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- W2364723043 abstract "Objective To evaluate local and global function of right ventricle in patients with acute pulmonary thromboembolism(APTE) with velocity vector imaging(VVI).Methods Totally 46 APTE patients were selected and divided into mild and moderate pulmonary hypertension group(PH Ⅰ) and severe pulmonary hypertension group(PH Ⅱ).Thirty healthy volunteers were enrolled as control group.Routine measurement was made of right ventricular diameter(RV),right ventricular wall thickness(RVAW),the movement range of RVAW,the main pulmonary artery(MPA) as well as pulmonary artery systolic pressure(PASP).Then velocity(V),strain(S) and strain rate(SR) of the basal,middle,apical segments of right ventricular free wall and septal wall were measured with VVI,and right ventricular ejection fraction(RVEF) was calculated.Results With the rise of pulmonary artery pressure,RV and MPA increased gradually while the movement range of RVAW and RVEF increased in PH Ⅰ,but decreased in PH Ⅱ(both P0.05).Right ventricular part myocardial V,S,SR increased in PH Ⅰ,but deceased in PH Ⅱ(P0.05).Conclusion VVI can be used to make quantitative assessment of the right ventricular function in patients with APTE,and is a new effective technology for the evaluation of right ventricular function." @default.
- W2364723043 created "2016-06-24" @default.
- W2364723043 creator A5028523606 @default.
- W2364723043 date "2011-01-01" @default.
- W2364723043 modified "2023-09-23" @default.
- W2364723043 title "Velocity vector imaging evaluation on right ventricular function in patients with acute pulmonary thromboembolism" @default.
- W2364723043 hasPublicationYear "2011" @default.
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