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目的研究上海地区不同职业家庭不同年龄组的儿童幽门螺杆菌(H.pylori)感染的流行病学情况,以探讨不同经济状况下,儿童感染H.pylori的年龄阶段以及家庭H.pylori人群的分布对儿童H.pylori感染的影响。方法1119名就读于上海地区市中心与郊区学校的学生,男性568名,女性551名,年龄7～l4岁。问卷调查每位学生的居住环境、常住人口、父母职业和受教育程度、家庭的经济收入,有无消化道症状及慢性胃炎、溃疡病史等,同时采用ELISA方法检测血中H.pyloriIgG抗体。结果无症状儿童中7岁年龄组的H.pylori感染率为30.91%,在7～12岁年龄阶段随着年龄的增加H.pylori感染率也逐渐上升,平均年递增3.28%;工人和农民家庭的儿童较小的年龄即有较高的H.pylori感染率;生活在父母感染H.pylori家庭中的儿童更容易感染H.pylori。结论经济水平较低的家庭中,儿童H.pylori感染率高,而且较小年龄即有感染;H.pylori感染有家庭聚集现象。
Objective To study the prevalence of H.pylori infection in children of different occupations in different age groups in Shanghai in order to explore the distribution of H.pylori in children and their families in different economic situations Effect on Children’s H.pylori Infection. Methods A total of 1119 students enrolled in Shanghai downtown and suburban schools, 568 males and 551 females, aged 7 to 14 years old. Questionnaire survey each student’s living environment, resident population, parents’ occupation and education level, the family’s economic income, with or without gastrointestinal symptoms and chronic gastritis, ulcer disease history, at the same time using ELISA method to detect H.pylori IgG antibody in blood. Results The prevalence of H.pylori in 7-year-old children asymptomatic group was 30.91%. The H.pylori infection rate gradually increased with age increasing from 7 to 12 years old, with an average annual increase of 3.28%. Workers and peasant families Of children have a higher H.pylori infection rate at a younger age; children living in parents infected with H.pylori are more likely to become infected with H.pylori. Conclusion Among the families with lower economic level, H.pylori infection rate is higher in children and younger age, and there is familial aggregation in H.pylori infection.