The Effect of α+-Thalassaemia on the Incidence of Malaria and Other Diseases in Children Living on the Coast of Kenya
2006
Does α+-Thalassaemia Protect against Malaria?
publication
Evidence: moderate
Author Information
Author(s): Geoffrey Pasvol
Primary Institution: Imperial College London
Hypothesis
Does α+-thalassaemia protect against malaria?
Conclusion
The study concludes that α+-thalassaemia does not protect against acquiring malarial infection but reduces the risk of severe malaria, especially malarial anaemia.
Supporting Evidence
- α+-thalassaemia does not protect against asymptomatic malaria.
- Children with α+-thalassaemia had reduced hospital admissions for severe malaria.
- Thalassaemia provided no protection against cerebral malaria unless accompanied by anaemia.
- Lower respiratory tract infections were less common in children with α+-thalassaemia.
Takeaway
Kids with α+-thalassaemia don't get malaria less often, but if they do, they are less likely to get really sick from it.
Methodology
The study involved two cohorts of children monitored for malaria incidence and severity over three years.
Limitations
The study does not address the mechanism of protection against severe anaemia or respiratory infections.
Participant Demographics
Children living on the coast of Kenya, born between 1992 and 1995.
Digital Object Identifier (DOI)
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