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Reproducibility of parameters assessing right ventricular systolic function in patients after an acute myocardial infarction Cover

Reproducibility of parameters assessing right ventricular systolic function in patients after an acute myocardial infarction

Open Access
|Sep 2025

Figures & Tables

Figure 1.

Bland-Altman plots (panel A) and correlations (panel B) for measurements of tricuspid annular plane systolic excursion (TAPSE) by advanced (R1), intermediate (R2), and beginner (R3) readers.
Bland-Altman plots (panel A) and correlations (panel B) for measurements of tricuspid annular plane systolic excursion (TAPSE) by advanced (R1), intermediate (R2), and beginner (R3) readers.

Figure 2.

Bland-Altman plots (panel A) and correlations (panel B) for measurements of right ventricular systolic wave velocity (S’t) by advanced (R1), intermediate (R2), and beginner (R3) readers.
Bland-Altman plots (panel A) and correlations (panel B) for measurements of right ventricular systolic wave velocity (S’t) by advanced (R1), intermediate (R2), and beginner (R3) readers.

Figure 3.

Bland-Altman plots (panel A) and correlations (panel B) for measurements of fractional area change (FAC) by advanced (R1), intermediate (R2), and beginner (R3) readers.
Bland-Altman plots (panel A) and correlations (panel B) for measurements of fractional area change (FAC) by advanced (R1), intermediate (R2), and beginner (R3) readers.

Figure 4.

Bland-Altman plots (panel A) and correlations (panel B) for measurements of 3D Right ventricular ejection fraction (3D RVEF) by advanced (R1), intermediate (R2), and beginner (R3) readers.
Bland-Altman plots (panel A) and correlations (panel B) for measurements of 3D Right ventricular ejection fraction (3D RVEF) by advanced (R1), intermediate (R2), and beginner (R3) readers.

Interobserver variability and agreement between echocardiographers with different levels of experience for TAPSE, S’t, FAC, and 3D RVEF_

R1 vs R2TAPSES’tFAC3D RVEF
Bias (95% CI)0.24 (−0.08:0.55)0.19 (0.0;0.38)0.36 (−0.3;1.02)−0.02 (−0.64;0.6)
Lower LOA (95% CI)−2.27 (−2.82; −2.27)−1.3 (−1.62;−1.3)−4.9 (−6.05;−4.9)−4.96 (−6.03;−4.96)
Upper LOA (95% CI)2.75 (2.20;3.29)1.68 (1.35;2.0)5.62 (4.47;6.77)4.91 (3.84;5.99)
R1 vs R3TAPSES’tFAC3D RVEF
Bias (95% CI)0.38 (0.09;0.67)0.36 (0.11;0.62)0.09 (−0.73;0.91)−0.38 (−1.15;0.39)
Lower LOA (95% CI)−1.94 (−2.45;−1.94)−1.64 (−2.07;−1.64)−6.44 (−7.86;−6.44)−6.48 (−7.81;6.48)
Upper LOA (95% CI)2.7 (2.19;3.21)2.37 (1.93;2.80)6.62 (5.19;8.04)5.72 (4.39;7.05)
R2 vs R3TAPSES’tFAC3D RVEF
Bias (95% CI)0.14 (−0.17;0.46)0.17 (−0.13;0.48)−0.27 (−1.25;0.71)0.36 (−1.01;0.3)
Lower LOA (95% CI)−2.37 (−2.92;−2.37)−2.25 (−2.78;−2.25)−8.07 (−9.77;−8.07)−5.57 (−6.7;−5.57)
Upper LOA (95% CI)2.65 (2.11;3.2)2.60 (2.07;3.13)7.53 (5.83;9.23)4.85 (3.72;5.99)
ICC (95% CI)0.977 (0.965–0.985)0.967 (0.95–0.98)0.98 (0.97–0.99)0.98 (0.97–0.99)

Demographic and Clinical Characteristics_

20Total (n=63)
DOI: https://doi.org/10.2478/rjim-2025-0017 | Journal eISSN: 2501-062X | Journal ISSN: 1220-4749
Language: English
Submitted on: Jul 18, 2025
Published on: Sep 14, 2025
Published by: N.G. Lupu Internal Medicine Foundation
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2025 Vladimir Bratu, Ruxandra Copciag, Roxana Rimbas, Dragos Vinereanu, published by N.G. Lupu Internal Medicine Foundation
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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