Effects of chronic hyperglycemia on electrocortical activity states in unanesthetized fetal lambs
Electrocortical activity (ECoG), tracheal pressure and nuchal muscle activity were recorded in utero in 8 chronically hyperglycemic and 10 control unanesthetized fetal lambs to investigate the effects of chronic hyperglycemia on fetal electrocortical activity states. The chronically hyperglycemic st...
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| Veröffentlicht in: | European journal of obstetrics & gynecology and reproductive biology 1989-06, Vol.31 (3), p.255-264 |
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| container_title | European journal of obstetrics & gynecology and reproductive biology |
| container_volume | 31 |
| creator | Lips, J.P. Jongsma, H.W. Menssen, J.J.M. Crevels, A.J. Eskes, T.K.A.B. |
| description | Electrocortical activity (ECoG), tracheal pressure and nuchal muscle activity were recorded in utero in 8 chronically hyperglycemic and 10 control unanesthetized fetal lambs to investigate the effects of chronic hyperglycemia on fetal electrocortical activity states. The chronically hyperglycemic state, induced by alloxan administered to the ewes, existed for at least 40 days prior to the experiments. The mean duration of episodes of high voltage (HV) ECoG was significantly increased in the hyperglycemic group (mean ± SD: 21.8 ± 9.2 min) compared with the control group (14.8 ± 3.3 min), but the incidence of low voltage (LV) ECoG was not different between the groups. ECoG power spectra were not different between the groups. During LV ECoG, the proportions of time with neck movements were significantly less in the hyperglycemic than in the control group. No difference in percentages of time with long neck muscle activity was seen during the HV state in both groups. The incidence of breathing movements was equal in both groups, during HV as well as LV ECoG. No differences in breathing interval were observed. |
| doi_str_mv | 10.1016/0028-2243(89)90161-5 |
| format | Article |
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The chronically hyperglycemic state, induced by alloxan administered to the ewes, existed for at least 40 days prior to the experiments. The mean duration of episodes of high voltage (HV) ECoG was significantly increased in the hyperglycemic group (mean ± SD: 21.8 ± 9.2 min) compared with the control group (14.8 ± 3.3 min), but the incidence of low voltage (LV) ECoG was not different between the groups. ECoG power spectra were not different between the groups. During LV ECoG, the proportions of time with neck movements were significantly less in the hyperglycemic than in the control group. No difference in percentages of time with long neck muscle activity was seen during the HV state in both groups. The incidence of breathing movements was equal in both groups, during HV as well as LV ECoG. No differences in breathing interval were observed.</description><identifier>ISSN: 0301-2115</identifier><identifier>EISSN: 1872-7654</identifier><identifier>DOI: 10.1016/0028-2243(89)90161-5</identifier><identifier>PMID: 2753195</identifier><identifier>CODEN: EOGRAL</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Animals ; Arousal - physiology ; Biological and medical sciences ; Blood Glucose - metabolism ; Cerebral Cortex - physiopathology ; Diseases of mother, fetus and pregnancy ; Electrocortical activity ; Electroencephalography ; Electromyography ; Evoked Potentials ; Female ; Fetal Movement ; Fetus ; Gynecology. Andrology. Obstetrics ; Hyperglycemia ; Hyperglycemia - physiopathology ; Medical sciences ; Pregnancy ; Pregnancy in Diabetics - physiopathology ; Pregnancy. Fetus. Placenta ; Sheep</subject><ispartof>European journal of obstetrics & gynecology and reproductive biology, 1989-06, Vol.31 (3), p.255-264</ispartof><rights>1989</rights><rights>1989 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c335t-e725f2d1e0b04b9a656b46de2ba4876c733483a10cb55b6adccdf918ca27ffed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0028-2243(89)90161-5$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7320900$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/2753195$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lips, J.P.</creatorcontrib><creatorcontrib>Jongsma, H.W.</creatorcontrib><creatorcontrib>Menssen, J.J.M.</creatorcontrib><creatorcontrib>Crevels, A.J.</creatorcontrib><creatorcontrib>Eskes, T.K.A.B.</creatorcontrib><title>Effects of chronic hyperglycemia on electrocortical activity states in unanesthetized fetal lambs</title><title>European journal of obstetrics & gynecology and reproductive biology</title><addtitle>Eur J Obstet Gynecol Reprod Biol</addtitle><description>Electrocortical activity (ECoG), tracheal pressure and nuchal muscle activity were recorded in utero in 8 chronically hyperglycemic and 10 control unanesthetized fetal lambs to investigate the effects of chronic hyperglycemia on fetal electrocortical activity states. The chronically hyperglycemic state, induced by alloxan administered to the ewes, existed for at least 40 days prior to the experiments. The mean duration of episodes of high voltage (HV) ECoG was significantly increased in the hyperglycemic group (mean ± SD: 21.8 ± 9.2 min) compared with the control group (14.8 ± 3.3 min), but the incidence of low voltage (LV) ECoG was not different between the groups. ECoG power spectra were not different between the groups. During LV ECoG, the proportions of time with neck movements were significantly less in the hyperglycemic than in the control group. No difference in percentages of time with long neck muscle activity was seen during the HV state in both groups. The incidence of breathing movements was equal in both groups, during HV as well as LV ECoG. No differences in breathing interval were observed.