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Hernández-Castro C, Agudelo-López SDP, Medina-Lozano AP, López-García D, García-Tuberquia LA, Botero-Garcés JH, Orozco-Peláez MC, Bolaños-Muñoz M, Bejarano-Villafañe DA, Carmena D. The burden of intestinal parasitic infections in Antioquia, Colombia: Impact in childhood growth development and nutritional status. Acta Trop 2024; 251:107119. [PMID: 38195005 DOI: 10.1016/j.actatropica.2024.107119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 09/04/2023] [Accepted: 01/06/2024] [Indexed: 01/11/2024]
Abstract
Gastrointestinal protist (GP) and soil-transmitted helminth (STH) infections cause significant morbidity among children in poor-resource settings of tropical and sub-tropical countries including Colombia. Few prospective transversal studies investigating how GP and STH infections affect growth development and nutritional status during childhood have been conducted in this country, none of them in the Antioquia Department. This microscopy-based study estimated the prevalence of GP and helminth (including STH) infections in faecal samples from schoolchildren (n = 384) collected during April-May 2019 in three municipalities of the Antioquia Department. Demographic, epidemiological, and household data were elicited through face-to-face interviews. Parasite detection was carried out by direct microscopic examination of both fresh smears and concentrated faecal material. Children (aged 6-15 years) also had their haemoglobin (Hb) levels, height and weight data collected, and BMI estimated. Data were analysed using bivariate and multivariate logistic regression analysis. Overall, 60.7 % (233/384) of schoolchildren were infected by at least one intestinal parasitic species. Among GPs, Blastocystis sp. was the most common species found (47.7 %, 95 % CI: 42.6-52.8), followed by G. duodenalis (15.9 %, 95 % CI: 12.4-19.9). Cryptosporidium spp. and Cyclospora cayetanensis were sporadically identified (0.3 %, 95 % CI: 0.1-1.4 each). Among helminths, the most prevalent species found were Trichuris trichiura (6.0 %, 95 % CI: 3.8-8.9) and Enterobius vermicularis (1.0 %, 95 % CI: 0.3-2.6). Hookworms, Ascaris lumbricoides, and Strongyloides stercoralis were found at prevalence rates <1 %. Underweight, overweigh, or obese schoolchildren had 1.2 times greater chance of being infected with intestinal parasites than their counterparts with a healthy weight (P-value: 0.015). Variables significantly associated with an increased likelihood of being infected by intestinal parasites include living in a household with unfinished flouring, not wearing shoes, being in close proximity to rodents, and having improper waste disposal. Relatively simple interventional measures directed towards the improvement of household conditions, access to sanitary toilets, and promoting shoe wearing can significantly reduce childhood infections by GP and helminths in the Antioquia Department.
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Affiliation(s)
- Carolina Hernández-Castro
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia; Parasitology Reference and Research Laboratory, National Centre for Microbiology, Madrid, Majadahonda 28220, Spain.
| | - Sonia Del Pilar Agudelo-López
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Angélica Patricia Medina-Lozano
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Diego López-García
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Luis Alfonso García-Tuberquia
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Jorge Humberto Botero-Garcés
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - María Cenelia Orozco-Peláez
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Manuela Bolaños-Muñoz
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - Daniel Antonio Bejarano-Villafañe
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies, University of Antioquia, Medellín 050010, Colombia
| | - David Carmena
- Parasitology Reference and Research Laboratory, National Centre for Microbiology, Madrid, Majadahonda 28220, Spain; Center for Biomedical Research Network (CIBER) in Infectious Diseases, Health Institute Carlos III, Madrid 28008, Spain
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Zavala GA, García OP, Ronquillo D, Doak CM, Caamaño MDC, Camacho M, Rosado JL. Dietary Energy Density Is Associated with Biomarkers of Chronic Diseases-A Cross-Sectional Study of School-Aged Children in Rural Mexico. Curr Dev Nutr 2024; 8:102096. [PMID: 38463689 PMCID: PMC10924138 DOI: 10.1016/j.cdnut.2024.102096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/29/2024] [Accepted: 02/01/2024] [Indexed: 03/12/2024] Open
Abstract
