Epidemiological Analysis of Children'sEncephalic Arteritis Complicated by Leptospirosis

cases of children's encephalic arteritis complicated by leptospirosis were analyzed. The cases of leptospirosis occurred blow 12 years old, with a peak in the age group of 7-9 accounting for 43.9% of the total. A concentration of cases 73.5% occurred from November to next March. The serological investigation demonstrated that the children were infected by 8 serogroups of leptospirae and most of them belong to Pomona serogroup. The treatment effect of blood vessel dilatation drugs were not obvious and the treatment effect of enough penicillin were very good.The study pointed out that the cases of children's enphalic arteritis in the endemic areas of leptospirosis should consider the probability of being complicated by leptospirosis for the early diagnosis and treatment.