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Intestinal protozoan infections among children 0-168 months with diarrhea in Mozambique: June 2014 - January 2018.

ABSTRACT: BACKGROUND:Intestinal parasites such as Cryptosporidium spp., Giardia lamblia and Entamoeba histolytica can cause severe diarrhea, especially among children in developing countries. This study aims to determine the frequency of Cryptosporidium spp., Giardia lamblia and Entamoeba histolytica in children with diarrhea and identify risk factors for infection. METHODOLOGY:We conducted a cross-sectional study in children aged 0-168 months hospitalized with diarrhea in three regions of Mozambique, from June 2014 to January 2018. Following consent, caretakers were interviewed and a single stool specimen was collected from each child to diagnose Cryptosporidium spp., G. lamblia and E. histolytica using commercial immune-enzymatic assay (TechLab, Inc, Blacksburg, VA, USA). Anthropometric data were collected from the clinical reports. Multivariable logistic regression models were built to identify risk factors for Cryptosporidium spp. and G. lamblia infection. RESULTS:Twenty-one percent of all specimens (212/1008) presented at least one parasitic infection. Cryptosporidium spp. infection was the most common 12.0% (118/985), followed by G. lamblia 9.7% (95/983) and E. histolytica 2.0% (20/1004). Risk factors for infection by Cryptosporidium spp. were: provenience (children from Nampula province showed the highest risk, OR: 8.176; CI: 1.916-34.894; p-value < 0.01); animal contact (children with animal contact had a protective effect OR: 0.627; CI: 0.398-0.986; p-value < 0.05); underweight (children severely underweight showed a risk of 2.309; CI: 1.310-4.069; p-value < 0.05). Risk factors for infection by G. lamblia were: age (group with highest risk, 60-168 months (OR: 2.322; CI: 1.000-5.393, p-value > 0.05)); and living in a household with five or more members (OR: 2.141; CI: 1.286-3.565, p-value < 0.01). CONCLUSIONS:Parasitic infection is common among children with diarrhea. Routine testing, standard treatment, and assessment for risk exposure of children with diarrhea should be implemented at health facilities in Mozambique.

SUBMITTER: Bauhofer AFL

PROVIDER: S-EPMC7176080 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Intestinal protozoan infections among children 0-168 months with diarrhea in Mozambique: June 2014 - January 2018.

Bauhofer Adilson Fernando Loforte AFL Cossa-Moiane Idalécia I Marques Selma S Guimarães Esperança L EL Munlela Benilde B Anapakala Elda E Chilaúle Jorfélia J JJ Cassocera Marta M Langa Jerónimo S JS Chissaque Assucênio A Sambo Júlia J Manhique-Coutinho Lena L Bero Diocreciano Matias DM Kellogg Timothy A TA de Deus Nilsa N

PLoS neglected tropical diseases 20200422 4

<h4>Background</h4>Intestinal parasites such as Cryptosporidium spp., Giardia lamblia and Entamoeba histolytica can cause severe diarrhea, especially among children in developing countries. This study aims to determine the frequency of Cryptosporidium spp., Giardia lamblia and Entamoeba histolytica in children with diarrhea and identify risk factors for infection.<h4>Methodology</h4>We conducted a cross-sectional study in children aged 0-168 months hospitalized with diarrhea in three regions of ...[more]

PMID: 32320399

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Project description:BackgroundDespite major improvements in child survival rates, the number of deaths due to diarrhea remains unacceptably high. We aimed to describe diarrhea-associated mortality and evaluate risk factors for death among Mozambican children with moderate-to-severe diarrhea (MSD).MethodsBetween December 2007 and November 2012, children under-five with MSD were enrolled in Manhiça district, as part of the Global Enteric Multicenter study (GEMS). Clinical, epidemiological, and socio-demographic characteristics were collected. Anthropometric measurements were performed and stool samples collected upon recruitment. A follow-up visit ~?60?days post-enrolment was conducted and verbal autopsies performed in all death cases.ResultsOf the 916 MSD-cases analyzed; 90% (821/916) completed 60?days follow-up and 69 patients died. The case fatality rate at follow-up was 8% (69/821), and the mortality rate 10.2 (95%CI: 7.75-13.59) deaths per 1000 persons-week at risk. Nearly half of the deaths 48% (33/69) among study participants clustered within 2?weeks of the onset of diarrhea. Typical enteropathogenic Escherichia coli (typical EPEC) and Cryptosporidium were the two pathogens associated to an increased risk of death in the univariate analysis with (HR?=?4.16, p?=?0.0461) and (H?=?2.84, p?=?0.0001) respectively. Conversely, Rotavirus infection was associated to a decreased risk of death (HR?=?0.52, p?=?0.0198). According to the multivariate analysis, risk factors for death included co-morbidities such as malnutrition (HR?=?4.13, p?<? 0.0001), pneumonia/lower respiratory infection (HR?=?3.51, p?<? 0.0001) or invasive bacterial disease (IBD) (HR?=?6.80, p?=?0.0009), presenting on arrival with lethargy or overt unconsciousness (HR?=?1.73, p?=?0.0302) or wrinkled skin (HR?=?1.71, p?=?0.0393), and cryptosporidium infection (HR?=?2.14, p?=?0.0038). When restricting the analysis to those with available HIV results (n?=?191, 22% of the total study sample), HIV was shown to be a significant risk factor for death (HR?=?5.05, p?=?0.0009). Verbal autopsies were conducted in 100% of study deaths, and highlighted diarrhea as the main underlying cause of death 39%, (27/69); followed by HIV/AIDS related deaths 29.0% (20/69) and sepsis 11.6% (8/69).ConclusionPreventive strategies targeting Cryptosporidium, malnutrition and early identification and treatment of associated co-morbidities could contribute to the prevention of the majority of diarrhea associated deaths in Mozambican children.

Dataset Information

Intestinal protozoan infections among children 0-168 months with diarrhea in Mozambique: June 2014 - January 2018.

Publications

Intestinal protozoan infections among children 0-168 months with diarrhea in Mozambique: June 2014 - January 2018.

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