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Updated: Aug 25, 2026

Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
[Inflammation mediators (C reactive protein) in children with proteic-energetic malnutrition and in eutrophic
Alis Amesty-Valbuena1, Nayda Pereira, José L Castillo
1Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela. aamesty@hotmail.com
Insights
Malnourished children with infection show higher C-reactive protein (CRP) levels than non-infected malnourished or healthy infected children. Malnourished children can produce CRP during infection, but differently than healthy children.
Area of Science:
- Biochemistry
- Pediatrics
- Immunology
Context:
- Malnutrition impacts immune response.
- Infection exacerbates health issues in malnourished children.
- C-reactive protein (CRP) is a key inflammatory marker.
Purpose:
- To measure C-reactive protein (CRP) levels in Venezuelan children.
- To compare CRP levels between normal, malnourished, infected, and non-infected children.
- To understand CRP production in malnourished children during infection.
Summary:
- A multicenter study analyzed CRP in 109 children (6 months–6 years).
- Severely malnourished infected children had significantly higher CRP (80.80 mg/L) than non-infected malnourished (8.17 mg/L) and healthy infected children.
- Malnourished children produce CRP during infection, but distinct from eutrophic children.
Impact:
- Findings highlight altered CRP response in malnourished children with infection.
- Suggests differential inflammatory pathways in pediatric malnutrition and infection.
- Informs clinical assessment and management of infected, malnourished children.
Abstract:
A multicentrical clinical study was designed with the purpose of measuring C-reactive protein (CRP) in normal and malnourished children, with and without infection. Blood samples were collected without anticoagulant from 109 venezuelan children, between the ages of 6 months and 6 years. The statistical analysis was carried out using the t Student and ANOVA. The values of CRP were higher (80.80 +/- 38.39 mg/L) in severe malnourished infected than non-infected malnourished children (8.17 +/- 3.06 mg/L, p < 0.001). There were statistical differences between severe malnourished infected and eutrophic infected children (p < 0.001). There was also a difference between the non infected, severely malnourished children and the rest of them, although they kept their values within a normal range. These findings indicate that the malnourished child is able to produce CRP in response to infection but in a different way that the eutrophic child. In children without infection, the CRP levels were kept within the normal range.
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