Embolic potential and ultrasonic characteristics of plaques in patients with severe unilateral carotid restenosis more than one year after surgery
Abstract Purpose The purpose of the study is to investigate the embolic potential as well as ultrasonic characteristics of plaques in patients presenting with severe unilateral restenosis at least 1 year after carotid endarterectomy (CEA), compared with patients with severe unilateral primary caroti...
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| Veröffentlicht in: | Journal of the neurological sciences 2009-10, Vol.285 (1), p.85-87 |
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| creator | Telman, G Kouperberg, E Hlebtovsky, A Sprecher, E Hoffman, A Kerner, A Beyar, R |
| description | Abstract Purpose The purpose of the study is to investigate the embolic potential as well as ultrasonic characteristics of plaques in patients presenting with severe unilateral restenosis at least 1 year after carotid endarterectomy (CEA), compared with patients with severe unilateral primary carotid stenosis. Methods We used transcranial Doppler (TCD) to monitor microembolic signals (MES) and Doppler ultrasound to classify types and density of plaques in 27 patients with restenosis after CEA and in 97 patients with primary stenosis. Results Mean period between surgery and examination in patients with restenosis was 36.7 ± 30.5 months (range 12–96). The groups were similar in distribution of main vascular risk factors. There were 36 (37.1%) patients with MES on TCD in primary stenosis versus 11 (40.7%) in restenosis group (NS). An average number of MES in primary stenosis group was 2.9 ± 3.5/30 min and in restenosis group − 3.4 ± 2.9 (NS). There was no difference in distribution of plaques by echogenicity as well as by density. After adjustment by age, sex, and main risk factors, no influence was found for the effect of stenosis or restenosis on either the presence or the amount of emboli, as well as on the ultrasonic character of plaques. Conclusion Carotid plaques in patients with severe unilateral carotid restenosis at least 1 year after surgery and in patients with primary lesions are similar in their embolic potential and ultrasonic characteristics. |
| doi_str_mv | 10.1016/j.jns.2009.05.024 |
| format | Article |
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Methods We used transcranial Doppler (TCD) to monitor microembolic signals (MES) and Doppler ultrasound to classify types and density of plaques in 27 patients with restenosis after CEA and in 97 patients with primary stenosis. Results Mean period between surgery and examination in patients with restenosis was 36.7 ± 30.5 months (range 12–96). The groups were similar in distribution of main vascular risk factors. There were 36 (37.1%) patients with MES on TCD in primary stenosis versus 11 (40.7%) in restenosis group (NS). An average number of MES in primary stenosis group was 2.9 ± 3.5/30 min and in restenosis group − 3.4 ± 2.9 (NS). There was no difference in distribution of plaques by echogenicity as well as by density. After adjustment by age, sex, and main risk factors, no influence was found for the effect of stenosis or restenosis on either the presence or the amount of emboli, as well as on the ultrasonic character of plaques. Conclusion Carotid plaques in patients with severe unilateral carotid restenosis at least 1 year after surgery and in patients with primary lesions are similar in their embolic potential and ultrasonic characteristics.</description><identifier>ISSN: 0022-510X</identifier><identifier>EISSN: 1878-5883</identifier><identifier>DOI: 10.1016/j.jns.2009.05.024</identifier><identifier>PMID: 19501842</identifier><identifier>CODEN: JNSCAG</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aged ; Analysis of Variance ; Biological and medical sciences ; Carotid Artery Diseases - diagnostic imaging ; Carotid Artery Diseases - epidemiology ; Carotid Artery Diseases - surgery ; Carotid plaque ; Carotid Stenosis - diagnostic imaging ; Carotid Stenosis - epidemiology ; Carotid Stenosis - surgery ; Endarterectomy, Carotid ; Female ; Humans ; Intracranial Embolism - diagnostic imaging ; Intracranial Embolism - epidemiology ; Male ; Medical sciences ; Microemboli ; Monitoring ; Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis ; Neurology ; Restenosis ; Risk Factors ; Time Factors ; Transcranial Doppler ; Ultrasonography, Doppler, Transcranial</subject><ispartof>Journal of the neurological sciences, 2009-10, Vol.285 (1), p.85-87</ispartof><rights>Elsevier B.V.