Study highlights the need to improve clinical management of Malawian children with low blood sugar or blood oxygen levels

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A new study in rural Malawi underscores the need for better clinical management of severely ill children with very low blood sugar or blood oxygen levels. The study, by researchers at Karolinska Institutet in Sweden and the Parent and Child Health Initiative in Malawi, among others, found high mortality rates for children with either of these symptoms even when they were admitted to a hospital. The findings are published in the journal Bulletin of the World Health Organization.

Clearly there are areas where clinical management of children with low blood sugar or low blood oxygen levels could be improved, with potentially life-saving impact."

Carina King, Study Lead Author and Researcher, Department of Global Public Health, Karolinska Institutet

The study followed 784 children (0-12 years of age) with very or moderately low blood sugar or blood oxygen levels who were referred from rural health facilities to hospitals in the Mchinji district of Malawi between 2019 and 2020.

Current local clinical practice calls for children with signs of severe illness to be referred to hospital for supportive care. However, previous studies suggest that referrals may result in delays of treatment, especially in low resource areas where a lack of transportation and financial barriers are common.

The current study examined what happens to children with two measurable symptoms - hypoglycemia (low blood glucose) or hypoxemia (low blood oxygen saturation) - after they are referred, including survival rates.

The study found that the children with severe hypoglycemia had a fatality rate of 27.8 percent compared with 5.6 percent for those with moderate hypoglycemia and 2.9 percent with normal blood sugar levels. Children with severe hypoxemia had a fatality rate of 13.9 percent compared with 3.9 percent for those with moderate hypoxemia and 2.3 percent for those with normal blood oxygen levels.

Frequent clinical diagnoses for these children included acute respiratory infection, malaria, malnutrition and sepsis or meningitis. Infants younger than two months had the highest fatality rate of all age groups. Most severely ill children received glucose or oxygen treatment upon admission to hospital, but none received treatment upon the first point of contact.

"Our findings suggest that earlier identification and prompt care-seeking could help reduce the risk of death for children with severe hypoxemia or hypoglycemia," says Helena Hildenwall, associate professor at the Department of Global Public Health, Karolinska Institutet and last author of the study. "However, more research and well-designed trials are needed to determine the optimal treatment for these groups."

Journal reference:

King, C., et al. (2022) Prospective cohort study of referred Malawian children and their survival by hypoxaemia and hypoglycaemia status. Bulletin of the World Health Organization.


The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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