Hemodynamic changes in ipsi- and contralateral cerebral arterial territories after carotid endarterectomy using positron emission tomography
Abstract Background The purpose of this study was to characterize ipsi- and contralateral cerebral hemodynamics before and after CEA. Methods Cerebral blood flow, CBV, and MVTT were measured in 10 patients before and after CEA using PET. Absolute and relative values of these parameters were calculat...
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| Veröffentlicht in: | Surgical neurology 2009-06, Vol.71 (6), p.668-676 |
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| creator | Rijbroek, Abraham, MD Boellaard, Ronald, PhD Vermeulen, Erik G.J., MD Lammertsma, Adriaan A., MD Rauwerda, Jan A., MD |
| description | Abstract Background The purpose of this study was to characterize ipsi- and contralateral cerebral hemodynamics before and after CEA. Methods Cerebral blood flow, CBV, and MVTT were measured in 10 patients before and after CEA using PET. Absolute and relative values of these parameters were calculated bilaterally for the entire arterial territories and hemispheres. Results For all territories in both hemispheres, the mean absolute postoperative CBF was significantly increased compared with preoperative CBF ( P < .05). Only in MCA was this increase higher in the ipsilateral than in the contralateral hemisphere ( P = .02). Cerebral blood volume was unaffected, whereas MVTT decreased in ipsilateral MCA ( P = .05). Conclusions The present findings suggest that, on the first day after CEA, absolute CBF is increased in all arterial territories on both ipsi- and contralateral sides, but that there are only minor changes in the relative distribution, whereas the CBV was unaffected. |
| doi_str_mv | 10.1016/j.surneu.2008.04.027 |
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Methods Cerebral blood flow, CBV, and MVTT were measured in 10 patients before and after CEA using PET. Absolute and relative values of these parameters were calculated bilaterally for the entire arterial territories and hemispheres. Results For all territories in both hemispheres, the mean absolute postoperative CBF was significantly increased compared with preoperative CBF ( P < .05). Only in MCA was this increase higher in the ipsilateral than in the contralateral hemisphere ( P = .02). Cerebral blood volume was unaffected, whereas MVTT decreased in ipsilateral MCA ( P = .05). Conclusions The present findings suggest that, on the first day after CEA, absolute CBF is increased in all arterial territories on both ipsi- and contralateral sides, but that there are only minor changes in the relative distribution, whereas the CBV was unaffected.</description><identifier>ISSN: 0090-3019</identifier><identifier>EISSN: 1879-3339</identifier><identifier>DOI: 10.1016/j.surneu.2008.04.027</identifier><identifier>PMID: 18614216</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Blood Flow Velocity - physiology ; Blood Volume - physiology ; Carotid endarterectomy ; Carotid Stenosis - diagnosis ; Carotid Stenosis - physiopathology ; Carotid Stenosis - surgery ; Cerebral arterial territory ; Cerebral blood flow ; Cerebral blood volume ; Cerebrovascular Circulation - physiology ; Cohort Studies ; Endarterectomy, Carotid ; Female ; Humans ; Imaging, Three-Dimensional ; Male ; Mean vascular transit time ; Neurology ; Positron emission tomography ; Retrospective Studies ; Surgery</subject><ispartof>Surgical neurology, 2009-06, Vol.71 (6), p.668-676</ispartof><rights>Elsevier Inc.</rights><rights>2009 Elsevier Inc.