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本研究观察了压力超负荷距离对先天性主动脉缩窄和主动脉瓣狭窄(AS)患者左室(LV)功能的影响。利用M型超声和组织多普勒成像(TDI)技术测定连续46例LV流出道梗阻患者(23例主动脉缩窄和23例AS)
This study examined the effect of pressure overload on left ventricular (LV) function in patients with congenital aortic constriction and aortic stenosis (AS). Forty-six consecutive patients with LV outflow tract obstruction (23 aortic constriction and 23 AS) were examined using M-mode and Tissue Doppler imaging (TDI)