The need to recognize the pulmonary circulation and the right ventricle as an integrated functional unit: facts and hypotheses (2013 Grover Conference series)

PVRI Member Authors: Norbert Voelkel, Harm Jan Bogaard


For many patients with severe pulmonary arterial hypertension, heart failure—and, in particular, right heart failure—is the final chapter of their chronic illness. Targeted therapy for pulmonary hypertension is effective only if the right ventricular ejection fraction is maintained or improved. Because improvement of right heart function and reversal of right heart failure are treatment goals, it is important to investigate the cellular and molecular mechanisms that cause right heart failure. Here, we propose that right ventricular capillary rarefaction is an important hallmark of right heart failure and consider that the “sick lung circulation” and the pressure-overloaded right ventricle constitute a functional unit.

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Pathology and Pathophysiology
Pulmonary Circulation
Right Ventricle: Structure, Function and Dysfunction


Norbert F. Voelkel, Harm Jan Bogaard, Jose Gomez-Arroyo

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Pulmonary Circulation Vol 5: No 1 cover image

March 2015

Pulmonary Circulation Vol 5: No 1

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