</rights><rights>2009 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c468t-d0dc4d7e3fc7cf548d7e2dd47aa0f069f14f294eb317be6fe093425c22aee0c93</citedby><cites>FETCH-LOGICAL-c468t-d0dc4d7e3fc7cf548d7e2dd47aa0f069f14f294eb317be6fe093425c22aee0c93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022510X09006339$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22347980$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19501842$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Telman, G</creatorcontrib><creatorcontrib>Kouperberg, E</creatorcontrib><creatorcontrib>Hlebtovsky, A</creatorcontrib><creatorcontrib>Sprecher, E</creatorcontrib><creatorcontrib>Hoffman, A</creatorcontrib><creatorcontrib>Kerner, A</creatorcontrib><creatorcontrib>Beyar, R</creatorcontrib><title>Embolic potential and ultrasonic characteristics of plaques in patients with severe unilateral carotid restenosis more than one year after surgery</title><title>Journal of the neurological sciences</title><addtitle>J Neurol Sci</addtitle><description>Abstract Purpose The purpose of the study is to investigate the embolic potential as well as ultrasonic characteristics of plaques in patients presenting with severe unilateral restenosis at least 1 year after carotid endarterectomy (CEA), compared with patients with severe unilateral primary carotid stenosis. Methods We used transcranial Doppler (TCD) to monitor microembolic signals (MES) and Doppler ultrasound to classify types and density of plaques in 27 patients with restenosis after CEA and in 97 patients with primary stenosis. Results Mean period between surgery and examination in patients with restenosis was 36.7 ± 30.5 months (range 12–96). The groups were similar in distribution of main vascular risk factors. There were 36 (37.1%) patients with MES on TCD in primary stenosis versus 11 (40.7%) in restenosis group (NS). An average number of MES in primary stenosis group was 2.9 ± 3.5/30 min and in restenosis group − 3.4 ± 2.9 (NS). There was no difference in distribution of plaques by echogenicity as well as by density. After adjustment by age, sex, and main risk factors, no influence was found for the effect of stenosis or restenosis on either the presence or the amount of emboli, as well as on the ultrasonic character of plaques. Conclusion Carotid plaques in patients with severe unilateral carotid restenosis at least 1 year after surgery and in patients with primary lesions are similar in their embolic potential and ultrasonic characteristics.</description><subject>Aged</subject><subject>Analysis of Variance</subject><subject>Biological and medical sciences</subject><subject>Carotid Artery Diseases - diagnostic imaging</subject><subject>Carotid Artery Diseases - epidemiology</subject><subject>Carotid Artery Diseases - surgery</subject><subject>Carotid plaque</subject><subject>Carotid Stenosis - diagnostic imaging</subject><subject>Carotid Stenosis - epidemiology</subject><subject>Carotid Stenosis - surgery</subject><subject>Endarterectomy, Carotid</subject><subject>Female</subject><subject>Humans</subject><subject>Intracranial Embolism - diagnostic imaging</subject><subject>Intracranial Embolism - epidemiology</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Microemboli</subject><subject>Monitoring</subject><subject>Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis</subject><subject>Neurology</subject><subject>Restenosis</subject><subject>Risk Factors</subject><subject>Time Factors</subject><subject>Transcranial