The best cut‐off for Ees/Ea to discriminate prognosis is 0.68, which corresponds highly significant to the non‐invasive surrogate echo‐parameters of RV‐PA coupling such as TAPSE of 16 mm, FAC of 42%, and MRI‐derived RVEF of 38% and SV/ESV of 0.59.
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Predictors and prognosis of right ventricular function in pulmonary hypertension due to heart failure with reduced ejection fraction.
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