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- W2362893193 abstract "Objective To observe the value of systolic mitral annular displacement(MADs) based on tissue tracking in patients with chronic heart failure(CHF),and to investigate the relation between MADs and left ventricular ejection fraction(LVEF).Methods Forty-six patients with CHF(CHF group) and 20 normal subjects(control group) were enrolled.Left ventricular end-diastolic diameter(LVEDD),left ventricular end-diastolic volume(LVEDV) and left ventricular end-systolic volume(LVESV) were measured with two-dimensional echocardiography,while left ventricular ejection fraction(LVEF) was calculated with biplane Simpson's method.MADs was obtained from apical 4-chamber view and 2-chamber view using M-mode imaging and tissue tracking(TT).Correlation and agreement between M-mode imaging and TT derived MADs were analyzed.The impact of age,LVEDD and body surface area on the relation between LVEF and MADs was analyzed using multiple linear regression in CHF group.Results Compared with control group,LVEDD,LVEDV,LVESV increased significantly(all P0.01),and LVEF decreased significantly(P0.01) in CHF group.Mean MADs of four sites decreased significantly(all P0.01) in CHF group.Correlation and agreement between M-mode imaging and TT derived MADs were well(r=0.97,P0.01).The relation between LVEF and MADs was influenced by LVEDD significantly(r2=0.69,P0.01).Conclusion TT derived MADs in combination with LVEDD can be used to evaluate left ventricular systolic function in patients with HF briefly and accurately." @default.
- W2362893193 created "2016-06-24" @default.
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- W2362893193 date "2012-01-01" @default.
- W2362893193 modified "2023-09-22" @default.
- W2362893193 title "Assessment on left ventricular systolic function with tissue tracking derived mitral annular displacement and the impact factors in patients with chronic heart failure" @default.
- W2362893193 hasPublicationYear "2012" @default.
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