| Relationship between changes in power spectra of electroencephalograms and arterial halothane concentration in infants. | |
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MedLine Citation:
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PMID: 2511729 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A power spectral analysis of electroencephalograms (EEGs) was performed in 30 infants who underwent plastic surgery for cleft lip or cleft palate. The study was conducted to investigate whether there was a significant correlation between EEG changes and arterial halothane concentration in infants. The power spectral analysis of EEGs was performed by the fast Fourier transform (FFT). Arterial halothane concentration was measured with gas chromatography. The relationship between the changes in the power spectra of EEGs and the arterial halothane concentration was examined by means of a multivariate analysis. Prior to administration of halothane, two kinds of EEG patterns were discernible. In one pattern the peak of the EEG power spectra was seen in the slow wave band (slow wave group); in the other the peak of the power spectra was present in the fast wave band (fast wave group). In the occipital lead the multiple correlation coefficient and the index of determination of the slow wave group were 0.71 and 0.50, respectively, and those of the fast wave group were 0.78 and 0.61, respectively. A significant correlation was proved to be present between the normalized values of the EEG power spectra and arterial halothane concentration in the occipital lead. Therefore, the results of the present study suggest that the relationship between changes in the power spectra of EEGs in the occipital lead and arterial halothane concentration in infants can be expressed by means of multiple regression formulas. |
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Authors:
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K Sugiyama; S Joh; Y Hirota; Y Kiyomitsu; T Shibutani; H Niwa; H Matsuura |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Acta anaesthesiologica Scandinavica Volume: 33 ISSN: 0001-5172 ISO Abbreviation: Acta Anaesthesiol Scand Publication Date: 1989 Nov |
Date Detail:
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Created Date: 1990-01-05 Completed Date: 1990-01-05 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0370270 Medline TA: Acta Anaesthesiol Scand Country: DENMARK |
Other Details:
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Languages: eng Pagination: 670-5 Citation Subset: IM |
Affiliation:
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Department of Dental Anesthesiology, Osaka University Faculty of Dentistry, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Anesthesia, Inhalation* Carbon Dioxide / analysis Child, Preschool Chromatography, Gas Cleft Lip / surgery Cleft Palate / surgery Electroencephalography* / drug effects, methods, statistics & numerical data Halothane / blood* Humans Infant Multivariate Analysis Respiratory Transport Time Factors |
| Chemical | |
Reg. No./Substance:
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124-38-9/Carbon Dioxide; 151-67-7/Halothane |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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