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c543t-f1aa5b320d8e92bc2c2226145aaedd9560fffff31628a251205a79ca09abdb4f3</citedby><cites>FETCH-LOGICAL-c543t-f1aa5b320d8e92bc2c2226145aaedd9560fffff31628a251205a79ca09abdb4f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18614216$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rijbroek, Abraham, MD</creatorcontrib><creatorcontrib>Boellaard, Ronald, PhD</creatorcontrib><creatorcontrib>Vermeulen, Erik G.J., MD</creatorcontrib><creatorcontrib>Lammertsma, Adriaan A., MD</creatorcontrib><creatorcontrib>Rauwerda, Jan A., MD</creatorcontrib><title>Hemodynamic changes in ipsi- and contralateral cerebral arterial territories after carotid endarterectomy using positron emission tomography</title><title>Surgical neurology</title><addtitle>Surg Neurol</addtitle><description>Abstract Background The purpose of this study was to characterize ipsi- and contralateral cerebral hemodynamics before and after CEA. Methods Cerebral blood flow, CBV, and MVTT were measured in 10 patients before and after CEA using PET. Absolute and relative values of these parameters were calculated bilaterally for the entire arterial territories and hemispheres. Results For all territories in both hemispheres, the mean absolute postoperative CBF was significantly increased compared with preoperative CBF ( P < .05). Only in MCA was this increase higher in the ipsilateral than in the contralateral hemisphere ( P = .02). Cerebral blood volume was unaffected, whereas MVTT decreased in ipsilateral MCA ( P = .05). Conclusions The present findings suggest that, on the first day after CEA, absolute CBF is increased in all arterial territories on both ipsi- and contralateral sides, but that there are only minor changes in the relative distribution, whereas the CBV was unaffected.</description><subject>Blood Flow Velocity - physiology</subject><subject>Blood Volume - physiology</subject><subject>Carotid endarterectomy</subject><subject>Carotid Stenosis - diagnosis</subject><subject>Carotid Stenosis - physiopathology</subject><subject>Carotid Stenosis - surgery</subject><subject>Cerebral arterial territory</subject><subject>Cerebral blood flow</subject><subject>Cerebral blood volume</subject><subject>Cerebrovascular Circulation - physiology</subject><subject>Cohort Studies</subject><subject>Endarterectomy, Carotid</subject><subject>Female</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional</subject><subject>Male</subject><subject>Mean vascular transit time</subject><subject>Neurology</subject><subject>Positron emission tomography</subject><subject>Retrospective Studies</subject><subject>Surgery</subject><issn>0090-3019</issn><issn>1879-3339</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUk2PFCEQ7RiNO67-A2M4eeuxgP7iYmI26m6yiQc18UaqoXqWsRtG6N5k_oM_WtqZxMTLcKAKeO8B9aooXnPYcuDNu_02LdHTshUA3RaqLYj2SbHhXatKKaV6WmwAFJQSuLoqXqS0BwCpavW8uOJdwyvBm03x-5amYI8eJ2eYeUC_o8ScZ-6QXMnQW2aCnyOOOFOemaFI_ZpgzBsuJzlEN4foMhGHvGIGY5idZeTtXxSZOUxHtiTnd-wQkptj8Iwml5LLST4Mu4iHh-PL4tmAY6JX53hdfP_08dvNbXn_5fPdzYf70tSVnMuBI9a9FGA7UqI3wggh8odqRLJW1Q0M65C8ER2KmguosVUGQWFv-2qQ18Xbk-4hhl8LpVnntxgaR_QUlqSbNgt2Ql4EyqpWwEVzESigrUXTtRlYnYAmhpQiDfoQ3YTxqDno1Ve91ydf9eqrhkpnXzPtzVl_6Sey_0hnIzPg_QlAuW6PjqJOxpE3ZN1af22Du3TD_wJmdN4ZHH_SkdI-ZEr2RHOdhAb9de2ttbWgA6hE90P-AWMZz4o</recordid><startdate>20090601</startdate><enddate>20090601</enddate><creator>Rijbroek, Abraham, MD</creator><creator>Boellaard, Ronald, PhD</creator><creator>Vermeulen, Erik G.J., MD</creator><creator>Lammertsma, Adriaan A., MD</creator><creator>Rauwerda, Jan A., MD</creator><general>Elsevier Inc</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>7TK</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope></search><sort><creationdate>20090601</creationdate><title>Hemodynamic changes in ipsi- and contralateral cerebral arterial territories after carotid endarterectomy using positron emission tomography</title><author>Rijbroek, Abraham, MD ; Boellaard, Ronald, PhD ; Vermeulen, Erik G.J., MD ; Lammertsma, Adriaan A., MD ; Rauwerda, Jan