Results There was no difference in the diameter of left atrium and ventricle among three groups (P>0.05).
结果左房室腔内径三个实验组之间无统计学差异（P >0 .0 5 ）。
The concentrations of RAS were correlated significantly with the diameter of the left atrium(P<0.01).
血浆RAS水平与左心房直径呈显著正相关（P<0.01）。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
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