首页> 外文期刊>Circulation. Heart failure >Impaired Right Ventricular-Pulmonary Arterial Coupling and Effect of Sildenafil in Heart Failure With Preserved Ejection Fraction: An Ancillary Analysis From the Phosphodiesterase-5 Inhibition to Improve Clinical Status And Exercise Capacity in Diastolic Heart Failure (RELAX) Trial
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Impaired Right Ventricular-Pulmonary Arterial Coupling and Effect of Sildenafil in Heart Failure With Preserved Ejection Fraction: An Ancillary Analysis From the Phosphodiesterase-5 Inhibition to Improve Clinical Status And Exercise Capacity in Diastolic Heart Failure (RELAX) Trial

机译:右心室-肺动脉耦合受损和西地那非对射血分数保留的心力衰竭的作用:磷酸二酯酶-5抑制作用的辅助分析,可改善舒张性心力衰竭(RELAX)试验的临床状况和运动能力

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摘要

Background Right ventricular (RV) dysfunction (RVD) is a poor prognostic factor in heart failure with preserved ejection fraction (HFpEF). The physiological perturbations associated with RVD or RV function indexed to load (RV-pulmonary arterial [PA] coupling) in HFpEF have not been defined. HFpEF patients with marked impairment in RV-PA coupling may be uniquely sensitive to sildenafil.
机译:背景右心室功能不全(RVD)是射血分数(HFpEF)保留的心力衰竭的不良预后因素。尚未确定与HFpEF的负荷(RV-肺动脉[PA]耦合)相关的RVD或RV功能相关的生理扰动。 RV-PA偶联明显受损的HFpEF患者可能对西地那非特别敏感。

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