A., MD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c543t-f1aa5b320d8e92bc2c2226145aaedd9560fffff31628a251205a79ca09abdb4f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Blood Flow Velocity - physiology</topic><topic>Blood Volume - physiology</topic><topic>Carotid endarterectomy</topic><topic>Carotid Stenosis - diagnosis</topic><topic>Carotid Stenosis - physiopathology</topic><topic>Carotid Stenosis - surgery</topic><topic>Cerebral arterial territory</topic><topic>Cerebral blood flow</topic><topic>Cerebral blood volume</topic><topic>Cerebrovascular Circulation - physiology</topic><topic>Cohort Studies</topic><topic>Endarterectomy, Carotid</topic><topic>Female</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional</topic><topic>Male</topic><topic>Mean vascular transit time</topic><topic>Neurology</topic><topic>Positron emission tomography</topic><topic>Retrospective Studies</topic><topic>Surgery</topic><toplevel>online_resources</toplevel><creatorcontrib>Rijbroek, Abraham, MD</creatorcontrib><creatorcontrib>Boellaard, Ronald, PhD</creatorcontrib><creatorcontrib>Vermeulen, Erik G.J., MD</creatorcontrib><creatorcontrib>Lammertsma, Adriaan A., MD</creatorcontrib><creatorcontrib>Rauwerda, Jan A., MD</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><jtitle>Surgical neurology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rijbroek, Abraham, MD</au><au>Boellaard, Ronald, PhD</au><au>Vermeulen, Erik G.J., MD</au><au>Lammertsma, Adriaan A., MD</au><au>Rauwerda, Jan A., MD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hemodynamic changes in ipsi- and contralateral cerebral arterial territories after carotid endarterectomy using positron emission tomography</atitle><jtitle>Surgical neurology</jtitle><addtitle>Surg Neurol</addtitle><date>2009-06-01</date><risdate>2009</risdate><volume>71</volume><issue>6</issue><spage>668</spage><epage>676</epage><pages>668-676</pages><issn>0090-3019</issn><eissn>1879-3339</eissn><abstract>Abstract Background The purpose of this study was to characterize ipsi- and contralateral cerebral hemodynamics before and after CEA. Methods Cerebral blood flow, CBV, and MVTT were measured in 10 patients before and after CEA using PET. Absolute and relative values of these parameters were calculated bilaterally for the entire arterial territories and hemispheres. Results For all territories in both hemispheres, the mean absolute postoperative CBF was significantly increased compared with preoperative CBF ( P < .05). Only in MCA was this increase higher in the ipsilateral than in the contralateral hemisphere ( P = .02). Cerebral blood volume was unaffected, whereas MVTT decreased in ipsilateral MCA ( P = .05). Conclusions The present findings suggest that, on the first day after CEA, absolute CBF is increased in all arterial territories on both ipsi- and contralateral sides, but that there are only minor changes in the relative distribution, whereas the CBV was unaffected.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>18614216</pmid><doi>10.1016/j.surneu.2008.04.027</doi><tpages>9</tpages></addata></record> |
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| subjects | Blood Flow Velocity - physiology Blood Volume - physiology Carotid endarterectomy Carotid Stenosis - diagnosis Carotid Stenosis - physiopathology Carotid Stenosis - surgery Cerebral arterial territory Cerebral blood flow Cerebral blood volume Cerebrovascular Circulation - physiology Cohort Studies Endarterectomy, Carotid Female Humans Imaging, Three-Dimensional Male Mean vascular transit time Neurology Positron emission tomography Retrospective Studies Surgery |
| title | Hemodynamic changes in ipsi- and contralateral cerebral arterial territories after carotid endarterectomy using positron emission tomography |
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