Experimental Analysis of Brain Surface Elastance in Cats
Brain surface elastance, defined as the pressure needed to compress the cortex 3 mm, was measured using the ophthalmodynamometer in six cats using three burr holes (frontal, parietal, and occipital) on each side. An intracranial mass was then used to compress the right side for 3 hours, and cardiac...
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| Veröffentlicht in: | Neurologia medico-chirurgica 1994, Vol.34(11), pp.734-737 |
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| container_issue | 11 |
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| container_title | Neurologia medico-chirurgica |
| container_volume | 34 |
| creator | FUKUHARA, Toru NISHIO, Shinsaku KAWAUCHI, Masamitsu ASARI, Shoji OHMOTO, Takashi AKIOKA, Tatsuro |
| description | Brain surface elastance, defined as the pressure needed to compress the cortex 3 mm, was measured using the ophthalmodynamometer in six cats using three burr holes (frontal, parietal, and occipital) on each side. An intracranial mass was then used to compress the right side for 3 hours, and cardiac arrest was induced after the mass was removed. Elastance was measured four times: before insertion of the mass, 10 and 70 minutes after removal of the mass, and 60 minutes after cardiac arrest. The results showed that: brain surface elastance does not change between sides, but varies among regions with the parietal region having the highest elastance; elastance increases after compression by an intracranial mass, but not after cardiac arrest; and stiff brain tends to restore poorly. Elastance is apparently increased by the formation of edema. Measuring brain elastance may be useful in predicting brain restoration subsequent to removal of mass lesions. |
| doi_str_mv | 10.2176/nmc.34.734 |
| format | Article |
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An intracranial mass was then used to compress the right side for 3 hours, and cardiac arrest was induced after the mass was removed. Elastance was measured four times: before insertion of the mass, 10 and 70 minutes after removal of the mass, and 60 minutes after cardiac arrest. The results showed that: brain surface elastance does not change between sides, but varies among regions with the parietal region having the highest elastance; elastance increases after compression by an intracranial mass, but not after cardiac arrest; and stiff brain tends to restore poorly. Elastance is apparently increased by the formation of edema. Measuring brain elastance may be useful in predicting brain restoration subsequent to removal of mass lesions.</description><identifier>ISSN: 0470-8105</identifier><identifier>EISSN: 1349-8029</identifier><identifier>DOI: 10.2176/nmc.34.734</identifier><identifier>PMID: 7533266</identifier><language>eng</language><publisher>Japan: The Japan Neurosurgical Society</publisher><subject>Animals ; Brain - physiology ; Brain - physiopathology ; Brain Ischemia - physiopathology ; brain restoration ; brain surface elastance ; Cats ; Elasticity ; global ischemia ; intracranial mass ; ophthalmodynamometer ; Ophthalmodynamometry</subject><ispartof>Neurologia medico-chirurgica, 1994, Vol.34(11), pp.734-737</ispartof><rights>The Japan Neurosurgical Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4624-1b4aa5f0aa02144503ae90e9e44e6a6c871e7ba26d57d8d2c1159300477ce9433</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7533266$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>FUKUHARA, Toru</creatorcontrib><creatorcontrib>NISHIO, Shinsaku</creatorcontrib><creatorcontrib>KAWAUCHI, Masamitsu</creatorcontrib><creatorcontrib>ASARI, Shoji</creatorcontrib><creatorcontrib>OHMOTO, Takashi</creatorcontrib><creatorcontrib>AKIOKA, Tatsuro</creatorcontrib><title>Experimental Analysis of Brain Surface Elastance in Cats</title><title>Neurologia medico-chirurgica</title><addtitle>Neurol. Med. Chir.(Tokyo)</addtitle><description>Brain surface elastance, defined as the pressure needed to compress the cortex 3 mm, was measured using the ophthalmodynamometer in six cats using three burr holes (frontal, parietal, and occipital) on each side. An intracranial mass was then used to compress the right side for 3 hours, and cardiac arrest was induced after the mass was removed. Elastance was measured four times: before insertion of the mass, 10 and 70 minutes after removal of the mass, and 60 minutes after cardiac arrest. The results showed that: brain surface elastance does not change between sides, but varies among regions with the parietal region having the highest elastance; elastance increases after compression by an intracranial mass, but not after cardiac arrest; and stiff brain tends to restore poorly. Elastance is apparently increased by the formation of edema. Measuring brain elastance may be useful in predicting brain restoration subsequent to removal of mass lesions.