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婴儿维生素K缺乏症的特征是:发病多为2～3月婴儿;母乳喂养发生率高;临床表现为凝血机制障碍,其中以颅内出血最致命。本文所指亚临床淤疸是指,外表酷似健康,实际存在着不令人注意的黄疸或一过性肝功能轻度异常者。本组观察发现,婴儿维生素K缺乏症是多因素致病,而存有淤疸时更易发生。提示了淤疸和肝功能的轻度异常对维生素K代谢的影响,探讨这一机制有益于预防婴儿维生素K缺乏症的发生。
Infant vitamin K deficiency is characterized by: incidence of mostly 2 to 3 months of infants; high incidence of breastfeeding; clinical manifestations of coagulation disorders, of which the most deadly intracranial hemorrhage. This article refers to subclinical jaundice refers to the appearance resembles a healthy, there are actually unnoticeable jaundice or transient mild liver function abnormalities. The observation of this group found that vitamin K deficiency in infants is a multifactorial pathogenic disease, and more prone to jaundice. Prompted the jaundice and mild dysfunction of liver function of vitamin K metabolism, to explore this mechanism is beneficial to prevent the occurrence of vitamin K deficiency in infants.