Normal EEG in very premature infants: reference criteria
Objectives: Objectives were to precise EEG criteria of normality in very premature infants. Methods: The neonatal electroencephalograms (EEGs) of 17 neurologically normal very premature infants recorded at a conceptional age (CA) of 26–28 weeks have been analyzed. The normality of the infants was de...
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| Veröffentlicht in: | Clinical neurophysiology 2000-12, Vol.111 (12), p.2116-2124 |
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| container_title | Clinical neurophysiology |
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| creator | Selton, D Andre, M Hascoët, J.M |
| description | Objectives: Objectives were to precise EEG criteria of normality in very premature infants.
Methods: The neonatal electroencephalograms (EEGs) of 17 neurologically normal very premature infants recorded at a conceptional age (CA) of 26–28 weeks have been analyzed. The normality of the infants was defined as normal neonatal cranial ultrasound scans and normal neurological outcome at a minimum postnatal age of 2 years.
Results: All tracings were discontinuous. The bursts (amplitude ≥30 μV) were interhemispherically synchronous and lasted up to 3 min. The interburst intervals lasted up to 46 s. EEG patterns consisted mainly of slow waves (≤3 Hz), with high amplitude (up to 300 μV), occipital predominance and superimposed alpha, beta and theta rhythms. High amplitude theta rhythms predominated on temporal areas, beta rhythms were mainly central, whereas alpha rhythms were central and occipital. Sleep state differentiation began as early as 26 weeks CA. On a given trace, the existence of more mature graphoelements than expected for the CA reflected a normal increasing maturation.
Conclusions: EEG has constant and reproductible patterns in normal very premature infants. This can constitute a basis for the determination of EEG criteria for neurological prognosis in infants of 26–28 weeks CA. |
| doi_str_mv | 10.1016/S1388-2457(00)00440-5 |
| format | Article |
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Methods: The neonatal electroencephalograms (EEGs) of 17 neurologically normal very premature infants recorded at a conceptional age (CA) of 26–28 weeks have been analyzed. The normality of the infants was defined as normal neonatal cranial ultrasound scans and normal neurological outcome at a minimum postnatal age of 2 years.
Results: All tracings were discontinuous. The bursts (amplitude ≥30 μV) were interhemispherically synchronous and lasted up to 3 min. The interburst intervals lasted up to 46 s. EEG patterns consisted mainly of slow waves (≤3 Hz), with high amplitude (up to 300 μV), occipital predominance and superimposed alpha, beta and theta rhythms. High amplitude theta rhythms predominated on temporal areas, beta rhythms were mainly central, whereas alpha rhythms were central and occipital. Sleep state differentiation began as early as 26 weeks CA. On a given trace, the existence of more mature graphoelements than expected for the CA reflected a normal increasing maturation.
Conclusions: EEG has constant and reproductible patterns in normal very premature infants. This can constitute a basis for the determination of EEG criteria for neurological prognosis in infants of 26–28 weeks CA.</description><identifier>ISSN: 1388-2457</identifier><identifier>EISSN: 1872-8952</identifier><identifier>DOI: 10.1016/S1388-2457(00)00440-5</identifier><identifier>PMID: 11090760</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Biological and medical sciences ; Brain - physiology ; Electrodiagnosis. Electric activity recording ; Electroencephalography ; Female ; Gestational age ; Human ; Humans ; Infant, Newborn ; Infant, Premature - physiology ; Investigative techniques, diagnostic techniques (general aspects) ; Male ; Medical sciences ; Nervous system ; Reference Standards ; Reference Values</subject><ispartof>Clinical neurophysiology, 2000-12, Vol.111 (12), p.2116-2124</ispartof><rights>2000 Elsevier Science Ireland Ltd</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c507t-93afe4f8e5346ab2636d0f3c27a749591e91d73712e39df1e588b7d91fef31433</citedby><cites>FETCH-LOGICAL-c507t-93afe4f8e5346ab2636d0f3c27a749591e91d73712e39df1e588b7d91fef31433</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S1388-2457(00)00440-5$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=895455$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11090760$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Selton, D</creatorcontrib><creatorcontrib>Andre, M</creatorcontrib><creatorcontrib>Hascoët, J.M</creatorcontrib><title>Normal EEG in very premature infants: reference criteria</title><title>Clinical neurophysiology</title><addtitle>Clin Neurophysiol</addtitle><description>Objectives: Objectives were to precise EEG criteria of normality in very premature infants.
Methods: The neonatal electroencephalograms (EEGs) of 17 neurologically normal very premature infants recorded at a conceptional age (CA) of 26–28 weeks have been analyzed. The normality of the infants was defined as normal neonatal cranial ultrasound scans and normal neurological outcome at a minimum postnatal age of 2 years.
Results: All tracings were discontinuous. The bursts (amplitude ≥30 μV) were interhemispherically synchronous and lasted up to 3 min. The interburst intervals lasted up to 46 s. EEG patterns consisted mainly of slow waves (≤3 Hz), with high amplitude (up to 300 μV), occipital predominance and superimposed alpha, beta and theta rhythms. High amplitude theta rhythms predominated on temporal areas, beta rhythms were mainly central, whereas alpha rhythms were central and occipital. Sleep state differentiation began as early as 26 weeks CA. On a given trace, the existence of more mature graphoelements than expected for the CA reflected a normal increasing maturation.
Conclusions: EEG has constant and reproductible patterns in normal very premature infants. This can constitute a basis for the determination of EEG criteria for neurological prognosis in infants of 26–28 weeks CA.</description><subject>Biological and medical sciences</subject><subject>Brain - physiology</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>Electroencephalography</subject><subject>Female</subject><subject>Gestational age</subject><subject>Human</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Infant, Premature - physiology</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Nervous system</subject><subject>Reference Standards</subject><subject>Reference Values</subject><issn>1388-2457</issn><issn>1872-8952</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEQx4Motj4-grIgiB5WJ6_NrheRUh8gelDPIc1OILKPmmwLfntTW_XoaYbhNzN_foQcUbigQIvLF8rLMmdCqjOAcwAhIJdbZExLxfKykmw79T_IiOzF-A4ACgTbJSNKoQJVwJiUT31oTZNNp3eZ77Ilhs9sHrA1wyJgmjjTDfEqC-gwYGcxs8EPGLw5IDvONBEPN3WfvN1OXyf3-ePz3cPk5jG3EtSQV9w4FK5EyUVhZqzgRQ2OW6aMEpWsKFa0VlxRhryqHUVZljNVV9Sh41Rwvk9O13fnof9YYBx066PFpjEd9ouoFUsQA0igXIM29DGmwHoefGvCp6agV8r0tzK98qEB9LcyLdPe8ebBYtZi_be1cZSAkw1gojWNC6azPv5yybWQqzPXawqTjKXHoKP1K2O1D2gHXff-nyBfocCF8w</recordid><startdate>20001201</startdate><enddate>20001201</enddate><creator>Selton, D</creator><creator>Andre, M</creator><creator>Hascoët, J.M</creator><general>Elsevier Ireland Ltd</general><general>Elsevier Science</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>20001201</creationdate><title>Normal EEG in very premature infants: reference criteria</title><author>Selton, D ; Andre, M ; Hascoët, J.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c507t-93afe4f8e5346ab2636d0f3c27a749591e91d73712e39df1e588b7d91fef31433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Biological and medical sciences</topic><topic>Brain - physiology</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>Electroencephalography</topic><topic>Female</topic><topic>Gestational age</topic><topic>Human</topic><topic>Humans</topic><topic>Infant, Newborn</topic><topic>Infant, Premature - physiology</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Nervous system</topic><topic>Reference Standards</topic><topic>Reference Values</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Selton, D</creatorcontrib><creatorcontrib>Andre, M</creatorcontrib><creatorcontrib>Hascoët, J.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>Clinical neurophysiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Selton, D</au><au>Andre, M</au><au>Hascoët, J.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Normal EEG in very premature infants: reference criteria</atitle><jtitle>Clinical neurophysiology</jtitle><addtitle>Clin Neurophysiol</addtitle><date>2000-12-01</date><risdate>2000</risdate><volume>111</volume><issue>12</issue><spage>2116</spage><epage>2124</epage><pages>2116-2124</pages><issn>1388-2457</issn><eissn>1872-8952</eissn><abstract>Objectives: Objectives were to precise EEG criteria of normality in very premature infants.
Methods: The neonatal electroencephalograms (EEGs) of 17 neurologically normal very premature infants recorded at a conceptional age (CA) of 26–28 weeks have been analyzed. The normality of the infants was defined as normal neonatal cranial ultrasound scans and normal neurological outcome at a minimum postnatal age of 2 years.
Results: All tracings were discontinuous. The bursts (amplitude ≥30 μV) were interhemispherically synchronous and lasted up to 3 min. The interburst intervals lasted up to 46 s. EEG patterns consisted mainly of slow waves (≤3 Hz), with high amplitude (up to 300 μV), occipital predominance and superimposed alpha, beta and theta rhythms. High amplitude theta rhythms predominated on temporal areas, beta rhythms were mainly central, whereas alpha rhythms were central and occipital. Sleep state differentiation began as early as 26 weeks CA. On a given trace, the existence of more mature graphoelements than expected for the CA reflected a normal increasing maturation.
Conclusions: EEG has constant and reproductible patterns in normal very premature infants. This can constitute a basis for the determination of EEG criteria for neurological prognosis in infants of 26–28 weeks CA.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>11090760</pmid><doi>10.1016/S1388-2457(00)00440-5</doi><tpages>9</tpages></addata></record> |
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| subjects | Biological and medical sciences Brain - physiology Electrodiagnosis. Electric activity recording Electroencephalography Female Gestational age Human Humans Infant, Newborn Infant, Premature - physiology Investigative techniques, diagnostic techniques (general aspects) Male Medical sciences Nervous system Reference Standards Reference Values |
| title | Normal EEG in very premature infants: reference criteria |
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