</description><subject>Animals</subject><subject>Brain - physiology</subject><subject>Brain - physiopathology</subject><subject>Brain Ischemia - physiopathology</subject><subject>brain restoration</subject><subject>brain surface elastance</subject><subject>Cats</subject><subject>Elasticity</subject><subject>global ischemia</subject><subject>intracranial mass</subject><subject>ophthalmodynamometer</subject><subject>Ophthalmodynamometry</subject><issn>0470-8105</issn><issn>1349-8029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kMtLw0AQxhdRaqm9eBdy8iCk7ivZzVFLfEDBg3peJpuJRvKouwnY_94NDb3MDPN9_Jj5CLlmdMOZSu-71m6E3Cghz8iSCZnFmvLsnCypVDTWjCaXZO19XVDKpZZCqwVZqEQInqZLovO_Pbq6xW6AJnrooDn42kd9FT06qLvofXQVWIzyBvwAXZjCcguDvyIXFTQe13Nfkc-n_GP7Eu_enl-3D7vYypTLmBUSIKkoAOVMyoQKwIxihlJiCqnViqEqgKdlokpdcstYkgkablcWMynEitweuXvX_47oB9PW3mLTQIf96I1SSguhJ-Pd0Whd773DyuzDX-AOhlEzJWVCUkZIE5IK5puZOhYtlifrnEvQ86P-E77-wpMObqhtgxOKZUk24Riba-CedPsNzmAn_gEqVHoZ</recordid><startdate>1994</startdate><enddate>1994</enddate><creator>FUKUHARA, Toru</creator><creator>NISHIO, Shinsaku</creator><creator>KAWAUCHI, Masamitsu</creator><creator>ASARI, Shoji</creator><creator>OHMOTO, Takashi</creator><creator>AKIOKA, Tatsuro</creator><general>The Japan Neurosurgical Society</general><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>1994</creationdate><title>Experimental Analysis of Brain Surface Elastance in Cats</title><author>FUKUHARA, Toru ; NISHIO, Shinsaku ; KAWAUCHI, Masamitsu ; ASARI, Shoji ; OHMOTO, Takashi ; AKIOKA, Tatsuro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4624-1b4aa5f0aa02144503ae90e9e44e6a6c871e7ba26d57d8d2c1159300477ce9433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animals</topic><topic>Brain - physiology</topic><topic>Brain - physiopathology</topic><topic>Brain Ischemia - physiopathology</topic><topic>brain restoration</topic><topic>brain surface elastance</topic><topic>Cats</topic><topic>Elasticity</topic><topic>global ischemia</topic><topic>intracranial mass</topic><topic>ophthalmodynamometer</topic><topic>Ophthalmodynamometry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>FUKUHARA, Toru</creatorcontrib><creatorcontrib>NISHIO, Shinsaku</creatorcontrib><creatorcontrib>KAWAUCHI, Masamitsu</creatorcontrib><creatorcontrib>ASARI, Shoji</creatorcontrib><creatorcontrib>OHMOTO, Takashi</creatorcontrib><creatorcontrib>AKIOKA, Tatsuro</creatorcontrib><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>Neurologia medico-chirurgica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>FUKUHARA, Toru</au><au>NISHIO, Shinsaku</au><au>KAWAUCHI, Masamitsu</au><au>ASARI, Shoji</au><au>OHMOTO, Takashi</au><au>AKIOKA, Tatsuro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental Analysis of Brain Surface Elastance in Cats</atitle><jtitle>Neurologia medico-chirurgica</jtitle><addtitle>Neurol. Med. Chir.(Tokyo)</addtitle><date>1994</date><risdate>1994</risdate><volume>34</volume><issue>11</issue><spage>734</spage><epage>737</epage><pages>734-737</pages><issn>0470-8105</issn><eissn>1349-8029</eissn><abstract>Brain surface elastance, defined as the pressure needed to compress the cortex 3 mm, was measured using the ophthalmodynamometer in six cats using three burr holes (frontal, parietal, and occipital) on each side. An intracranial mass was then used to compress the right side for 3 hours, and cardiac arrest was induced after the mass was removed. Elastance was measured four times: before insertion of the mass, 10 and 70 minutes after removal of the mass, and 60 minutes after cardiac arrest. The results showed that: brain surface elastance does not change between sides, but varies among regions with the parietal region having the highest elastance; elastance increases after compression by an intracranial mass, but not after cardiac arrest; and stiff brain tends to restore poorly. Elastance is apparently increased by the formation of edema. Measuring brain elastance may be useful in predicting brain restoration subsequent to removal of mass lesions.</abstract><cop>Japan</cop><pub>The Japan Neurosurgical Society</pub><pmid>7533266</pmid><doi>10.2176/nmc.34.734</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0470-8105 |
| ispartof | Neurologia medico-chirurgica, 1994, Vol.34(11), pp.734-737 |
| issn | 0470-8105 1349-8029 |
| language | eng |
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| source | MEDLINE; EZB Electronic Journals Library; J-STAGE |
| subjects | Animals Brain - physiology Brain - physiopathology Brain Ischemia - physiopathology brain restoration brain surface elastance Cats Elasticity global ischemia intracranial mass ophthalmodynamometer Ophthalmodynamometry |
| title | Experimental Analysis of Brain Surface Elastance in Cats |
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