Background Dietary energy density (DED) is associated with chronic disease markers in adults. However, results in children are still controversial. Objective To evaluate the DED of children and its association with obesity and biomarkers of chronic disease. Methods In this cross-sectional study, we recruited 284 children (6-10 y) from rural Mexico. Dietary intake was assessed using three 24-h recalls. DED was calculated for "foods only" (DEDfo) and for "foods and beverages" (DEDfb). Weight, height, and body fat percent (dual-energy X-ray absorptiometry) were measured. Inflammatory cytokines, lipid profile, leptin, and insulin resistance were determined from a fasting blood sample. Results DEDfo was 1.91 ± 0.36 kcal/g and DEDfb was 1.36 ± 0.31 kcal/g. Higher DEDfo and DEDfb were associated with higher risk to have insulin resistance [odds ratio (OR) = 3.92, 95% confidence interval (CI): 1.66, 9.22, P < 0.01; OR = 3.51, 95% CI: 1.25, 9.87, P = 0.02, respectively]. Higher DEDfo was associated with higher risk of higher leptin levels (OR = 3.17, 95% CI: 1.01, 10.23). Also, DEDfo and DEDfb were associated with higher concentrations of cholesterol (β = 11.67, 95% CI: 1.81, 19.53, P = 0.03; and β = 11.74, 95% CI: 2.69, 20.74 P = 0.01, respectively) and higher odds of having high insulin concentrations (OR = 2.52, 95% CI: 1.26, 5.06, P = 0.01; and OR = 2.95, 95% CI: 1.30, 6.70, P = 0.01). DEDfo and DEDfb were not associated with any measure of obesity and inflammatory cytokines in the adjusted models. Conclusions DED was associated with higher leptin and cholesterol concentrations, and having insulin resistance, but not with any measure of obesity or inflammation. Reducing DED may reduce risk of cardiovascular disease and improve insulin sensitivity in school-aged children.
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Affiliation(s)
- Gerardo A Zavala
- Department of Health Sciences, University of York, Heslington, York, United Kingdom
| | - Olga P García
- School of Natural Sciences, Universidad Autónoma de Querétaro, Santiago de Querétaro, Mexico
| | - Dolores Ronquillo
- School of Natural Sciences, Universidad Autónoma de Querétaro, Santiago de Querétaro, Mexico
| | - Colleen M Doak
- Public Health, St Ambrose University, Davenport, IA, United States
| | | | - Mariela Camacho
- School of Natural Sciences, Universidad Autónoma de Querétaro, Santiago de Querétaro, Mexico
| | - Jorge L Rosado
- School of Natural Sciences, Universidad Autónoma de Querétaro, Santiago de Querétaro, Mexico
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Cossa-Moiane I, Roucher C, Mac Quene T, Campos-Ponce M, de Deus N, Polman K, Doak C. Association between Intestinal Parasite Infections and Proxies for Body Composition: A Scoping Review. Nutrients 2022; 14:nu14112229. [PMID: 35684029 PMCID: PMC9182792 DOI: 10.3390/nu14112229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 12/03/2022] Open
Abstract
It has long been recognized that intestinal parasite infections and undernutrition are closely linked. However, little is known about the role of intestinal parasite infections (IPIs), or parasite clearance, in these processes. The aim of this scoping review was to summarize published evidence on the association between IPIs and body composition. PRISMA guidelines, PubMed/MEDLINE, EMBASE and Cochrane Library databases were searched up until June 2021. Studies reporting on IPIs in relation to (proxies for) body composition were eligible. Study quality and risk of bias were assessed using Joanna Briggs Institute (JBI) critical appraisal tools. Twenty-four studies were included, two Randomized Control Trials (RCTs) and 22 observational. Most observational studies showed IPIs to be associated with lower Body Mass Index (BMI) or being underweight as proxies for body composition. One RCT showed no effect of antiparasitic treatment on body composition, while the other one showed a significant post-treatment increase in body fat, as measured by BMI z-scores and skinfolds. This review lends support to distinct associations between IPIs and body composition. More longitudinal studies are needed using direct measures of body composition to investigate whether weight gained after antiparasitic treatment concerns an increase in body fat or healthy weight gain.
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Affiliation(s)
- Idalécia Cossa-Moiane
- Instituto Nacional de Saúde (INS), Maputo 264, Mozambique;
- Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerpen, Belgium; (C.R.); (K.P.)
- Correspondence: ; Tel.: +258-843273270
| | - Clémentine Roucher
- Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerpen, Belgium; (C.R.); (K.P.)
| | - Tamlyn Mac Quene
- Centre for Global Surgery, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Matieland 7602, South Africa;
| | - Maiza Campos-Ponce
- Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands;
| | - Nilsa de Deus
- Instituto Nacional de Saúde (INS), Maputo 264, Mozambique;
- Departamento de Ciências Biológicas, Universidade Eduardo Mondlane, Maputo 3453, Mozambique
| | - Katja Polman
- Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerpen, Belgium; (C.R.); (K.P.)
- Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands;
| | - Colleen Doak
- Center for Health Sciences Education, College of Health Sciences, St. Ambrose University, Davenport, IA 52803, USA;
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da Silva RKM, Dib LV, Amendoeira MR, Class CC, Pinheiro JL, Fonseca ABM, Barbosa ADS. Balantidiasis in humans: A systematic review and meta-analysis. Acta Trop 2021; 223:106069. [PMID: 34339668 DOI: 10.1016/j.actatropica.2021.106069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/08/2021] [Accepted: 07/22/2021] [Indexed: 11/27/2022]
Abstract
Balantioides coli is a protozoan that infects different hosts species, including humans, with zoonotic transmission. The parasite, which lives in the large intestine and in other organs, can lead to serious infections that may culminate in death. Information about human balantidiasis is generally still very scanty. In view of the above, the purpose of this study was to analyze the epidemiological, clinical and laboratory characteristics of human balantidiasis based on a systematic review and meta-analysis. The scientific articles were retrieved from various databases and were subjected to descriptive analyses, chi-squared tests, and summarized on a forest plot and the heterogeneity index (I2). A total of 103 articles were eligible and included in this review. Out of these 103 articles, 75 were clinical case reports and 28 were epidemiological studies, indicating a frequency of 997 (3.98%) people potentially infected with B. coli. The publication dates of the analyzed articles ranged from 1910 to 2020, but the majority (68.9%) were published between 1998 and 2020. A considerable number of these articles were published in South America and Asia, mostly in Brazil and India, respectively. However, in Africa, Ethiopia, was observed the higher number of infected people (47.5%). A significant association (p < 0.05) was identified between proximity to pigs and positivity for B. coli, since more than 16% infected people were in proximity with pigs and/or their excreta. Infection by the protozoan was classified mainly as intestinal, and the predominant symptom was dysentery. Extraintestinal infections were found in 27 individuals, with colonization of the genitourinary tract frequently highlighted. Direct examination (17.2%), followed by an association of direct examination and sedimentation (45.7%), were the most commonly performed parasitological techniques, and the most frequently diagnosed form was trophozoites, corresponding to 22.5% of cases. The most common treatment for parasitized individuals (11.8%) was an association of tetracycline drugs with nitroimidazole derivatives. The articles retrieved, mainly epidemiological ones, used in meta-analysis showed high heterogeneity (I2> 50%, p < 0.05), impairing the retrieval and comparison of results. Some articles were found to provide incomplete information, making it difficult to retrieve and analyze variables. However, this review enabled us to compile and restate factors that appear to be associated with cases of human balantidiasis.
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Affiliation(s)
- Rayana Katylin Mendes da Silva
- Microbiology and Parasitology Department, Federal Fluminense University, Biomedical Institute, Professor Hernani de Mello Street, 101, São Domingos, Niterói, Rio de Janeiro 24210-130, Brazil
| | - Laís Verdan Dib
- Microbiology and Parasitology Department, Federal Fluminense University, Biomedical Institute, Professor Hernani de Mello Street, 101, São Domingos, Niterói, Rio de Janeiro 24210-130, Brazil; Toxoplasmosis and other Protozoosis Laboratory, Oswaldo Cruz Institut, Oswaldo Cruz Foudation, Brazil Avenue, 4365, Manguinhos, Rio de Janeiro 21045-900, Brazil
| | - Maria Regina Amendoeira
- Toxoplasmosis and other Protozoosis Laboratory, Oswaldo Cruz Institut, Oswaldo Cruz Foudation, Brazil Avenue, 4365, Manguinhos, Rio de Janeiro 21045-900, Brazil
| | - Camila Carvalho Class
- Microbiology and Parasitology Department, Federal Fluminense University, Biomedical Institute, Professor Hernani de Mello Street, 101, São Domingos, Niterói, Rio de Janeiro 24210-130, Brazil
| | - Jessica Lima Pinheiro
- Microbiology and Parasitology Department, Federal Fluminense University, Biomedical Institute, Professor Hernani de Mello Street, 101, São Domingos, Niterói, Rio de Janeiro 24210-130, Brazil
| | - Ana Beatriz Monteiro Fonseca
- Department of Statistics, Federal Fluminense University, Institute of Mathematics and Statistics, Professor Marcos Waldemar de Freitas Reis Street s / n, São Domingos, Niterói, Rio de Janeiro, 24210-200, Brazil.
