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Influence of nutritional and haemoglobin status on malaria infection in children
Insights
Anaemia and malnutrition did not protect children against malaria in this study. Researchers found no link between nutritional status or hemoglobin levels and malaria incidence or severity in children near Rourkela.
Area of Science:
- Public Health
- Tropical Medicine
- Pediatrics
Background:
- Anaemia and malnutrition are common in many tropical regions.
- These conditions have been hypothesized to offer protection against malaria.
- Understanding this relationship is crucial for public health interventions.
Purpose of the Study:
- To investigate the influence of nutritional status and hemoglobin levels on malaria incidence and parasitaemia.
- To assess the protective role of anaemia and malnutrition against malaria in children.
Main Methods:
- Anthropometric measurements and hemoglobin levels were used to assess nutritional status and anaemia in 330 children (aged 1-9 years).
- Malaria prevalence and incidence were monitored over one year.
- Statistical analysis was performed to determine the relationship between nutritional/hemoglobin status and malaria outcomes.
Main Results:
- Nearly half the children exhibited moderate to severe malnutrition, and almost 60% had anaemia.
- Malaria prevalence was 27.6% initially, with an incidence of 250/1000 during the study.
- No statistically significant difference was observed in malaria prevalence, incidence, or Plasmodium falciparum parasitaemia severity across varying nutritional or hemoglobin levels.
Conclusions:
- Anaemia and malnutrition did not demonstrate a protective effect against malaria infection or parasitaemia severity in this study population.
- The findings suggest that these conditions do not confer protection against malaria in children around Rourkela.
- Further research may be needed to explore complex interactions in different epidemiological settings.
Abstract:
Anaemia and malnutrition have been suggested to confer some degree of protection against malaria infection. Therefore, the influence of nutritional status as assessed anthropometrically and that of haemoglobin level on the incidence of malaria and the degree of parasitaemia was studied in 330 children in the age range of 1-9 years in Bisra block near Rourkela in Orissa state. Moderate to severe malnutrition as assessed from percentage of ideal weight was found in 48.8% (161/330) of children but only 8.8% (29/330) of children had some degree of malnutrition when assessed as weight for height indicating presence of chronic malnutrition. Similarly, 197 children (59.7%) had various grades of anaemia as estimated by haemoglobin level prevalence of malaria on initial examination was 27.6% (91/330), while incidence of clinical malaria in children during the year of study was 250/1000. There was no statistical difference in the Prevalence/incidence of malaria or severity of P. falciparum parasitaemia at different haemoglobin or nutritional levels (p > 0.05). No child died or developed severe complications requiring hospitalization. Therefore, anaemia or malnutrition do not appear to provide any protection against malaria or degree of parasitaemia in the children around Rourkela.