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ASSOCIATION BETWEEN LEFT VENTRICULAR MYOCARDIAL DEFORMATION ASSESSED USING THREE DIMENSIONAL SPECKLE TRACKING ECHOCARDIOGARPHY AND EJECTION FRACTION IN HEART FAILURE
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Abstract
Objective: to evaluate the correlation between deformation parameters on 3D speckle tracking echocardiography (STE) with left ventricular ejection fraction (EF) in patients with chronic heart failure. Subjects and methods: a prospective, cross-sectional study with was performed on 110 chronic heart failure patients treated at Department of Cardiology, 108 Central Hospital from january 2018 to october 2020. Results: There was a strong positive correlation between deformation parameters and left ventricular ejection fraction EF (r=0.67 for GLS; r=0.80 for GRS, r=0.80 for GCS; r=0.83 for GAS with p < 0,001). The strong correlation was more pronounced in the heart failure group with reduce EF compared to that of preserved EF (GLS r= 0.62 vs r=0,30, GRS r=0.74 vs r=0.55; GCS r=0.75 vs r=0.63; GAS r= 0.77 vs r=0.67). The parameters of left ventricular deformatoin are positively correlated with EF measured on 3D stronger than with EF measured on 2D (GLS r= 0.76 vs r=0.67; GRS r= 0.93 vs r=0.80; GCS r=0.92 vs r=0.80; GAS r=0.94 vs r=0.83). Conclusion: Left ventricular deformation parameters are closely correlated with EF, GAS has the strongest correlation. The correlation is stronger in the reduced EF group compared to preserved EF and better by 3D echocardiography compared to 2D.
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Keywords
3D echocardiography, left ventricular deformation, heart failure
References
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