| | - Alynne da Silva Barbosa
- Microbiology and Parasitology Department, Federal Fluminense University, Biomedical Institute, Professor Hernani de Mello Street, 101, São Domingos, Niterói, Rio de Janeiro 24210-130, Brazil; Toxoplasmosis and other Protozoosis Laboratory, Oswaldo Cruz Institut, Oswaldo Cruz Foudation, Brazil Avenue, 4365, Manguinhos, Rio de Janeiro 21045-900, Brazil.
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Wren-Atilola HM, Solomons NW, Scott ME, Koski KG. Infant Anthropometry and Growth Velocity Before 6 Months are Associated with Breastfeeding Practices and the Presence of Subclinical Mastitis and Maternal Intestinal Protozoa in Indigenous Communities in Guatemala. Curr Dev Nutr 2021; 5:nzab086. [PMID: 34585057 PMCID: PMC8460162 DOI: 10.1093/cdn/nzab086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/21/2021] [Accepted: 05/31/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The possibility that maternal health status and breastfeeding practices contribute to growth faltering before 6 mo is underexplored. OBJECTIVES This longitudinal study investigated whether indicators of subclinical mastitis (SCM) and breast inflammation, maternal fecal-oral contamination, and/or breastfeeding practices were associated with infant anthropometry or growth velocity before 6 mo. METHODS Indigenous Mam-Mayan mother-infant dyads (n = 140) were recruited. Breast milk was collected at early (<6 wk) and established (4-6 mo) lactation when maternal and infant anthropometry were measured. Milk Na:K ratio as an indicator of SCM and concentrations of 4 proinflammatory cytokines were measured. Maternal stool samples were examined for the presence of intestinal parasites including nonpathogenic protozoa (Endolimax nana, Iodamoeba bütschlii, Entamoeba coli, Blastocystis hominis). Questionnaires characterized breastfeeding and hygiene practices. Multiple linear regression identified factors associated with infant growth attainment [weight-for-age z-score (WAZ), length-for-age z-score (LAZ), and head circumference-for-age z-score (HCAZ)] and growth velocity (expressed as change per day from early to established lactation). Multiple logistic regression identified factors associated with increased odds of underweight, stunting, and low head circumference at both lactation stages. RESULTS A higher Na:K ratio, individual nonpathogenic protozoa, and specific breastfeeding and hygiene practices were associated with impaired growth before 6 wk and at 4-6 mo in exclusively breastfed infants. Growth velocity for weight was inversely associated with Entamoeba coli but cranial growth was associated positively with Iodamoeba bütschlii whereas feeding colostrum in early lactation was protective and decreased the odds of an HCAZ < -2 SD. Finally, the presence of SCM in early lactation increased the likelihood of both WAZ < -2 SD and LAZ < -2 SD by 6 wk. CONCLUSIONS Prevention of SCM can improve early infant weight, but measures that promote the feeding of colostrum and reduce exposure to fecal-oral contamination might be required to minimize infant growth faltering in breastfed infants.
