Improvement of carotid blood flow after carotid endarterectomy—Evaluation using intraoperative ultrasound flow measurement
Objectives: to examine the relationship between the degree of extracranial internal carotid artery (ICA) stenosis and changes in the ipsilateral ICA blood flow after carotid endarterectomy (CEA). Material and Methods: in a prospective study we studied 51 patients with unilateral 60–99% ICA stenosis...
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| Veröffentlicht in: | European journal of vascular and endovascular surgery 2003-02, Vol.25 (2), p.168-174 |
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| container_title | European journal of vascular and endovascular surgery |
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| creator | Eckstein, H.-H. Eichbaum, M. Klemm, K. Doerfler, A. Ringleb, P. Bruckner, T. Allenberg, J.-R. |
| description | Objectives: to examine the relationship between the degree of extracranial internal carotid artery (ICA) stenosis and changes in the ipsilateral ICA blood flow after carotid endarterectomy (CEA). Material and Methods: in a prospective study we studied 51 patients with unilateral 60–99% ICA stenosis (median degree 84%, asymptomatic stenosis n = 13, symptomatic stenosis n = 38). The degree of ICA diameter stenosis was determined by ex-vivo plastination of the surgically removed atherosclerotic specimen and video-assessed planimetry. Intraoperative transit time ultrasound flow measurements of the carotid arteries were performed before and after CEA. Blood flow changes were assessed by mathematical approximations. Statistics were done by use of the Wilcoxon signed Rank test. Results: common carotid artery (CCA) and ICA median blood flow increased after CEA from 370 and 130 ml/min to 450 and 282 ml/min, respectively (p |
| doi_str_mv | 10.1053/ejvs.2002.1820 |
| format | Article |
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Eur J Vasc Endovasc Surg 25, 168–174 (2003)</description><identifier>ISSN: 1078-5884</identifier><identifier>EISSN: 1532-2165</identifier><identifier>DOI: 10.1053/ejvs.2002.1820</identifier><identifier>PMID: 12552480</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Aged ; Aged, 80 and over ; Blood flow ; Blood Flow Velocity - physiology ; Carotid Artery, Common - diagnostic imaging ; Carotid Artery, Common - physiopathology ; Carotid Artery, External - diagnostic imaging ; Carotid Artery, External - physiopathology ; Carotid Artery, Internal - diagnostic imaging ; Carotid Artery, Internal - physiopathology ; Carotid Artery, Internal - surgery ; Carotid endarterectomy ; Carotid specimen ; Carotid stenosis ; Carotid Stenosis - diagnostic imaging ; Carotid Stenosis - physiopathology ; Carotid Stenosis - surgery ; Cerebrovascular Circulation - physiology ; Endarterectomy, Carotid - instrumentation ; Endarterectomy, Carotid - methods ; Humans ; Middle Aged ; Models, Cardiovascular ; Monitoring, Intraoperative - methods ; Prospective Studies ; Treatment Outcome ; Ultrasonography, Interventional - methods</subject><ispartof>European journal of vascular and endovascular surgery, 2003-02, Vol.25 (2), p.168-174</ispartof><rights>2003 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-8cf13df1e6c30b7f6b974e48520dba0d166af5dc80897d9c408c6508fef711fa3</citedby><cites>FETCH-LOGICAL-c380t-8cf13df1e6c30b7f6b974e48520dba0d166af5dc80897d9c408c6508fef711fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1053/ejvs.2002.1820$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12552480$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Eckstein, H.-H.</creatorcontrib><creatorcontrib>Eichbaum, M.</creatorcontrib><creatorcontrib>Klemm, K.</creatorcontrib><creatorcontrib>Doerfler, A.</creatorcontrib><creatorcontrib>Ringleb, P.</creatorcontrib><creatorcontrib>Bruckner, T.</creatorcontrib><creatorcontrib>Allenberg, J.-R.</creatorcontrib><title>Improvement of carotid blood flow after carotid endarterectomy—Evaluation using intraoperative ultrasound flow measurement</title><title>European journal of vascular and endovascular surgery</title><addtitle>Eur J Vasc Endovasc Surg</addtitle><description>Objectives: to examine the relationship between the degree of extracranial internal carotid artery (ICA) stenosis and changes in the ipsilateral ICA blood flow after carotid endarterectomy (CEA). Material and Methods: in a prospective study we studied 51 patients with unilateral 60–99% ICA stenosis (median degree 84%, asymptomatic stenosis n = 13, symptomatic stenosis n = 38). The degree of ICA diameter stenosis was determined by ex-vivo plastination of the surgically removed atherosclerotic specimen and video-assessed planimetry. Intraoperative transit time ultrasound flow measurements of the carotid arteries were performed before and after CEA. Blood flow changes were assessed by mathematical approximations. Statistics were done by use of the Wilcoxon signed Rank test. Results: common carotid artery (CCA) and ICA median blood flow increased after CEA from 370 and 130 ml/min to 450 and 282 ml/min, respectively (p <.001). The relative increase of ICA blood flow was 5% and 18% for 60–69% and 70–79% ICA stenosis (n.s.) but 70% and 247% for 80–89% and 90–99% stenosis (p <.001 each). Mathematical evaluation (fourth-polynomal function) determined a significant increase of carotid blood flow after CEA in ICA stenosis of ≥82.3%. Conclusions: in the absence of severe contralateral ICA occlusive disease a significant increase of ipsilateral ICA blood flow by CEA can be expected in patients with an ICA stenosis of ≥82.3% (linear degree of stenosis, ECST criteria).
