Power spectral analysis of two-channel EEG in hypoxic–ischaemic encephalopathy
Abstract Aims Power spectral analysis combined with a two-channel EEG system may be useful in management of newborn term infants at risk of hypoxic–ischaemic encephalopathy (HIE). This pilot study aimed to determine differences in the EEG power spectrum between normal term infants, infants who were...
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| Veröffentlicht in: | Early human development 2007-06, Vol.83 (6), p.379-383 |
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| creator | Wong, Flora Y Barfield, Charles P Walker, Adrian M |
| description | Abstract Aims Power spectral analysis combined with a two-channel EEG system may be useful in management of newborn term infants at risk of hypoxic–ischaemic encephalopathy (HIE). This pilot study aimed to determine differences in the EEG power spectrum between normal term infants, infants who were at risk of but had not developed HIE, and infants who had developed HIE. Design Observational. Methods EEG recordings from normal term newborn infants and term infants at risk of HIE were analyzed using fast Fourier transforms. EEG total power (TP), TP variance, TP coefficient of variation (TP CV) and spectral edge frequency (SEF) were compared between three groups: control infants ( n = 15); at-risk infants who had not developed clinically diagnosed HIE ( n = 4); and at-risk infants who had developed HIE ( n = 7). Results Total power was similar in all groups. Variation of TP (variance and CV) was higher ( p < 0.05) in control infants than in infants at risk of HIE, regardless of whether they had developed HIE. SEF values were similar across all three groups. Conclusion Reduced variation of EEG power is a feature of infants at risk of HIE. |
| doi_str_mv | 10.1016/j.earlhumdev.2006.08.002 |
| format | Article |
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This pilot study aimed to determine differences in the EEG power spectrum between normal term infants, infants who were at risk of but had not developed HIE, and infants who had developed HIE. Design Observational. Methods EEG recordings from normal term newborn infants and term infants at risk of HIE were analyzed using fast Fourier transforms. EEG total power (TP), TP variance, TP coefficient of variation (TP CV) and spectral edge frequency (SEF) were compared between three groups: control infants ( n = 15); at-risk infants who had not developed clinically diagnosed HIE ( n = 4); and at-risk infants who had developed HIE ( n = 7). Results Total power was similar in all groups. Variation of TP (variance and CV) was higher ( p < 0.05) in control infants than in infants at risk of HIE, regardless of whether they had developed HIE. SEF values were similar across all three groups. Conclusion Reduced variation of EEG power is a feature of infants at risk of HIE.</description><identifier>ISSN: 0378-3782</identifier><identifier>EISSN: 1872-6232</identifier><identifier>DOI: 10.1016/j.earlhumdev.2006.08.002</identifier><identifier>PMID: 16979853</identifier><identifier>CODEN: EHDEDN</identifier><language>eng</language><publisher>Lausanne: Elsevier Ireland Ltd</publisher><subject>Advanced Basic Science ; Analysis of Variance ; Biological and medical sciences ; Electroencephalography - methods ; Embryology: invertebrates and vertebrates. Teratology ; Fundamental and applied biological sciences. Psychology ; Humans ; Hypoxia-Ischemia, Brain - diagnosis ; Infant, Newborn ; Neonatal and Perinatal Medicine ; Sleep - physiology ; Spectrum Analysis - methods</subject><ispartof>Early human development, 2007-06, Vol.83 (6), p.379-383</ispartof><rights>Elsevier Ireland Ltd</rights><rights>2006 Elsevier Ireland Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-8079024529beff5242fbc66e0ae408001c66721e0f081f6cd88493f5a94177823</citedby><cites>FETCH-LOGICAL-c457t-8079024529beff5242fbc66e0ae408001c66721e0f081f6cd88493f5a94177823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0378378206002052$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18728504$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16979853$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wong, Flora Y</creatorcontrib><creatorcontrib>Barfield, Charles P</creatorcontrib><creatorcontrib>Walker, Adrian M</creatorcontrib><title>Power spectral analysis of two-channel EEG in hypoxic–ischaemic encephalopathy</title><title>Early human development</title><addtitle>Early Hum Dev</addtitle><description>Abstract Aims Power spectral analysis combined with a two-channel EEG system may be useful in management of newborn term infants at risk of hypoxic–ischaemic encephalopathy (HIE). This pilot study aimed to determine differences in the EEG power spectrum between normal term infants, infants who were at risk of but had not developed HIE, and infants who had developed HIE. Design Observational. Methods EEG recordings from normal term newborn infants and term infants at risk of HIE were analyzed using fast Fourier transforms. EEG total power (TP), TP variance, TP coefficient of variation (TP CV) and spectral edge frequency (SEF) were compared between three groups: control infants ( n = 15); at-risk infants who had not developed clinically diagnosed HIE ( n = 4); and at-risk infants who had developed HIE ( n = 7). Results Total power was similar in all groups. Variation of TP (variance and CV) was higher ( p < 0.05) in control infants than in infants at risk of HIE, regardless of whether they had developed HIE. SEF values were similar across all three groups. Conclusion Reduced variation of EEG power is a feature of infants at risk of HIE.