prevalence of strongyloides stercoralis and other intestinal parasite infections in school children in a rural area of angola a cross sectional study
Copyright policy )prevalence of strongyloides stercoralis and other intestinal parasite infections in school children in a rural area of angola a cross sectional study
Strongyloides stercoralis is widely distributed in the tropics and subtropics. The aim of this study was to determine the prevalence of S. stercoralis and other intestinal parasites and identify the risk factors for infection with S. stercoralis in a rural area of Angola. A cross-sectional study was conducted in school-age children (SAC) in Cubal, Angola. A questionnaire collecting clinical and epidemiological variables was used, and two stool samples were collected. A concentration technique (Ritchie) and a technique for detection of larvae migration (Baermann) were performed. Of 230 SAC, 56.1% were female and the mean age was 9.3 years (SD 2.45). Severe malnutrition, according to body mass index (BMI)-for-age, was observed in 20.4% of the SAC, and anemia was found in 59.6%. Strongyloides stercoralis was observed in 28 of the 230 (12.8%) SAC. Eggs of other helminths were observed in 51 (22.2%) students: Hymenolepis spp. in 27 students (11.7%), hookworm in 14 (6.1%), Schistosoma haematobium in four (1.7%), Enterobius vermicularis in four (1.7%), Ascaris lumbricoides in three (1.3%), Taenia spp. in two (0.9%), and Fasciola hepatica in one (0.4%). Protozoa were observed in 17 (7.4%) students. Detection of S. stercoralis was higher using the Baermann technique versus using formol-ether (11.3 vs. 3%). Overall prevalence of S. stercoralis in the school population of 16 studied schools in the municipal area of Cubal was greater than 10%. This fact must be considered when designing deworming mass campaigns. The use of specific tests in larvae detection is needed to avoid overlooking this parasite.
- Vall d'Hebron University Hospital (ICS-HUVH) Spain
- Instituto de Salud Carlos III Spain
- Hebron University Palestinian-administered areas
- Centro Nacional de Medicina Tropical Spain
- Vall d'Hebron Hospital Universitari Spain
Male, Rural Population, :Other subheadings::Other subheadings::/epidemiology [Other subheadings], Feces, Risk Factors, Prevalence, Animals, Humans, :personas::Grupos de Edad::niño [DENOMINACIONES DE GRUPOS], Intestinal Diseases, Parasitic, Helmints, Child, Intestins - Infeccions, Parasite Egg Count, :Personas::Grupos de Edad::Niño [DENOMINACIONES DE GRUPOS], :Otros calificadores::Otros calificadores::/epidemiología [Otros calificadores], :Persons::Age Groups::Child [NAMED GROUPS], :enfermedades parasitarias::parasitosis intestinales [ENFERMEDADES], Cross-Sectional Studies, Angola, Escolars, :Geographic Locations::Africa::Africa South of the Sahara::Africa, Southern::Angola [GEOGRAPHICALS], :Enfermedades Parasitarias::Parasitosis Intestinales [ENFERMEDADES], Strongyloidiasis, :Ubicaciones Geográficas::África::África del Sur del Sahara::África Austral::Angola [DENOMINACIONES GEOGRÁFICAS], Female, :Parasitic Diseases::Intestinal Diseases, Parasitic [DISEASES], Strongyloides stercoralis
Male, Rural Population, :Other subheadings::Other subheadings::/epidemiology [Other subheadings], Feces, Risk Factors, Prevalence, Animals, Humans, :personas::Grupos de Edad::niño [DENOMINACIONES DE GRUPOS], Intestinal Diseases, Parasitic, Helmints, Child, Intestins - Infeccions, Parasite Egg Count, :Personas::Grupos de Edad::Niño [DENOMINACIONES DE GRUPOS], :Otros calificadores::Otros calificadores::/epidemiología [Otros calificadores], :Persons::Age Groups::Child [NAMED GROUPS], :enfermedades parasitarias::parasitosis intestinales [ENFERMEDADES], Cross-Sectional Studies, Angola, Escolars, :Geographic Locations::Africa::Africa South of the Sahara::Africa, Southern::Angola [GEOGRAPHICALS], :Enfermedades Parasitarias::Parasitosis Intestinales [ENFERMEDADES], Strongyloidiasis, :Ubicaciones Geográficas::África::África del Sur del Sahara::África Austral::Angola [DENOMINACIONES GEOGRÁFICAS], Female, :Parasitic Diseases::Intestinal Diseases, Parasitic [DISEASES], Strongyloides stercoralis
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