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Affiliation(s)
- Hilary M Wren-Atilola
- School of Human Nutrition, McGill University (Macdonald Campus), Ste-Anne de Bellevue, Quebec, Canada
| | - Noel W Solomons
- Center for Studies of Sensory Impairment, Aging and Metabolism (CeSSIAM), Guatemala City, Guatemala
| | - Marilyn E Scott
- Institute of Parasitology, McGill University (Macdonald Campus), Ste-Anne de Bellevue, Quebec, Canada
| | - Kristine G Koski
- School of Human Nutrition, McGill University (Macdonald Campus), Ste-Anne de Bellevue, Quebec, Canada
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Are intestinal parasites associated with obesity in Mexican children and adolescents? Parasitol Int 2019; 71:126-131. [PMID: 30951870 DOI: 10.1016/j.parint.2019.04.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 04/01/2019] [Accepted: 04/02/2019] [Indexed: 11/24/2022]
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Wilson A, Fearon D. Paediatric Strongyloidiasis in Central Australia. Trop Med Infect Dis 2018; 3:E64. [PMID: 30274460 PMCID: PMC6073483 DOI: 10.3390/tropicalmed3020064] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/06/2018] [Accepted: 06/06/2018] [Indexed: 11/24/2022] Open
Abstract
Few published studies are available describing the prevalence of paediatric strongyloidiasis in endemic areas within Australia. This literature review and exploratory clinical audit presents the first seroprevalence data for paediatric patients in Central Australia. A total of 16.1% (30/186) of paediatric inpatients tested for Strongyloides stercoralis in 2016 were seropositive (95% CI: 11.5% to 22.1%). Eosinophilia of unknown aetiology was the most common indication for testing (91.9%). Seropositive patients were significantly more likely to reside in communities outside of Alice Springs (p = 0.02). Seropositive patients were noted to have higher mean eosinophil counts with a mean difference of 0.86 × 10⁸/L (95% CI: 0.56 to 1.16, p < 0.0001), although the limited utility of eosinophilia as a surrogate marker of strongyloidiasis has been described previously. All seropositive patients were Indigenous. There was no significant difference in ages between groups. There was a male predominance in the seropositive group, although this was not significant (p = 0.12). Twelve patients had known human T-lymphotropic virus 1 (HTLV-1) status and all were seronegative. Further research describing the epidemiology of strongyloidiasis in Central Australia is required.
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Affiliation(s)
- Angela Wilson
- BBioMedSci MBBS Hons, Paediatric Senior Registrar, Department of Paediatrics, Alice Springs Hospital, P.O. Box 2234, Alice Springs NT 0871, Australia.
| | - Deborah Fearon
- FRACP, Head of Department, Department of Paediatrics, Alice Springs Hospital, P.O. Box 2234, Alice Springs NT 0871, Australia.
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Zavala GA, García OP, Camacho M, Ronquillo D, Campos‐Ponce M, Doak C, Polman K, Rosado JL. Intestinal parasites: Associations with intestinal and systemic inflammation. Parasite Immunol 2018; 40:e12518. [PMID: 29364525 PMCID: PMC5901043 DOI: 10.1111/pim.12518] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 01/17/2018] [Indexed: 12/12/2022]
Abstract
The aim of the present study was to evaluate associations between intestinal parasitic infection with intestinal and systemic inflammatory markers in school-aged children with high rates of obesity. Plasma concentrations of C-Reactive Protein (CRP), leptin, TNF-α, IL-6 and IL-10 were measured as systemic inflammation markers and count of stool leukocytes as marker of intestinal inflammation in 291 children (6-10 years). Intestinal parasitic infection was measured by stool examination. Logistic regression analyses were performed to determine the odds of having high inflammatory markers for each parasite or group of parasites as compared to parasite-free children while adjusting for sex, age, mother's educational level and percentage of body fat. The prevalence of soil-transmitted helminths and intestinal protozoa infections was 12% and 36%, respectively. Parasitic infection was not associated with CRP, IL-6, IL-10 or TNF-α. Children infected with Ascaris lumbricoides (aOR: 5.91, 95% CI: 1.97-17.70) and Entamoeba coli (aOR: 8.46, 95% CI: 2.85-25.14) were more likely to have higher stool leucocytes than parasite-free children. Children with multiple infections (aOR: 10.60, 95% CI: 2.85-25.14) were more likely to have higher leptin concentrations than parasite-free children. Intestinal parasitic infection was not associated with systemic inflammation, but was associated with intestinal inflammation. Having multiple infections were associated with higher leptin concentrations.
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Affiliation(s)
- G. A. Zavala
- Facultad de Ciencias NaturalesUniversidad Autónoma de QuerétaroQuerétaroMexico
- Faculty of Earth & Life SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - O. P. García
- Facultad de Ciencias NaturalesUniversidad Autónoma de QuerétaroQuerétaroMexico
| | - M. Camacho
- Facultad de Ciencias NaturalesUniversidad Autónoma de QuerétaroQuerétaroMexico
| | - D. Ronquillo
- Facultad de Ciencias NaturalesUniversidad Autónoma de QuerétaroQuerétaroMexico
| | - M. Campos‐Ponce
- Faculty of Earth & Life SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - C. Doak
- Faculty of Earth & Life SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - K. Polman
- Faculty of Earth & Life SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
- Department of Biomedical SciencesInstitute of Tropical Medicine AntwerpAntwerpBelgium
| | - J. L. Rosado
- Facultad de Ciencias NaturalesUniversidad Autónoma de QuerétaroQuerétaroMexico
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