</description><subject>Advanced Basic Science</subject><subject>Analysis of Variance</subject><subject>Biological and medical sciences</subject><subject>Electroencephalography - methods</subject><subject>Embryology: invertebrates and vertebrates. Teratology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Hypoxia-Ischemia, Brain - diagnosis</subject><subject>Infant, Newborn</subject><subject>Neonatal and Perinatal Medicine</subject><subject>Sleep - physiology</subject><subject>Spectrum Analysis - methods</subject><issn>0378-3782</issn><issn>1872-6232</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc9u1DAQxi0EosvCK6Bc4JYwdv45FySoloJUiUqUs-V1xooXJw520pJb34E35EnqaFdaqScOlmXNNzOffx8hCYWMAq0-HDKU3nZz3-JdxgCqDHgGwJ6RDeU1SyuWs-dkA3nN03jYBXkVwgEASt7AS3JBq6ZueJlvyM2Nu0efhBHV5KVN5CDtEkxInE6me5eqTg4D2mS3u0rMkHTL6P4Y9e_hrwmxhL1RCQ4Kx05aN8qpW16TF1ragG9O95b8_LK7vfyaXn-_-nb56TpVRVlPKYe6AVaUrNmj1iUrmN6rqkKQWAAHoPFRM4qggVNdqZbzosl1KZuC1vFH-Za8P84dvfs9Y5hEHy2htXJANwdRQ5E3JadRyI9C5V0IHrUYvemlXwQFsdIUB3GmKVaaAriINGPr29OOed9je2484YuCdyeBDEpa7eWgTDjrYha8jEa25PNRh5HInUEvgjIrt9b4CF60zvyPm49PhihrBhP3_sIFw8HNPoYXBBWBCRA_1vTX8KGK3VCy_BHrCK14</recordid><startdate>20070601</startdate><enddate>20070601</enddate><creator>Wong, Flora Y</creator><creator>Barfield, Charles P</creator><creator>Walker, Adrian M</creator><general>Elsevier Ireland Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20070601</creationdate><title>Power spectral analysis of two-channel EEG in hypoxic–ischaemic encephalopathy</title><author>Wong, Flora Y ; Barfield, Charles P ; Walker, Adrian M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c457t-8079024529beff5242fbc66e0ae408001c66721e0f081f6cd88493f5a94177823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Advanced Basic Science</topic><topic>Analysis of Variance</topic><topic>Biological and medical sciences</topic><topic>Electroencephalography - methods</topic><topic>Embryology: invertebrates and vertebrates. Teratology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Hypoxia-Ischemia, Brain - diagnosis</topic><topic>Infant, Newborn</topic><topic>Neonatal and Perinatal Medicine</topic><topic>Sleep - physiology</topic><topic>Spectrum Analysis - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wong, Flora Y</creatorcontrib><creatorcontrib>Barfield, Charles P</creatorcontrib><creatorcontrib>Walker, Adrian M</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Early human development</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wong, Flora Y</au><au>Barfield, Charles P</au><au>Walker, Adrian M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Power spectral analysis of two-channel EEG in hypoxic–ischaemic encephalopathy</atitle><jtitle>Early human development</jtitle><addtitle>Early Hum Dev</addtitle><date>2007-06-01</date><risdate>2007</risdate><volume>83</volume><issue>6</issue><spage>379</spage><epage>383</epage><pages>379-383</pages><issn>0378-3782</issn><eissn>1872-6232</eissn><coden>EHDEDN</coden><abstract>Abstract Aims Power spectral analysis combined with a two-channel EEG system may be useful in management of newborn term infants at risk of hypoxic–ischaemic encephalopathy (HIE). This pilot study aimed to determine differences in the EEG power spectrum between normal term infants, infants who were at risk of but had not developed HIE, and infants who had developed HIE. Design Observational. Methods EEG recordings from normal term newborn infants and term infants at risk of HIE were analyzed using fast Fourier transforms. EEG total power (TP), TP variance, TP coefficient of variation (TP CV) and spectral edge frequency (SEF) were compared between three groups: control infants ( n = 15); at-risk infants who had not developed clinically diagnosed HIE ( n = 4); and at-risk infants who had developed HIE ( n = 7). Results Total power was similar in all groups. Variation of TP (variance and CV) was higher ( p < 0.05) in control infants than in infants at risk of HIE, regardless of whether they had developed HIE. SEF values were similar across all three groups. Conclusion Reduced variation of EEG power is a feature of infants at risk of HIE.</abstract><cop>Lausanne</cop><cop>New York,NY</cop><cop>Amsterdam</cop><pub>Elsevier Ireland Ltd</pub><pmid>16979853</pmid><doi>10.1016/j.earlhumdev.2006.08.002</doi><tpages>5</tpages></addata></record> |
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| ispartof | Early human development, 2007-06, Vol.83 (6), p.379-383 |
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| subjects | Advanced Basic Science Analysis of Variance Biological and medical sciences Electroencephalography - methods Embryology: invertebrates and vertebrates. Teratology Fundamental and applied biological sciences. Psychology Humans Hypoxia-Ischemia, Brain - diagnosis Infant, Newborn Neonatal and Perinatal Medicine Sleep - physiology Spectrum Analysis - methods |
| title | Power spectral analysis of two-channel EEG in hypoxic–ischaemic encephalopathy |
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