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新生儿肺出血是新生儿期重要的临床征象及死亡原因之一 ,国内报道其发病率为活产儿的 0 .2‰～ 3 8‰ ;死亡率为 4 0 0 %～ 5 0 0 % ;尸检率为 4 0 0 %～ 84 0 % [1] 。1 病因学研究经近 10多年来探讨 ,学者们一致认为 ,新生儿肺出血与下列几项因素且与多种混合因素有关 :
Neonatal pulmonary hemorrhage is one of the most important clinical signs and causes of death in neonatal period. The incidence of neonatal pulmonary hemorrhage is 0.2 to 3.8% of the live births in the country. The mortality rate is 400% to 500%. Autopsy Rates ranged from 40% to 84 0% [1]. 1 etiological research After nearly 10 years of exploration, scholars agree that neonatal pulmonary hemorrhage and the following several factors and a variety of mixed factors: