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Ambulatory EEG
Udaya Seneviratne1, Wendyl Jude D'Souza2
1Department of Neuroscience, Monash Medical Centre, Melbourne, VIC, Australia; Department of Medicine, St. Vincent's Hospital, University of Melbourne, Melbourne, VIC, Australia.
Handbook of Clinical Neurology
|July 7, 2019
Summary
Ambulatory electroencephalography (aEEG) offers continuous EEG monitoring with patient mobility, improving diagnosis of epilepsy and paroxysmal disorders. Further research is needed to clarify its role in presurgical evaluations and antiepileptic drug management.
Area of Science:
- Neurology
- Medical Technology
Background:
- Ambulatory electroencephalography (aEEG) enables continuous EEG recording with enhanced patient mobility in natural settings.
- Digital advancements have overcome initial technological limitations, with some devices offering synchronous video recording.
Purpose of the Study:
- To highlight the advantages and current applications of aEEG.
- To identify areas where further research is needed to expand aEEG's clinical utility.
Main Methods:
- Review of aEEG technology and its benefits.
- Comparison of aEEG with routine EEG for diagnosing epilepsy and related disorders.
Main Results:
- aEEG offers advantages such as low cost, convenience, higher diagnostic yield, and capturing circadian patterns.
- aEEG is superior to routine EEG in detecting interictal epileptiform abnormalities, especially during natural sleep.
Conclusions:
- aEEG is a valuable tool for diagnosing epilepsy and nonepileptic paroxysmal disorders.
- The role of aEEG in presurgical workups, antiepileptic drug withdrawal decisions, therapy response assessment, and occupational safety requires further investigation.
- aEEG is an underutilized tool with potential for broader clinical applications.
