Eridan M. Coutinho|Frederico G. C. Abath|Constança Simões Barbosa|Ana Lúcia Coutinho Domingues|Marcelo C. V. Melo|Sílvia Maria Lucena Montenegro|M. Lucena|Sylvia A. M. Romani|Wayner Vieira de Souza|Amaury Coutinho
Factors Involved in Schistosoma mansoni Infection, in Rural Areas of Northeast Brazil
Fundação Oswaldo Cruz|Fundação Oswaldo Cruz|Fundação Oswaldo Cruz|Hospital das Clínicas da Universidade Federal de Pernambuco|Hospital das Clínicas da Universidade Federal de Pernambuco|Fundação Oswaldo Cruz|Hospital das Clínicas da Universidade Federal de Pernambuco|Hospital das Clínicas da Universidade Federal de Pernambuco|Fundação Oswaldo Cruz|Fundação Oswaldo Cruz
two contiguous villages tracunham county state pernambuco endemic schistosomiasis studied itapinassu 138 inhabitants joaquim 91 inhabitants agriculture predominates former region ceramics main activity latter although statistical difference found regarding prevalence severe infection 400 epg predominated itapinassu probably related kind occupation association found parasite burden severity disease spite high infection rates schistosoma mansoni communities approx 60 typical epidemiological features schistosomiasis agerelated prevalences intensities infection high children low adults also mutual characteristics nutritional status determined anthropometric evaluation carried measuring specific anthropometric indicators deficit energy intake well vitamin riboflavin deficiencies detected prevalence moderate severe undernutrition patients 18 years old 219 itapinassu 241 joaquim group association found prevalence schistosomiasis chronic undernutrition similarly patients 18 year old prevalence undernutrition higher 20 however case association nutritional status either prevalence schistosomiasis parasite burden could detected two communities treated eight yearspatterns schistosomiasis infection compared two contiguous endemic villages northeast brazils tracunhaem county pernambuco state itapinassu 138 inhabitants sao joaquim 91 inhabitants overall prevalence schistosomiasis tracunhaem state 587 rate 616 itapinassu 542 sao joaquim severe infection 400 epg prevalent itapinassu 351 sao joaquim 133 ultrasound revealed severe pathologic changes eg periportal fibrosis right liver lobe shrinkage left lobe spleen enlargement former village higher prevalence severe infection itapinassu likely related predominance agricultural occupations sao joaquim residents engaged ceramics schistosomiasis prevalence significantly positively associated increasing age male sex residence village 5 years daily water contact fishing laundering less 10 distance infected stream lack cesspools chronic undernutrition deficit energy intake well vitamin riboflavin deficiencies detected villages role factors especially nutritional status analyzed order develop integrated model local control disease