OBJECTIVE To evaluate the effect of modified ultrafiltration on pulmonary function after cardiac valve replacement.
目的观察改良超滤对心脏瓣膜置换术患者肺功能的影响。
Conclusion The modified ultrafiltration can effectively improve pulmonary function after operations for low weight infants.
结论改良性超滤方法可明显改善小体重患儿心脏手术后的肺功能。
Methods:60 cases of congenital heart disease were divided into control group(C), modified ultrafiltration group(M)and balanced ultrafiltration with modified ultrafihration group(U).
方法：60例先天性心脏病患儿随机分为对照组（C）、改良超滤组（M）和平衡超滤联合改良超滤组（U）。
Methods 60 cases with congenital heart disease were divided into control group (c), modified ultrafiltration group (m) and balanced ultrafiltration with modified ultrafiltration group (u).
方法60例先天性心脏病患儿分为对照组(C)、改良超滤组(M)和平衡超滤联合改良超滤组(U)。
Method: 60 cases with congenital heart disease were divided into control group (c), modified ultrafiltration group (m) and balanced ultrafiltration with modified ultrafiltration group (u).
方法：60例先天性心脏病患儿分为对照组(C)、改良超滤组(M)和平衡超滤联合改良超滤组(U)。
Conclusion Using modified ultrafiltration after cardiopulmonary bypass can concentrate blood cell and protein swiftly, and harmful medium molecular substances were filtered out at the same time.
结论应用改良超滤法可以迅速浓缩血液中的细胞和蛋白，在滤出水份同时，还能有效的去除多种有害中分子物质。
It was shown that the modified membranes with higher grafting rate expressed better anti-fouling ability in the ultrafiltration of protein solutions.
实验结果表明，随着接枝率的提高，改性聚砜膜抗蛋白质吸附污染的能力显著增强。
The resistance and mass transfer property of ultrafiltration are analyzed, and the modified model of gelatification and polarization is established for the ultrafiltration process.
同时对超滤过程的阻力及传质特性进行分析，并建立超滤过程的修正凝胶极化模型。
The resistance and mass transfer property of ultrafiltration are analyzed, and the modified model of gelatification and polarization is established for the ultrafiltration process.
同时对超滤过程的阻力及传质特性进行分析，并建立超滤过程的修正凝胶极化模型。
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