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. 2024 May 23;13(11):e032201. doi: 10.1161/JAHA.123.032201

Figure 1. Hemodynamic and echocardiographic characterization of pulmonary hypertension in HFpEF rats.

Figure 1

A, Right ventricular pressure waveform monitoring obtained at right heart catheterization in control (left panel) and HFpEF (right panel) rats, (B) right ventricular systolic pressure (in mm Hg), (C) calculated mPAP (in mm Hg), (D) cardiac output (in mL/L−1), (E) pulmonary vascular resistance (in mm Hg/L−1·min−1), (F) right atrial pressure (in mm Hg) in rats with HFpEF (black bars; n=13) and control rats (white bars; n=9). Echocardiographic evaluation of (G) pulmonary artery diameter (in mm) and (H) PA‐to‐aorta diameter ratio in control (white bars; n=9) and HFpEF (black bars; n=13) rats. Values are expressed as mean±SEM. * 0.01<P<0.05, ** 0.001<P<0.01, *** 0.001>P HFpEF vs control rats. HFpEF indicates heart failure with preserved ejection fraction; mPAP, mean pulmonary artery pressure; and PA, pulmonary artery.