晚发性维生素K缺乏又称获得性凝血酶元复合因子缺乏症。本症在临床上并不少见,发病急、病情重、病死率和病残率高,已引起临床高度重视。本文总结8个医院儿科共收治33例病儿,现报告如下。 Late onset vitamin K deficiency, also known as acquired thrombin-induced factor deficiency. The disease is not uncommon in clinical, acute onset, severe illness, high mortality and morbidity, has attracted great attention in clinical. This article summarizes a total of 8 hospitals pediatric treatment of 33 cases of children, are as follows.