Infection by Helicobacter Pylori in Bangladeshi Children From Birth to Two Years Relation to Blood Group, Nutritional Status, and Seasonality

被引:32
作者
Bhuiyan, Taufiqur-Rahman [2 ]
Qadri, Firdausi [1 ]
Saha, Amit
Svennerholm, Ann-Mari [2 ]
机构
[1] Int Ctr Diarrhoeal Dis Res, Immunol Lab, Div Sci Lab, Dhaka, Bangladesh
[2] Univ Gothenburg, Sahlgrenska Acad, Inst Biomed, Dept Microbiol & Immunol, Gothenburg, Sweden
关键词
birth cohort; Helicobacter pylori; epidemiology; ENTEROTOXIGENIC ESCHERICHIA-COLI; C-13-UREA BREATH TEST; DEVELOPED-COUNTRIES; COLONIZATION; PREVALENCE; LIFE; ANTIBODIES; CHILDHOOD; COMMUNITY; INFANTS;
D O I
10.1097/INF.0b013e31818a5d9d
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Background: A birth cohort of 238 children was followed in all urban slum in Dhaka, Bangladesh, to determine incidence, prevalence, and epidemiologic factors related to Helicobacter pylori infection. Methods: H. pylori infection was determined by a specific stool antigen test its well as enzyme-linked immunosorbent assay for detecting specific IgA and IgG antibodies in sera in children who completed 2 years of follow-up. Results: Using the stool antigen test and serology, 50% and 60% of infants respectively, were positive for H. pylori by 2 years: an increase in the inflection rate was seen after 6 months of age. Determination of specific antibodies in sera and detection of H. pylori antigen in stool were comparable. A typical seasonality, peaking in spring and autumn, was observed for acquisition of initial H. pylori infection. Children with blood group "A" were More susceptible to H. pylori infection than those with other ABO blood groups. Malnutrition did not seem to promote colonization by H. pylori However, H. pylori-infected children were more often infected by multiple enteropathogens, often isolated at different time points. Conclusions: This study shows that noninvasive diagnostic methods such as serology and the stool antigen test are suitable for the Study of acquisition of H. pylori infections in infants and call be used in field settings as well as in laboratories and clinical setting having less well equipped facilities. The Study also shows seasonality for initial H. pylori infection and it relationship between blood group "A" and infection.
引用
收藏
页码:79 / 85
页数:7
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