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- W2380214980 abstract "Objective To study the dynamic changes of blood flow after aortic valve replacement operation on patients with aortic valve stenosis by color Doppler echocardiography.Methods We studied 58 patients with aortic valve stenosis after aortic valve replacement (AVR) or bivalves' replacement (BVR) operation and analyzed with color Doppler echocardiography.The observed items include the peak valve,transvavular peak pressure gradient, transvavular mean pressure gradient, left ventricular end diastolic diameter (LVEDD),the thickness of inter ventricular septum and the left ventricular ejection fraction (LVEF).The results were compared with 30 normal people.Results The peak valve, transvavular peak pressure gradient, and pressure gradient decreased significantly after the operation. LVEF increased. The thicknesses of inter ventricular septum were not changed. But the peak valve, transvavular peak pressure gradient, transvavular mean pressure gradient were higher, compared to the normal ones.Conclusion AVR and BVR can ameliorate blood flow dynamics effectively on patients with aortic valve stenosis.LVEDD were decreased.The left ventricular function can be greatly improved." @default.
- W2380214980 created "2016-06-24" @default.
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- W2380214980 date "2007-01-01" @default.
- W2380214980 modified "2023-09-27" @default.
- W2380214980 title "Dynamic Changes of Blood Flow after Aortic Valve Replacement Operation on Patients with Aortic Valve Stenosis by Echocardiography" @default.
- W2380214980 hasPublicationYear "2007" @default.
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