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新生儿、婴幼儿危重先心病患儿常伴有严重低氧血症、酸碱失衡，并进行性恶化，或并发反复呼吸道感染、呼吸衰竭，心力衰竭，内科治疗难以见效。在经必要的调整治疗后则应予以急诊手术挽救生命。当患儿：低氧血症有所改善，SaO2≥75-80%,气促明显改善;肺部炎症明显好转，无致密细湿罗音，气道无大量脓性分泌物，胸片示无肺叶性肺不张，体液培养阴性;呼吸机辅助呼吸虽不能撤机，但肺部炎症和心衰表现明显好转;心衰表现有所好转，血压稳定;酸中毒纠正;体温和血象趋向正常时，可行急诊手术。
2012-11-29 16:10:20
