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Febrile seizures occur in 2-5% of the population and are typically limited to children between 3 months and 5 years-of-age. The pathophysiological link between increased body temperature and increased seizure susceptibility is unsolved in humans. In a mouse model it has been shown that young animals had a tendency to hyperventilate thereby causing intra-cerebral hypocapnia / alkalosis and a decrease of their seizure threshold. This effect was not observed in older animals. Redressing the pCO2 (carbon dioxide partial pressure) by breathing carbon dioxide enriched air instantly stopped the seizures.
In this study the investigators want to investigate the respiratory physiology in children with febrile seizures and compare it to children who have fever but did not have febrile seizures.
The investigators hypothesize that in children with febrile seizures the rising body temperature triggers a larger increase of respiratory rate (hyperventilation) and subsequent drop in pCO2 levels.
This study could provide the basic physiological data for an interventional trial to test the efficacy of carbon dioxide inhalation to interrupt febrile seizures.
Full description
The aim of the study is the continuous non-invasive monitoring of
Children will be recruited from the emergency units of the Charité University Hospital and a large Community Hospital, matched according to age, gender and the cause of their febrile illness and their data will enter final analysis if their body temperature rose at least once to or above 38.0 degree C and changed more than 1.0 degree C during the observational period.
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100 participants in 2 patient groups
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Markus Schuelke, MD; Marret Heinold
Data sourced from clinicaltrials.gov
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