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    Associations Between Echocardiographic Right Heart Measurements With Short-Term Prognosis in Heart Failure: A Prospective Study
    (Wiley, 2024) Dinc Asarcikli, Lale; Inan, Duygu; Murat, Selda; Colluoglu, Inci Tugce; Bakhshaliyev, Nijat; Ulutas, Zeynep; Cabuk, Gizem
    Background: Echocardiographic right ventricular (RV) dysfunction is a strong risk determinant for prognosis in patients with heart failure (HF). Although parameters of RV systolic function are widely used to define RV dysfunction, there is scarce data to suggest these parameters are best suited to predict HF-related outcomes. Aims: We aimed to understand which morphologic or functional parameters are most closely associated with short-term mortality and HF-related hospitalization in patients with HF. Methods: A total of 191 patients from eight study centers were included to this study. A detailed echocardiographic examination was done at enrollment, and patients were followed up for 6 months via direct interviews or phone calls. Results: All right-sided echocardiographic parameters other than tricuspid annular plane systolic excursion were associated with outcomes. In a proportional hazards model that included right-heart parameters, RV longitudinal diameter (HR: 1.07, 95%CI: 1.04-1.10, p < 0.001), wall thickness (HR: 1.3, 95%CI: 1.13-1.50, p < 0.001), and tricuspid annular systolic velocity (HR: 0.90, 95%CI: 0.82-0.96, p = 0.02) were found as the independent predictors. However, only RV longitudinal dimension (HR: 1.04, 95%CI: 1.01-1.08, p = 0.01) and RV wall thickness (HR: 1.32, 95%CI: 1.10-1.60, p = 0.004) were associated with short-term outcomes after adjusting for other clinical and left-sided echocardiographic variables. On a Bayesian logistic regression model that included right-sided echocardiography variables, there was strong evidence for including either RV longitudinal diameter (BF10: 190.4) or wall thickness (BF10: 30.7) to the final model. Conclusion: Parameters of RV morphology were better predictors of short-term outcomes in HF patients.
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    Noninvasive assessment of disproportionate right to left ventricular filling pressure in patients with heart failure
    (Springer, 2026) Guvenc, Tolga Sinan; Asarcikli, Lale Dinc; Inan, Duygu; Murat, Selda; Colluoglu, Inci Tugce; Bakhshaliyev, Nijat; Ulutas, Zeynep
    Disproportionate right and left ventricular filling pressures, as measured using right atrial to wedge pressure (RA/WP) is a marker of right heart failure and worse outcomes in patients with heart failure (HF), but an invasive hemodynamic study is needed to measure RA/WP. Using echocardiography, an estimation of RA/WP (eRA/WP) could be calculated non-invasively. The aim of the present study was to understand the feasibility and usefulness of eRA/WP in the general HF population where invasive assessment is not routinely done. Estimated RA/WP was calculated using mitral E velocity, lateral and septal tissue Doppler velocities and inferior vena cava diameter. A second dataset obtained from patients undergoing cardiac catheterization was used to determine agreement between eRA/WP and catheter-derived RA/WP. Estimated RA/WP showed significant correlations with right atrial area (r = 0.27,p < 0.001), right ventricular diameter (r = 0.20,p = 0.006), right ventricular fractional area change (r=-0.19,p = 0.01) and systolic pulmonary artery pressure (r = 0.44,p < 0.001). Being in the highest quartile was significantly associated with the primary composite endpoint at 180 days in unadjusted (OR:2.28,95%CI:1.20-4.36,p = 0.012) and adjusted (OR:2.59,95%CI:1.26-5.31, p = 0.009) models. Intraclass correlation coefficients for agreement between eRA/WP and catheter-based RA/WP was 0.72 for single measures and 0.84 for average measures. Assessment of disproportionate right to left ventricular filling pressures using echocardiographic estimation of RA/WP is feasible and useful to predict short-term prognosis in HF patients. [GRAPHICS]