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- W3030673334 abstract "目的 探讨彩色多普勒超声心动图对评价新生儿缺氧性肺动脉高压(PAH)左室重塑和舒张功能(LVDF)减低的临床意义. 方法对彩色多普勒超声心动图证实的24例继发有PAH的呼吸系统疾病新生儿与14例无PAH的呼吸系统疾病新生儿的多普勒超声心动图资料进行对比分析. 结果与对照组相比,肺动脉收缩压增高组的左室舒张末内径(19.74±0.71)mm比(14.42±0.32)mm、右室内径(11.92±2.18)mm比(7.34±0.93) mm、肺动脉内径(10.20±1.21)mm比(6.89±0.22) mm明显增大(P 0.05),且E峰流速(99.25±31.22)m/s比(78.00±22.13)m/s、速度时间积分(EVI) (10.06±4.21)s比(9.92±3.19) s及E峰减速时间(DT)( 89.29±22.00)s比(90.00±31.21) s,无明显改变(P>0.05).缺氧PAH组的肺动脉压与二尖瓣口血流频谱AV/EV比值呈正相关(r=0.4126,P<0.01). 结论多普勒超声心动图不仅是新生儿PAH最重要的无创诊断方法之一,它还是提供PAH左室重塑和舒张功能受损的指标,对临床判断病情轻重及预后有重要价值." @default.
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- W3030673334 date "2004-07-16" @default.
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- W3030673334 title "Value of Doppler echocardiography in evaluation of left ventricular myocardial remodel and dysfunction in neonates with hypoxia-induced pulmonary artery hypertension" @default.
- W3030673334 doi "https://doi.org/10.3760/cma.j.issn.1007-9408.2004.04.011" @default.
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