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Convulsions with malaria: febrile or indicative of cerebral involvement?
G O Akpede1, R M Sykes, P O Abiodun
1Department of Child Health, University of Benin Teaching Hospital, Nigeria.
Insights
Pediatric malaria convulsions are linked to cerebral dysfunction, not just fever. Severe malaria cases show higher risks of coma, severe anemia, and seizures in young children.
Area of Science:
- Pediatric Infectious Diseases
- Neurology
- Clinical Medicine
Background:
- Malaria remains a significant health concern in infants and young children.
- Convulsions are a common neurological complication of malaria in this age group.
- Understanding the underlying mechanisms of malaria-associated seizures is crucial for effective management.
Purpose of the Study:
- To investigate the relationship between malaria parasitaemia and neurological complications in young children.
- To identify clinical and laboratory factors associated with coma and convulsions in pediatric malaria.
- To differentiate between febrile seizures and cerebral dysfunction in malaria.
Main Methods:
- Retrospective evaluation of 446 infants and young children (6 months to 5 years) diagnosed with malaria parasitaemia.
- Analysis of clinical data including age, coma, convulsions, temperature, haematocrit, blood glucose, hepatosplenomegaly, and anaemia severity.
- Statistical analysis to determine significant relationships (P < 0.05- < 0.001).
Main Results:
- Significant relationships observed between coma and age, convulsion patterns, haematocrit, and blood glucose.
- Severity of malaria parasitaemia correlated with increased risk of convulsions, hepatosplenomegaly, and severe anaemia.
- Comatose children were older and exhibited more frequent convulsions, severe anaemia, and hypoglycaemia.
- Convulsions, hepatosplenomegaly, and severe anaemia were more prevalent in moderate-to-severe parasitaemia cases.
- No significant association found between convulsions and temperature or haematocrit.
Conclusions:
- Malaria-associated convulsions in children are primarily manifestations of cerebral dysfunction, not solely fever-related.
- Clinical management of all cerebral dysfunctions, including repeated convulsions, should consider them as indicators of cerebral malaria.
- Early recognition and management of cerebral malaria are vital for improving outcomes in pediatric patients.
Abstract:
Evaluation of 446 infants and young children (6 months to 5 years olds) with malaria parasitaemia showed a significant relationship (P < 0.05- < 0.001) (a) between coma and age, pattern of convulsions, haematocrit, and blood glucose, and (b) between the severity of parasitaemia and risk of convulsions, prevalence of hepatosplenomegaly, and severe anaemia. No significant relationship was observed between convulsions and temperature or haematocrit. Comatose children were older and had a higher prevalence of repeated convulsions, severe anaemia, and hypoglycaemia than non-comatose children. Convulsions, hepatosplenomegaly, and severe anaemia were more prevalent in children with moderate-severe parasitaemia. It is concluded that convulsions with malaria are more often a manifestation of cerebral dysfunction rather than being simply febrile in nature. All forms of cerebral dysfunction in malaria, including repeated convulsions, should be managed as being clinical manifestations of cerebral malaria.