Alpha-Pattern Coma in Primary Brainstem Hemorrhage; Clinical, Electrophysiologic, and Cerebral Blood Flow Studies
A patient with a brainstem hemorrhage and alpha-pattern coma is reported. Brainstem auditory and somatosensory evoked responses were severely abnormal, suggesting bilateral lesions of the pons, which was confirmed by magnetic resonance imaging. Regional cerebral blood flow, studied using IMP-SPECT,...
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| Veröffentlicht in: | Internal Medicine 1996, Vol.35(11), pp.905-908 |
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| container_issue | 11 |
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| container_title | Internal Medicine |
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| creator | HAYASHI, Ryoichi HANYU, Norinao YANAGISAWA, Nobuo |
| description | A patient with a brainstem hemorrhage and alpha-pattern coma is reported. Brainstem auditory and somatosensory evoked responses were severely abnormal, suggesting bilateral lesions of the pons, which was confirmed by magnetic resonance imaging. Regional cerebral blood flow, studied using IMP-SPECT, showed no remarkable regional radioactive accumulation or deficit in either the cerebral cortex or the subcortical regions. Based on these findings, we speculate that the alpha-pattern coma may be observed when the functions of brain structures rostral to the pontomesencephalic junction are preserved. (Internal Medicine 35: 905-908, 1996) |
| doi_str_mv | 10.2169/internalmedicine.35.905 |
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Brainstem auditory and somatosensory evoked responses were severely abnormal, suggesting bilateral lesions of the pons, which was confirmed by magnetic resonance imaging. Regional cerebral blood flow, studied using IMP-SPECT, showed no remarkable regional radioactive accumulation or deficit in either the cerebral cortex or the subcortical regions. Based on these findings, we speculate that the alpha-pattern coma may be observed when the functions of brain structures rostral to the pontomesencephalic junction are preserved. (Internal Medicine 35: 905-908, 1996)</description><identifier>ISSN: 0918-2918</identifier><identifier>EISSN: 1349-7235</identifier><identifier>DOI: 10.2169/internalmedicine.35.905</identifier><identifier>PMID: 8968808</identifier><language>eng</language><publisher>Tokyo: The Japanese Society of Internal Medicine</publisher><subject>Alpha Rhythm ; Amphetamines ; auditory evoked potential ; Biological and medical sciences ; Brain - diagnostic imaging ; Brain Stem - physiopathology ; Cerebral Hemorrhage - diagnostic imaging ; Cerebral Hemorrhage - physiopathology ; Cerebrovascular Circulation ; coma ; Coma - physiopathology ; Electrodiagnosis. Electric activity recording ; electroencephalogram ; Electrophysiology ; Evoked Potentials, Auditory, Brain Stem ; Evoked Potentials, Somatosensory ; Female ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Iodine Radioisotopes ; Iofetamine ; Medical sciences ; Middle Aged ; Nervous system ; single photon emission tomography (SPECT) ; somatosensory evoked potential ; Tomography, Emission-Computed, Single-Photon</subject><ispartof>Internal Medicine, 1996, Vol.35(11), pp.905-908</ispartof><rights>The Japanese Society of Internal Medicine</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c584t-b3a7272f5d8887635bf62a482f70609c9d96a2ac16de466683f8279fbc909b93</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1881,4022,27922,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2556343$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8968808$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HAYASHI, Ryoichi</creatorcontrib><creatorcontrib>HANYU, Norinao</creatorcontrib><creatorcontrib>YANAGISAWA, Nobuo</creatorcontrib><title>Alpha-Pattern Coma in Primary Brainstem Hemorrhage; Clinical, Electrophysiologic, and Cerebral Blood Flow Studies</title><title>Internal Medicine</title><addtitle>Intern. Med.</addtitle><description>A patient with a brainstem hemorrhage and alpha-pattern coma is reported. Brainstem auditory and somatosensory evoked responses were severely abnormal, suggesting bilateral lesions of the pons, which was confirmed by magnetic resonance imaging. Regional cerebral blood flow, studied using IMP-SPECT, showed no remarkable regional radioactive accumulation or deficit in either the cerebral cortex or the subcortical regions. Based on these findings, we speculate that the alpha-pattern coma may be observed when the functions of brain structures rostral to the pontomesencephalic junction are preserved. (Internal Medicine 35: 905-908, 1996)</description><subject>Alpha Rhythm</subject><subject>Amphetamines</subject><subject>auditory evoked potential</subject><subject>Biological and medical sciences</subject><subject>Brain - diagnostic imaging</subject><subject>Brain Stem - physiopathology</subject><subject>Cerebral Hemorrhage - diagnostic imaging</subject><subject>Cerebral Hemorrhage - physiopathology</subject><subject>Cerebrovascular Circulation</subject><subject>coma</subject><subject>Coma - physiopathology</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>electroencephalogram</subject><subject>Electrophysiology</subject><subject>Evoked Potentials, Auditory, Brain Stem</subject><subject>Evoked