Abstract

The use of electroencephalography over a three year period in a large mental handicap hospital was studied. There were no significant differences in its use according to sex or intelligence. The majority of requests were made following seizures and in the investigation of behavioural abnormality. In over a quarter of cases the EEG requests appeared to be inappropriate. It is suggested that a more cost-effective use would result if EEGs were requested only in those cases in which the result will lead to a change in the management of the patient.

Highlights

  • The use of electroencephalography over a three year period in a large mental handicap hospital was studied

  • The EEG can be useful in the investigation of epilepsy, including prior to the withdrawal of antiepileptic drugs in patients with epilepsy currently in remission (Medical Research Council Antiepileptic Drug Withdrawal Study Group, 1993), and the localisation of focal lesions

  • Eighty EEGs were performed on 44 male and 36 female patients, a male to female ratio of 11:9

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Summary

Introduction

The use of electroencephalography over a three year period in a large mental handicap hospital was studied. EEGs were requested only in those cases in which the result will lead to a change in the management of the patient. In a randomly selected subgroup, the time between the EEG request being made and this investigation being carried out was calculated.

Results
Conclusion
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