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The clinical utility of ambulatory EEG in childhood
Rebeka Nagyova1, Gillian Horsburgh2, Angela Robertson2
1School of Medicine, College of Medical & Veterinary Life Sciences, University of Glasgow, United Kingdom.
Insights
The ambulatory electroencephalogram (AEEG) is clinically useful in 64.8% of pediatric cases. While often limited by failure to capture events, AEEG is highly effective for diagnosing suspected encephalopathy with status epilepticus during sleep (ESES).
Area of Science:
- Pediatric Neurology
- Clinical Neurophysiology
Background:
- The ambulatory electroencephalogram (AEEG) is a diagnostic tool used in pediatric neurology.
- Assessing the clinical utility of AEEG is crucial for optimizing its application in children.
Purpose of the Study:
- To evaluate the clinical utility of the ambulatory electroencephalogram (AEEG) in pediatric patients.
- To determine the effectiveness of AEEG in various clinical scenarios.
Main Methods:
- Retrospective review of 199 consecutive pediatric AEEG referrals.
- Analysis of referral data, patient characteristics, and reasons for referral.
- Clinical utility defined as the percentage of investigations providing useful information.
Main Results:
- Overall AEEG utility was 64.8%.
- AEEG was useful in 42.6% of cases referred for event capture, with failure to capture events being the primary limitation (55.6%).
- AEEG demonstrated high utility (97.5%) in cases of suspected encephalopathy with status epilepticus during sleep (ESES).
Conclusions:
- The pediatric AEEG is clinically useful in approximately two-thirds of patients.
- Failure to capture events is the main factor limiting AEEG utility.
- AEEG is a highly valuable tool for investigating suspected ESES in children.
Purpose:
To evaluate the clinical utility of the ambulatory electroencephalogram (AEEG) in children.
Method:
Data from 199 consecutive referrals for a paediatric AEEG were reviewed retrospectively. Information was gathered on various aspects of the referral process, the characteristics of the children referred and the reasons for referral. Clinical utility was calculated as the percentage of cases in which the investigation provided useful information with respect to the question asked of the test.
Results:
The AEEG was useful in 64.8% cases overall. In 51.4% of cases the reason for referral was to capture events, however the test was only useful in 42.6% of these. The most common reason for an unsuccessful investigation was failure to capture events (55.6%). Suspected encephalopathy with status epilepticus during sleep (ESES) was the indication in a substantial number of cases (38.6%), and the investigation was useful in most of these (97.5%). Technical issues were only responsible for 7 (9.7%) of unsuccessful studies.
Conclusion:
The paediatric AEEG was useful in two thirds of patients. Failure to capture events appears to be the most significant limiting factor. The AEEG is very useful in investigating suspected ESES.
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