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| Year : 1993 | Volume
: 35
| Issue : 3 | Page : 175-176 |
ECT Induced EEG Seizure : Validity of Duration Estimation by Last Spike
BN Gangadhar1, Jyoti K.M. Rao2, BL Sujatha3, N Janakiramaiah4, DK Subbakrishna5
1 Associate Professor, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029, India
2 Senior Resident, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029, India
3 Junior Resident, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029, India
4 Additional Professor, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029, India
5 Associate Professor, Department of Biostatistics, National Institute of Mental Health and Neurosciences, Bangalore - 560 029, India
Correspondence Address:
B N Gangadhar
Associate Professor, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029
India
 Source of Support: None, Conflict of Interest: None  | Check |
PMID: 21743633 
The seizure EEG records of 25 depressives receiving ECT were 'blindly' rated by two trained raters using a uniform definition of seizure endpoint. The EEG seizure duration estimates were validated against five expected relationships. EEG seizure duration correlated with and was more than motor seizure duration, reduced over the course of ECTs, was consistent within subjects, and negatively varied with age. Within clinical constraints, the method of seizure duration estimation by the last spike is valid.
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