| The reliability of quantitative electroencephalography as an indicator of cerebral ischemia. | |
| | |
MedLine Citation:
|
PMID: 7598287 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
The electroencephalogram (EEG) has been used to detect episodes of cerebral ischemia during various surgical procedures. Recently, computerized systems for recording and interpreting the quantitative EEG (QEEG) have been used by anesthesiologists because of their ease of application, clarity of display, and reported ability to identify ischemic EEG changes. However, the extent to which automated techniques of QEEG interpretation reliably differentiate cerebral ischemia from the confounding effects of anesthetics and other sources of "artifact" is not completely established. In this study, EEGs were recorded before and after defibrillator testing in patients undergoing implantable cardioverter defibrillator (ICD) placement and during analogous time periods in control patients undergoing abdominal surgery. EEGs were subjected to standard visual inspection by an experienced electroencephalographer and QEEG analysis with a commercially available system was used for automated EEG interpretation in order to evaluate the reliability of this quantitative technique. The CIMON technique identified episodes which met previously defined criteria for QEEG cerebral dysfunction and ischemic pattern in both groups, despite the presumed absence of cerebral ischemia in the control patients. Since there was no evidence of cerebral ischemia in the raw EEGs of either the ICD patients or the controls, these QEEG changes were not confirmed by conventional techniques of EEG interpretation. Our results suggest that caution is warranted when using automated systems for intraoperative interpretation of EEG. |
| | |
Authors:
|
D C Adams; E J Heyer; R G Emerson; J R Moeller; H M Spotnitz; D H Smith; E Delphin; C Turner |
Related Documents
:
|
976997 - Finger patterns and ridge counts of patients with klinefelter's syndrome (47, xxy) amon... 2778557 - Encephalopathy and polyneuropathy induced by organic solvents. 14550907 - 'thought'--control of functional electrical stimulation to restore hand grasp in a pati... 10513317 - Eeg and epilepsy in the elderly compared to a younger group. 2233157 - Improvement of decisions regarding hemodialysis patients by urea kinetic modeling. 21403867 - Both il-1β and tnf-α regulate ngal expression in polymorphonuclear granulocytes of ch... |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Anesthesia and analgesia Volume: 81 ISSN: 0003-2999 ISO Abbreviation: Anesth. Analg. Publication Date: 1995 Jul |
Date Detail:
|
Created Date: 1995-08-01 Completed Date: 1995-08-01 Revised Date: 2004-11-17 |
Medline Journal Info:
|
Nlm Unique ID: 1310650 Medline TA: Anesth Analg Country: UNITED STATES |
Other Details:
|
Languages: eng Pagination: 80-3 Citation Subset: AIM; IM |
Affiliation:
|
Department of Anesthesiology, Columbia-Presbyterian Medical Center, New York, NY 10032, USA. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adult Aged Anesthetics / pharmacology Artifacts Automation Brain / physiopathology Brain Ischemia / diagnosis* Case-Control Studies Computer Systems Defibrillators, Implantable Electroencephalography / drug effects, methods* Female Humans Hysterectomy Middle Aged Monitoring, Intraoperative* Reproducibility of Results Signal Processing, Computer-Assisted Software |
| Chemical | |
Reg. No./Substance:
|
0/Anesthetics |
| Comments/Corrections | |
Comment In:
|
Anesth Analg. 1996 Apr;82(4):890-1
[PMID:
8615529
]
Anesth Analg. 1996 Jun;82(6):1300-1 [PMID: 8638811 ] |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Spinal anesthesia in outpatient knee surgery: 22-gauge versus 25-gauge Sprotte needle.
Next Document: Ketamine does not increase cerebral blood flow velocity or intracranial pressure during isoflurane/n...