</description><subject>Animals</subject><subject>Arousal - physiology</subject><subject>Biological and medical sciences</subject><subject>Blood Glucose - metabolism</subject><subject>Cerebral Cortex - physiopathology</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Electrocortical activity</subject><subject>Electroencephalography</subject><subject>Electromyography</subject><subject>Evoked Potentials</subject><subject>Female</subject><subject>Fetal Movement</subject><subject>Fetus</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Hyperglycemia</subject><subject>Hyperglycemia - physiopathology</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Pregnancy in Diabetics - physiopathology</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Sheep</subject><issn>0301-2115</issn><issn>1872-7654</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE2LFDEQhoMo6zj6DxRyENFDaz46nc5lQZb1Axa86DmkKxUn0t0Zk8zC-OvNOMMerUug6qnizUPIS87ec8aHD4yJsROil29H8860Du_UI7LhoxadHlT_mGyYZLwTnKun5Fkpv1grKc0VuRJaSW7UhrjbEBBqoSlQ2OW0RqC74x7zz_kIuERH00pxbkhOkHKN4GbqoMb7WI-0VFex0LjSw-pWLHWHNf5BTwPWxs1umcpz8iS4ueCLy7slPz7dfr_50t19-_z15uNdB1Kq2qEWKgjPkU2sn4wb1DD1g0cxuX7UA2gp-1E6zmBSahqcB_DB8BGc0O0LXm7Jm_PdfU6_Dy2LXWIBnOcWLB2K1YZzzQ1vYH8GIadSMga7z3Fx-Wg5syez9mTWnsza0dh_Zq1qa68u9w_Tgv5h6aKyzV9f5q40SSG7FWJ5wLQUzDT9W3J9xrC5uI-YbYGIK6CPuVm2PsX_5_gLyF-Wtw</recordid><startdate>19890601</startdate><enddate>19890601</enddate><creator>Lips, J.P.</creator><creator>Jongsma, H.W.</creator><creator>Menssen, J.J.M.</creator><creator>Crevels, A.J.</creator><creator>Eskes, T.K.A.B.</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>19890601</creationdate><title>Effects of chronic hyperglycemia on electrocortical activity states in unanesthetized fetal lambs</title><author>Lips, J.P. ; Jongsma, H.W. ; Menssen, J.J.M. ; Crevels, A.J. ; Eskes, T.K.A.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-e725f2d1e0b04b9a656b46de2ba4876c733483a10cb55b6adccdf918ca27ffed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Animals</topic><topic>Arousal - physiology</topic><topic>Biological and medical sciences</topic><topic>Blood Glucose - metabolism</topic><topic>Cerebral Cortex - physiopathology</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Electrocortical activity</topic><topic>Electroencephalography</topic><topic>Electromyography</topic><topic>Evoked Potentials</topic><topic>Female</topic><topic>Fetal Movement</topic><topic>Fetus</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Hyperglycemia</topic><topic>Hyperglycemia - physiopathology</topic><topic>Medical sciences</topic><topic>Pregnancy</topic><topic>Pregnancy in Diabetics - physiopathology</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Sheep</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lips, J.P.</creatorcontrib><creatorcontrib>Jongsma, H.W.</creatorcontrib><creatorcontrib>Menssen, J.J.M.</creatorcontrib><creatorcontrib>Crevels, A.J.</creatorcontrib><creatorcontrib>Eskes, T.K.A.B.</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>European journal of obstetrics & gynecology and reproductive biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lips, J.P.</au><au>Jongsma, H.W.</au><au>Menssen, J.J.M.</au><au>Crevels, A.J.</au><au>Eskes, T.K.A.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of chronic hyperglycemia on electrocortical activity states in unanesthetized fetal lambs</atitle><jtitle>European journal of obstetrics & gynecology and reproductive biology</jtitle><addtitle>Eur J Obstet Gynecol Reprod Biol</addtitle><date>1989-06-01</date><risdate>1989</risdate><volume>31</volume><issue>3</issue><spage>255</spage><epage>264</epage><pages>255-264</pages><issn>0301-2115</issn><eissn>1872-7654</eissn><coden>EOGRAL</coden><abstract>Electrocortical activity (ECoG), tracheal pressure and nuchal muscle activity were recorded in utero in 8 chronically hyperglycemic and 10 control unanesthetized fetal lambs to investigate the effects of chronic hyperglycemia on fetal electrocortical activity states. The chronically hyperglycemic state, induced by alloxan administered to the ewes, existed for at least 40 days prior to the experiments. The mean duration of episodes of high voltage (HV) ECoG was significantly increased in the hyperglycemic group (mean ± SD: 21.8 ± 9.2 min) compared with the control group (14.8 ± 3.3 min), but the incidence of low voltage (LV) ECoG was not different between the groups. ECoG power spectra were not different between the groups. During LV ECoG, the proportions of time with neck movements were significantly less in the hyperglycemic than in the control group. No difference in percentages of time with long neck muscle activity was seen during the HV state in both groups. The incidence of breathing movements was equal in both groups, during HV as well as LV ECoG. No differences in breathing interval were observed.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>2753195</pmid><doi>10.1016/0028-2243(89)90161-5</doi><tpages>10</tpages></addata></record> |
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| ispartof | European journal of obstetrics & gynecology and reproductive biology, 1989-06, Vol.31 (3), p.255-264 |
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| source | MEDLINE; ScienceDirect Freedom Collection (Elsevier) |
| subjects | Animals Arousal - physiology Biological and medical sciences Blood Glucose - metabolism Cerebral Cortex - physiopathology Diseases of mother, fetus and pregnancy Electrocortical activity Electroencephalography Electromyography Evoked Potentials Female Fetal Movement Fetus Gynecology. Andrology. Obstetrics Hyperglycemia Hyperglycemia - physiopathology Medical sciences Pregnancy Pregnancy in Diabetics - physiopathology Pregnancy. Fetus. Placenta Sheep |
| title | Effects of chronic hyperglycemia on electrocortical activity states in unanesthetized fetal lambs |
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