High prevalence of acute respiratory tract infections among Warao Amerindian children in Venezuela in relation to low immunization coverage and chronic malnutrition.
SourcePediatric Infectious Disease Journal, 31, 3, (2012), pp. 255-262
1 maart 2012
Article / Letter to editor
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Paediatrics - OUD tm 2017
Laboratory of Genetic, Endocrine and Metabolic Diseases
Pediatric Infectious Disease Journal
SubjectN4i 1: Pathogenesis and modulation of inflammation NCMLS 1: Infection and autoimmunity; N4i 2: Invasive mycoses and compromised host; N4i 4: Auto-immunity, transplantation and immunotherapy
BACKGROUND: Higher prevalence rates of acute respiratory tract infections (ARTIs) have been described in Australian and Canadian indigenous populations than in nonindigenous age-matched counterparts. Few studies on ARTIs in South American indigenous populations have been published. We performed a cross-sectional survey to describe the prevalence of upper respiratory tract infections and acute lower respiratory tract infections (ALRTIs) and associations with malnutrition and immunization status. METHODS: From December 1, 2009 to May 31, 2010, 487 Warao Amerindian children 0 to 59 months of age living in the Delta Amacuro in Venezuela were included in a cross-sectional survey. Data were obtained through parent questionnaires, vaccination cards, and physical examinations including anthropometric measurements. RESULTS: Of the 487 children, 47% presented with an ARTI. Of these, 60% had upper respiratory tract infections and 40% were ALRTI. Immunization coverage was low, with only 27% of all children presenting a vaccination card being fully immunized. The prevalence of malnutrition was high (52%), with stunting (height-for-age <-2 standard deviations) being the most frequent presentation affecting 45% of children. ARTI and ALRTI prevalence diminished with increasing age (odds ratio for ALRTI in children 25-59 months of age vs. children younger than 12 months, 0.49; 95% confidence interval, 0.26-0.93). Furthermore, significant differences in ARTI prevalence were seen between villages. No significant associations between immunization status or malnutrition and ARTI or ALRTI prevalence were identified. CONCLUSIONS: A high prevalence of ARTIs and chronic malnutrition in combination with a low immunization status highlights the need for an integrated approach to improve the health status of indigenous Venezuelan children.
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