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- W3029194247 abstract "目的 评价不同类型机械瓣对二尖瓣置换术后患者血流动力学的影响.方法本院因风湿性心脏病行二尖瓣置换术患者155例,分为双叶瓣及倾斜碟瓣两组,比较手术前后及手术1年后两组间血流动力学超声参数.结果倾斜碟瓣与双叶瓣两组术前二维超声参数各房室内径及主、肺动脉内径、二尖瓣口面积差异均无显著意义,血流动力学参数中E峰、A峰、平均跨瓣压差(MPG)差异均无显著意义,但肺动脉收缩压(PASP)为(47.94±20.03)mmHg vs(38.19±11.16)mmHg(P=0.001);术后2周内二维超声参数比较:右室内径(1.68±0.32)cm vs(1.84±0.31)cm(P=0.003),有效瓣口面积(EOA)为(2.71±0.43)cm2 vs(2.37±0.48)cm2(P=0.000);PASP由术前的显著差异变成(34.53±11.17)mmHg vs(31.85±4.20)mmHg(P=0.072);MPG手术前后之差分别为(7.71±5.89)mmHg vs(5.94±4.68)mmHg(P=0.049),PASP手术前后之差分别为(13.41±16.59)mmHg vs(6.34±10.76)mmHg(P=0.004).手术1年后部分患者复查,机械瓣EOA为(2.47±0.52)cm2 vs(2.01±0.17)cm2(P=0.001),PASP为(31.00±3.34)mmHg vs(32.53±4.73)mmHg(P=0.259).结论双叶机械瓣对二尖瓣置换术患者的血流动力学影响优于倾斜碟瓣。" @default.
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- W3029194247 date "2005-01-28" @default.
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- W3029194247 title "Hemodynamic effect of different mechanical valves on patients with replacement of mitral valve" @default.
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