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- W2364436432 abstract "Quantitative analysis of the vortex in left ventricular (LV) chamber during cardiac cycles can be used to evaluate LV systolic and diastolic functions.The variations of vortical shape and location have been described following LV functional decreases.It has been proved that MRI and echocardiography are both feasibly able to assess cardiac flow patterns.However,limitations of this this technique remains unsolved although echocardiography has been evaluated as a promising modality in clinic pavilions by using contrast agents.Quantification of ventricular reconstruction and myocardial pumping function is able to be achieved using echo contrast microbubbles.Vortex parameters have been validated as sensitive predictors of LV functions,such as average vortex depth(VD,0.482±0.06),vortex length(VL,0.467±0.05),vortex width(VW,0.128±0.06),spherical index(SI,3.66±0.6),relative strength(2.10±0.8),vortex relative strength(VRS,1.19±0.5)and vortex pulsation correlation(1.31±0.5);vortex radius in the early diastolic phase(VR,3±1mm),the velocity of filling flow front Vp(47±6 cm/s)and Vp/E(0.59±0.07).But,broad-based clinical trials on relative applications are still required to provide epidemiological evidences." @default.
- W2364436432 created "2016-06-24" @default.
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- W2364436432 date "2010-01-01" @default.
- W2364436432 modified "2023-09-24" @default.
- W2364436432 title "Noninvasive methods to quantify the vortex in the left ventricular chamber and clinical applications" @default.
- W2364436432 hasPublicationYear "2010" @default.
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