Postgraduate Medical Education, Poland. Electronic address: szymon.darocha@ecz-otwock.pl.
² Department of Pulmonary Circulation, Thromboembolic Diseases and Cardiology, European Health Centre Otwock, Centre of Postgraduate Medical Education, Poland.
³ Department and Faculty of Cardiology, Medical University of Warsaw, Poland.

No abstract available

Keywords: Chronic thromboembolic pulmonary hypertension; Hemodynamics; Riociguat; Sequential therapy; Sildenafil.

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