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- W2379156970 abstract "Objective: To study the left ventricular ejection fraction (LVEF) could be estimated more accurately by stroke volume (SV) of Doppler technique combined left ventricular end diastolic volume (LVEDV) of two-dimension (2D) method in echocardiogram for patients with remarkable functional and morphologic changes of left ventricle. Methods: LVEF were measured by M、2D method and Doppler technique combined with 2D (TVI) in 37 patients with left ventricle enlargement. who underwent cardioangiography of radial nuclein (NCT) within 24 hours. Results: The results demonstrated that there existed significant difference of LVEF measured by TVI compared with 2D and M methods (0. 37±0. 2 : 0.46±0. 12, P0. 05, 0. 37±0. 2: 0. 47±0. 08, P0. 05), but it was similar to that of NCT (0.37±0.2 :0.37±0.17, P0. 05) .Although LVEF were overestimated by M、2D method, compared with NCT, the results of these method were correlated with that of NCT significantly and the best correlation was founded in TVI technique (r=0. 957). the 2D method took second place of correlation (r = 0. 834). M method was in the end (r=0. 752). Conclusion: The method of TVI is superior in measuring of LVEF for case with remarkable enlargement of left ventricle." @default.
- W2379156970 created "2016-06-24" @default.
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- W2379156970 date "2002-01-01" @default.
- W2379156970 modified "2023-09-25" @default.
- W2379156970 title "To estimate the left ventricular ejection fraction by combining Doppler and two-dimension method in echocardiogram" @default.
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