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- W2388354683 abstract "Objective To explore the value of Tei index,tissue Doppler imaging(TDI) combined with N-terminal proBNP(NT-proBNP) in evaluating acute radiation induced right heart injury.Methods NT-proBNP and echocardiography were performed in 21patients underwent thoracic radiotherapy(RT) at the timepoint of before RT,1day and 1month after RT.The following echocardiographic parameters were obtained : ①Tei index;②Conventional parameters,including the deceleration time of E wave,peak early filling velocity(E),late diastolic filling velocity(A),E/A ratio and deceleration time of E peak,as well as right ventricular end diastolic diameter,right atrium end systolic diameter,right ventricular fractional area change and tricuspid annular plane systolic excursion;③TDI parameters : Mitral annulus peak velocities in systole(Sa),early diastole(Ea),late diastole(Aa).Then the mitral inflow E velocity to tissue Doppler Ea(E/Ea) was calculated.Results Compared with data before RT,NT-proBNP increased 1day after RT but declined to a low level a month later(P0.05),while Sa and Ea decreased,Tei index,Aa and E/Ea increased,but conventional parameters had no significant changes(all P0.05).Conclusion After RT,TDI,Tei index and NT-proBNP can provide valuable information for evaluating acute radiation induced right heart injury." @default.
- W2388354683 created "2016-06-24" @default.
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- W2388354683 date "2012-01-01" @default.
- W2388354683 modified "2023-09-25" @default.
- W2388354683 title "Tei index and tissue Doppler imaging combined with N-terminal proBNP in evaluation of acute radiation induced right heart injury" @default.
- W2388354683 hasPublicationYear "2012" @default.
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