Abstract
Background: While left ventricular function has been the primary focus in evaluating heart failure, recent studies have shown the diagnostic and prognostic value of right ventricular dysfunction based on echocardiography. Right ventricular strain indices using speckle tracking echocardiography have demonstrated superior prognostic value in cardiovascular diseases and chronic heart failure compared to conventional indices.
Methods: A cross-sectional descriptive study on 50 patients with decompensated heart failure, assessing right ventricular function using 2D speckle-tracking echocardiography.
Results: In our study of 50 ADHF patients admitted to the cardiovascular intensive care unit, we observed reduced Right ventricular free wall longitudinal strain (RV-FWLS)= -12% (20% ± 7) and Right ventricular global longitudinal strain (RV-GLS) = -10% (-18% ± 6%), in the group with adverse events (p=0.169, p=0.196). There were positive correlations between RV-FWLS and Left ventricular global longitudinal strain (LV-GLS) (r=0.538, p=0.0005), and between RV-GLS and LV-GLS (r=0.5937, p=0.0001). RV-FWLS and RV-GLS showed strong correlations with Right ventricular S’(RV-S’) (r=-0.397, r=0.408; p=0.0063, p=0.0044), Right ventricular Fractional Area Change (RV-FAC) (r=-0.2956, r=-0.2947; p=0.0468, p=0.0487), and Tricuspid annular plane systolic excursion (TAPSE) (r=-0.5927, r=-0.5747; p<0.001). Mortality risk increased in group 4 with RV-FWLS (8.85±4.2) and (LV-GLS <9, RVGLS <12), with RR=1.26, 95% CI (1.12-1.44, p<0.05). Length of stay in the cardiovascular intensive care unit also increased, with RR=1.03, 95% CI (1.02-1.04).
Conclusion: Our study demonstrated significant associations between right ventricular strain indices and various measures of cardiac function. Notably, impaired strain values were linked to a higher mortality risk, emphasizing the importance of right ventricular strain assessment in evaluating prognosis in patients with heart failure.
| Published | 2025-04-26 | |
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| Issue | Vol. 15 No. 1 (2025) | |
| Section | Original Articles | |
| DOI | 10.34071/jmp.2025.1.26 | |
| Keywords | suy tim mất bù cấp, suy thất phải, siêu âm đánh dấu mô cơ tim, tiên lượng Acute Decompensated Heart failure (ADHF), Right Ventricular Heart Failure, Speckle Tracking echocardiography, prognosis |
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Copyright (c) 2025 Hue Journal of Medicine and Pharmacy
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