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- W2349388617 abstract "Objectives To explore the image characteristics of color Doppler echocardiography(CDE) in adults with double-inlet ventricle(DIV).Methods Thirty-two adult patients with DIV were examined by CDE,and angiocardiography results were taken for contrast.Among them,25 cases were confirmed by operation.Results Thirty adult cases were accurately diagnosed as DIV by CDE,and the accuracy rate reached 93.8%(30/32).Two cases were misdiagnosed as double-outlet right ventricle.The CDE characteristics in adults with DIV were as below:(1)Apical four-chamber views of two-dimensional echocardiography(2DE) showed intact atrial septum and total echo loss of ventricular septum.During systole,two atrioventricular valves closed,the+sign was replaced byT sign of 2DE;and during diastole,two atrioventricular valves opened to the one common ventricle.Color Doppler flow imaging(CDFI) showed that flow signals from the two atrium entered one common ventricle through two atrioventricular valves.(2)According to the features of the common ventricle on apical four-chamber view of 2DE,the ventricle of DIV could be devided into 3 types,as type A(65.6%,21/32) with delicate echo in endocardium and trabecular muscles,type B(6.3%,2/32) with coarse echo,and type C(28.1%,9/32),bulboventricular ridge could be seen in the apex of the common ventricle.(3)Type of the great arteries could be judged by view of parasternal short axis.Type I showed normal relationship of the two great arteries(15.6%,5/32).Type Ⅱ and Ⅲ showed the same two circular echo signals of the two great arteries,but with different spatial relationships of the two circles,type Ⅱ(21.9%,7/32) showed the two circles located in anterior right-posterior left direction and type Ⅲ(62.5%,20/32) showed the two circles in anterior left-posterior right direction.The size of the two circles could be used to distinguish between pulmonary stenosis and pulmonary hypertension.Pulmonary stenosis(96.9%,31/32) with internal diameter of the pulmonary artery was obviously smaller than that of the aorta and pulmonary hypertension(3.1%,1/32) with internal diameter of the pulmonary artery was obviously bigger than that of the aorta.(4)When complicating with pulmonary stenosis,CDFI showed colorful jet flow through pulmonary artery.(5)Incidence of DIV in male adult was more than that in female[65.6%(21/32) vs.34.4%(11/32)].Conclusions CDE shows obvious imaging characteristics in adult DIV and has specific value for diagnosis." @default.
- W2349388617 created "2016-06-24" @default.
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- W2349388617 date "2011-01-01" @default.
- W2349388617 modified "2023-09-28" @default.
- W2349388617 title "Image characteristics of color Doppler echocardiography in adults with double-inlet ventricle" @default.
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