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Usefulness of the myocardial performance index determined by tissue Doppler imaging m-mode for predicting mortality in the general population

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The objective of this study was to evaluate the prognostic value of the myocardial performance index (MPI), assessed by color-coded tissue Doppler imaging (TDI) M-mode through the anterior mitral leaflet. Color TDI M-mode through the mitral leaflet is an easy, very fast, and precise method to estimate cardiac intervals and thus obtain the MPI, but the diagnostic and prognostic values of this parameter are unknown. In a large population study, cardiac function was evaluated in 1,100 participants by conventional echocardiography and TDI. MPI was calculated from pulse-wave Doppler analyses of left ventricular in- and outflow using standard procedures (MPI(conv)) and by color-coded TDI M-mode through the mitral leaflet in the apical 4-chamber view (MPI(TDI)). MPI(TDI) was increased in subjects with coronary heart disease (CHD) compared to controls, even after multivariable adjustment (p
OriginalsprogEngelsk
TidsskriftThe American journal of cardiology
Vol/bind107
Udgave nummer3
Sider (fra-til)478-83
Antal sider6
DOI
StatusUdgivet - 1 feb. 2011

ID: 32192336