Eur J Vasc Endovasc Surg 25, 168–174 (2003)</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Blood flow</subject><subject>Blood Flow Velocity - physiology</subject><subject>Carotid Artery, Common - diagnostic imaging</subject><subject>Carotid Artery, Common - physiopathology</subject><subject>Carotid Artery, External - diagnostic imaging</subject><subject>Carotid Artery, External - physiopathology</subject><subject>Carotid Artery, Internal - diagnostic imaging</subject><subject>Carotid Artery, Internal - physiopathology</subject><subject>Carotid Artery, Internal - surgery</subject><subject>Carotid endarterectomy</subject><subject>Carotid specimen</subject><subject>Carotid stenosis</subject><subject>Carotid Stenosis - diagnostic imaging</subject><subject>Carotid Stenosis - physiopathology</subject><subject>Carotid Stenosis - surgery</subject><subject>Cerebrovascular Circulation - physiology</subject><subject>Endarterectomy, Carotid - instrumentation</subject><subject>Endarterectomy, Carotid - methods</subject><subject>Humans</subject><subject>Middle Aged</subject><subject>Models, Cardiovascular</subject><subject>Monitoring, Intraoperative - methods</subject><subject>Prospective Studies</subject><subject>Treatment Outcome</subject><subject>Ultrasonography, Interventional - methods</subject><issn>1078-5884</issn><issn>1532-2165</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kLFu2zAQhokiRZ26WTsGmrLJPVKiRI-B4bQGAnRJZoIijwENSXRJSYWBDnmIPmGfJFRtJFMmkncf_8N9hHylsKLAi2-4n-KKAbAVFQw-kEvKC5YzWvGLdIda5FyIckE-x7gHAE4L_oksKOOclQIuyZ9ddwh-wg77IfM20yr4wZmsab03mW3970zZAcNrA3ujQiqgHnx3_Pf8dzupdlSD8302Rtc_Za4fgvIHDKk4YTa26Rn92J_jOlRxDP8HfiEfrWojXp3PJXm82z5sfuT3P7_vNrf3uS4EDLnQlhbGUqx0AU1tq2Zdl1gKzsA0CgytKmW50QLEujZrXYLQFQdh0daUWlUsyc0pN636a8Q4yM5FjW2revRjlDVb18lHkcDVCdTBxxjQykNwnQpHSUHOvuXsW86-5ew7fbg-J49Nh-YNPwtOgDgBmPabHAYZtcNeo3GzQmm8ey_7BX_ElIs</recordid><startdate>200302</startdate><enddate>200302</enddate><creator>Eckstein, H.-H.</creator><creator>Eichbaum, M.</creator><creator>Klemm, K.</creator><creator>Doerfler, A.</creator><creator>Ringleb, P.</creator><creator>Bruckner, T.</creator><creator>Allenberg, J.-R.</creator><general>Elsevier Ltd</general><scope>6I.</scope><scope>AAFTH</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>200302</creationdate><title>Improvement of carotid blood flow after carotid endarterectomy—Evaluation using intraoperative ultrasound flow measurement</title><author>Eckstein, H.-H. ; Eichbaum, M. ; Klemm, K. ; Doerfler, A. ; Ringleb, P. ; Bruckner, T. ; Allenberg, J.-R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-8cf13df1e6c30b7f6b974e48520dba0d166af5dc80897d9c408c6508fef711fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Blood flow</topic><topic>Blood Flow Velocity - physiology</topic><topic>Carotid Artery, Common - diagnostic imaging</topic><topic>Carotid Artery, Common - physiopathology</topic><topic>Carotid Artery, External - diagnostic imaging</topic><topic>Carotid Artery, External - physiopathology</topic><topic>Carotid Artery, Internal - diagnostic imaging</topic><topic>Carotid Artery, Internal - physiopathology</topic><topic>Carotid Artery, Internal - surgery</topic><topic>Carotid endarterectomy</topic><topic>Carotid specimen</topic><topic>Carotid stenosis</topic><topic>Carotid Stenosis - diagnostic imaging</topic><topic>Carotid Stenosis - physiopathology</topic><topic>Carotid Stenosis - surgery</topic><topic>Cerebrovascular Circulation - physiology</topic><topic>Endarterectomy, Carotid - instrumentation</topic><topic>Endarterectomy, Carotid - methods</topic><topic>Humans</topic><topic>Middle Aged</topic><topic>Models, Cardiovascular</topic><topic>Monitoring, Intraoperative - methods</topic><topic>Prospective Studies</topic><topic>Treatment Outcome</topic><topic>Ultrasonography, Interventional - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eckstein, H.