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维生素K 依赖因子是指凝血因子Ⅰ、Ⅵ、Ⅸ、Ⅹ,这些因子均以维生素K 为辅助在肝细胞内合成.婴儿期获得性维生素K 依赖因子缺乏症,系指当过了新生儿自然出血时间(1周后)的晚期新生儿及婴儿期的出血症,年龄为10天至1周岁,最多见于1～2月的婴儿.本症目前国内报道逐渐增多,但单纯表现为肺出血的病例报道甚少,作者今年初曾遇到1例,现报告如下.患儿,女,生后17天,因突然咯血两小时于1986年1月10日来院门诊.患儿系第一胎,足月顺产,出生后一般情况良好,母乳喂养,未加辅食,出生后12天脱脐,脐周稍红肿,有少许脓性分泌
Vitamin K-dependent factor refers to the clotting factors Ⅰ, Ⅵ, Ⅸ, Ⅹ, these factors are vitamin K-assisted synthesis of hepatocytes. Infant acquired vitamin K-dependent deficiency, refers to the natural bleeding after the newborn Time (1 week) late neonatal and infantile hemorrhagic disease, aged 10 days to 1 year of age, the most common in infants from January to February of this disease is gradually increasing domestic reports, but simply the performance of pulmonary hemorrhage cases Reported very little, the author encountered a case earlier this year, the report is as follows.Patients, women, 17 days after birth, due to sudden hemoptysis two hours in January 10, 1986 came to the hospital.The first child was pediatric, foot Months of birth, generally good after birth, breastfeeding, without complementary food, 12 days after birth off navel, umbilical weeks slightly red, a little purulent secretion