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传染性红斑(EI)是由人类细小病毒(HPV/B19)所引起。HPV/B19成人感染和小儿的传染性红斑症状不同,具有关节痛、肝机能异常、出血斑等症状,特别是妊娠时感染可引起胎儿水肿。作者拟介绍仙台市东北部流行 HPV/B19的家族内感染特别是小儿的 EI患者感染亲人状况的调查结果。1989年11月末到1990年1月末2个月时间内,以密切接触患儿的亲人为对象共计24名进行采血,对HPV/B19特异的 IgM、IgG 抗体、HPV/B19抗原进行了测定。HPV/B19抗原、抗体检查结果,陪同感染 EI 小儿来医院就诊的保护者9名中有4名,来院时没有症状,IgM 抗体阳性判断为不显性感染。小孩发病时抗体阳性的病例,考虑小孩从亲属感染而来。另一方面,小儿患 EI,因皮疹、关节痛等症状为主诉来院的成
Infectious erythema (EI) is caused by the human parvovirus (HPV / B19). Infections with HPV and B19 in adults and children with infectious erythema different symptoms, with joint pain, liver dysfunction, bleeding spots and other symptoms, especially during pregnancy can cause fetal edema. The authors intend to introduce the findings of a survey on the relatives’ status of EI patients with familial infections, especially pediatric patients, of the endemic HPV / B19 in northeastern Sendai City. A total of 24 blood samples collected from close relatives of infants who were in close contact with children during the two-month period from the end of November 1989 to the end of January 1990 were measured for HPV / B19-specific IgM, IgG antibodies and HPV / B19 antigens. HPV / B19 antigen, antibody test results, escort EI pediatric care to the hospital for treatment in 4 out of 9, to hospital without symptoms, IgM antibody positive judged as non-dominant infection. Antibody-positive cases of child onset, consider the child from relatives infected. On the other hand, children suffering from EI, due to rash, joint pain and other symptoms of the main complaint to the hospital into