Potentials, Somatosensory</subject><subject>Female</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Iodine Radioisotopes</subject><subject>Iofetamine</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Nervous system</subject><subject>single photon emission tomography (SPECT)</subject><subject>somatosensory evoked potential</subject><subject>Tomography, Emission-Computed, Single-Photon</subject><issn>0918-2918</issn><issn>1349-7235</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNplkEtP3DAURi3Uik4pP6GqF1VXZPAjdmx1BRGUSkhFlH104ziMkWMPdkYV_74eTTSLdnO9-M59-CD0hZI1o1JfujDbFMBPdnDGBbvmYq2JOEErymtdNYyLd2hFNFUVK-UD-pjzCyFcNZqdolOlpVJErdDrld9uoHqAeT8Pt3EC7AJ-SG6C9IavE7iQZzvhOzvFlDbwbL_j1rvgDPgLfOOtmVPcbt6yiz4-O3OBIQy4tcn2CTy-9jEO-NbHP_j3vBuczZ_Q-xF8tufLe4aebm-e2rvq_tePn-3VfWWEqueq59Cwho1iUEo1kot-lAxqxcaGSKKNHrQEBobKwdZSSsVHxRo99kYT3Wt-hr4dxm5TfN3ZPHeTy8Z6D8HGXe4aJRkTdA82B9CkmHOyY7c9fL6jpNu77v513XHRFdel8_OyYteX7Ni3yC351yWHXGyNCYJx-YgxISSvecEeD9hLnoveYw5pdsbb_9ZTrdn-BEqXWm45wmYDqbOB_wWeL6sK</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>HAYASHI, Ryoichi</creator><creator>HANYU, Norinao</creator><creator>YANAGISAWA, Nobuo</creator><general>The Japanese Society of Internal Medicine</general><general>Japanese Society of Internal Medicine</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>1996</creationdate><title>Alpha-Pattern Coma in Primary Brainstem Hemorrhage; Clinical, Electrophysiologic, and Cerebral Blood Flow Studies</title><author>HAYASHI, Ryoichi ; HANYU, Norinao ; YANAGISAWA, Nobuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c584t-b3a7272f5d8887635bf62a482f70609c9d96a2ac16de466683f8279fbc909b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Alpha Rhythm</topic><topic>Amphetamines</topic><topic>auditory evoked potential</topic><topic>Biological and medical sciences</topic><topic>Brain - diagnostic imaging</topic><topic>Brain Stem - physiopathology</topic><topic>Cerebral Hemorrhage - diagnostic imaging</topic><topic>Cerebral Hemorrhage - physiopathology</topic><topic>Cerebrovascular Circulation</topic><topic>coma</topic><topic>Coma - physiopathology</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>electroencephalogram</topic><topic>Electrophysiology</topic><topic>Evoked Potentials, Auditory, Brain Stem</topic><topic>Evoked Potentials, Somatosensory</topic><topic>Female</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Iodine Radioisotopes</topic><topic>Iofetamine</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Nervous system</topic><topic>single photon emission tomography (SPECT)</topic><topic>somatosensory evoked potential</topic><topic>Tomography, Emission-Computed, Single-Photon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HAYASHI, Ryoichi</creatorcontrib><creatorcontrib>HANYU, Norinao</creatorcontrib><creatorcontrib>YANAGISAWA, Nobuo</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>Internal Medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HAYASHI, Ryoichi</au><au>HANYU, Norinao</au><au>YANAGISAWA, Nobuo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Alpha-Pattern Coma in Primary Brainstem Hemorrhage; Clinical, Electrophysiologic, and Cerebral Blood Flow Studies</atitle><jtitle>Internal Medicine</jtitle><addtitle>Intern. Med.</addtitle><date>1996</date><risdate>1996</risdate><volume>35</volume><issue>11</issue><spage>905</spage><epage>908</epage><pages>905-908</pages><issn>0918-2918</issn><eissn>1349-7235</eissn><abstract>A patient with a brainstem hemorrhage and alpha-pattern coma is reported. Brainstem auditory and somatosensory evoked responses were severely abnormal, suggesting bilateral lesions of the pons, which was confirmed by magnetic resonance imaging. Regional cerebral blood flow, studied using IMP-SPECT, showed no remarkable regional radioactive accumulation or deficit in either the cerebral cortex or the subcortical regions. Based on these findings, we speculate that the alpha-pattern coma may be observed when the functions of brain structures rostral to the pontomesencephalic junction are preserved. (Internal Medicine 35: 905-908, 1996)</abstract><cop>Tokyo</cop><pub>The Japanese Society of Internal Medicine</pub><pmid>8968808</pmid><doi>10.2169/internalmedicine.35.905</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Internal Medicine, 1996, Vol.35(11), pp.905-908 |
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| language | eng |
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| source | J-STAGE Free; MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Alpha Rhythm Amphetamines auditory evoked potential Biological and medical sciences Brain - diagnostic imaging Brain Stem - physiopathology Cerebral Hemorrhage - diagnostic imaging Cerebral Hemorrhage - physiopathology Cerebrovascular Circulation coma Coma - physiopathology Electrodiagnosis. Electric activity recording electroencephalogram Electrophysiology Evoked Potentials, Auditory, Brain Stem Evoked Potentials, Somatosensory Female Humans Investigative techniques, diagnostic techniques (general aspects) Iodine Radioisotopes Iofetamine Medical sciences Middle Aged Nervous system single photon emission tomography (SPECT) somatosensory evoked potential Tomography, Emission-Computed, Single-Photon |
| title | Alpha-Pattern Coma in Primary Brainstem Hemorrhage; Clinical, Electrophysiologic, and Cerebral Blood Flow Studies |
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