-H.</creatorcontrib><creatorcontrib>Eichbaum, M.</creatorcontrib><creatorcontrib>Klemm, K.</creatorcontrib><creatorcontrib>Doerfler, A.</creatorcontrib><creatorcontrib>Ringleb, P.</creatorcontrib><creatorcontrib>Bruckner, T.</creatorcontrib><creatorcontrib>Allenberg, J.-R.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</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 vascular and endovascular surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eckstein, H.-H.</au><au>Eichbaum, M.</au><au>Klemm, K.</au><au>Doerfler, A.</au><au>Ringleb, P.</au><au>Bruckner, T.</au><au>Allenberg, J.-R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement of carotid blood flow after carotid endarterectomy—Evaluation using intraoperative ultrasound flow measurement</atitle><jtitle>European journal of vascular and endovascular surgery</jtitle><addtitle>Eur J Vasc Endovasc Surg</addtitle><date>2003-02</date><risdate>2003</risdate><volume>25</volume><issue>2</issue><spage>168</spage><epage>174</epage><pages>168-174</pages><issn>1078-5884</issn><eissn>1532-2165</eissn><abstract>Objectives: to examine the relationship between the degree of extracranial internal carotid artery (ICA) stenosis and changes in the ipsilateral ICA blood flow after carotid endarterectomy (CEA). Material and Methods: in a prospective study we studied 51 patients with unilateral 60–99% ICA stenosis (median degree 84%, asymptomatic stenosis n = 13, symptomatic stenosis n = 38). The degree of ICA diameter stenosis was determined by ex-vivo plastination of the surgically removed atherosclerotic specimen and video-assessed planimetry. Intraoperative transit time ultrasound flow measurements of the carotid arteries were performed before and after CEA. Blood flow changes were assessed by mathematical approximations. Statistics were done by use of the Wilcoxon signed Rank test. Results: common carotid artery (CCA) and ICA median blood flow increased after CEA from 370 and 130 ml/min to 450 and 282 ml/min, respectively (p <.001). The relative increase of ICA blood flow was 5% and 18% for 60–69% and 70–79% ICA stenosis (n.s.) but 70% and 247% for 80–89% and 90–99% stenosis (p <.001 each). Mathematical evaluation (fourth-polynomal function) determined a significant increase of carotid blood flow after CEA in ICA stenosis of ≥82.3%. Conclusions: in the absence of severe contralateral ICA occlusive disease a significant increase of ipsilateral ICA blood flow by CEA can be expected in patients with an ICA stenosis of ≥82.3% (linear degree of stenosis, ECST criteria).
Eur J Vasc Endovasc Surg 25, 168–174 (2003)</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>12552480</pmid><doi>10.1053/ejvs.2002.1820</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Aged, 80 and over Blood flow Blood Flow Velocity - physiology Carotid Artery, Common - diagnostic imaging Carotid Artery, Common - physiopathology Carotid Artery, External - diagnostic imaging Carotid Artery, External - physiopathology Carotid Artery, Internal - diagnostic imaging Carotid Artery, Internal - physiopathology Carotid Artery, Internal - surgery Carotid endarterectomy Carotid specimen Carotid stenosis Carotid Stenosis - diagnostic imaging Carotid Stenosis - physiopathology Carotid Stenosis - surgery Cerebrovascular Circulation - physiology Endarterectomy, Carotid - instrumentation Endarterectomy, Carotid - methods Humans Middle Aged Models, Cardiovascular Monitoring, Intraoperative - methods Prospective Studies Treatment Outcome Ultrasonography, Interventional - methods |
| title | Improvement of carotid blood flow after carotid endarterectomy—Evaluation using intraoperative ultrasound flow measurement |
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