Doppler</subject><subject>Ultrasonography, Doppler, Transcranial</subject><issn>0022-510X</issn><issn>1878-5883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9ks2KFDEURgtRnHb0AdxINuqq25tUqiqFIMgw_sCACxXchXTqxk6brpS5qZF-DZ_YFN0ouJhVAjnfR5Jzq-ophw0H3r7ab_YjbQRAv4FmA0Leq1ZcdWrdKFXfr1YAQqwbDt8uqkdEewBoleofVhe8b4ArKVbV7-vDNgZv2RQzjtmbwMw4sDnkZCiO5cDuTDI2Y_KUvSUWHZuC-TkjMT-yyWRfcsR--bxjhLeYkM2jD6YkSpk1KWY_sIRU-iN5YodYkLwzI4sjsiOaxIwrNKM5fcd0fFw9cCYQPjmvl9XXd9dfrj6sbz69_3j19mZtZavyeoDByqHD2tnOukaqshfDIDtjwEHbOy6d6CVua95tsXUIfS1FY4UwiGD7-rJ6eeqdUlyek_XBk8UQzIhxJt3VEiSXAgr54k5SgBJtQQvIT6BNkSih01PyB5OOmoNelOm9Lsr0okxDo4uyknl2Lp-3Bxz-Jc6OCvD8DBiyJrhkRuvpLydELbteLbd8feKwfNqtx6TJFjcWB5_QZj1Ef-c13vyXtsEX_yb8wCPSPs5pLDY01yQ06M_LbC2jBX2Zqrru6z_WCs1P</recordid><startdate>20091015</startdate><enddate>20091015</enddate><creator>Telman, G</creator><creator>Kouperberg, E</creator><creator>Hlebtovsky, A</creator><creator>Sprecher, E</creator><creator>Hoffman, A</creator><creator>Kerner, A</creator><creator>Beyar, R</creator><general>Elsevier B.V</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>7TK</scope><scope>7X8</scope></search><sort><creationdate>20091015</creationdate><title>Embolic potential and ultrasonic characteristics of plaques in patients with severe unilateral carotid restenosis more than one year after surgery</title><author>Telman, G ; Kouperberg, E ; Hlebtovsky, A ; Sprecher, E ; Hoffman, A ; Kerner, A ; Beyar, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468t-d0dc4d7e3fc7cf548d7e2dd47aa0f069f14f294eb317be6fe093425c22aee0c93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Aged</topic><topic>Analysis of Variance</topic><topic>Biological and medical sciences</topic><topic>Carotid Artery Diseases - diagnostic imaging</topic><topic>Carotid Artery Diseases - epidemiology</topic><topic>Carotid Artery Diseases - surgery</topic><topic>Carotid plaque</topic><topic>Carotid Stenosis - diagnostic imaging</topic><topic>Carotid Stenosis - epidemiology</topic><topic>Carotid Stenosis - surgery</topic><topic>Endarterectomy, Carotid</topic><topic>Female</topic><topic>Humans</topic><topic>Intracranial Embolism - diagnostic imaging</topic><topic>Intracranial Embolism - epidemiology</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Microemboli</topic><topic>Monitoring</topic><topic>Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis</topic><topic>Neurology</topic><topic>Restenosis</topic><topic>Risk Factors</topic><topic>Time Factors</topic><topic>Transcranial Doppler</topic><topic>Ultrasonography, Doppler, Transcranial</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Telman, G</creatorcontrib><creatorcontrib>Kouperberg, E</creatorcontrib><creatorcontrib>Hlebtovsky, A</creatorcontrib><creatorcontrib>Sprecher, E</creatorcontrib><creatorcontrib>Hoffman, A</creatorcontrib><creatorcontrib>Kerner, A</creatorcontrib><creatorcontrib>Beyar, R</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>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of the neurological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Telman, G</au><au>Kouperberg, E</au><au>Hlebtovsky, A</au><au>Sprecher, E</au><au>Hoffman, A</au><au>Kerner, A</au><au>Beyar, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Embolic potential and ultrasonic characteristics of plaques in patients with severe unilateral carotid restenosis more than one year after surgery</atitle><jtitle>Journal of the neurological sciences</jtitle><addtitle>J Neurol Sci</addtitle><date>2009-10-15</date><risdate>2009</risdate><volume>285</volume><issue>1</issue><spage>85</spage><epage>87</epage><pages>85-87</pages><issn>0022-510X</issn><eissn>1878-5883</eissn><coden>JNSCAG</coden><abstract>Abstract Purpose The purpose of the study is to investigate the embolic potential as well as ultrasonic characteristics of plaques in patients presenting with severe unilateral restenosis at least 1 year after carotid endarterectomy (CEA), compared with patients with severe unilateral primary carotid stenosis. Methods We used transcranial Doppler (TCD) to monitor microembolic signals (MES) and Doppler ultrasound to classify types and density of plaques in 27 patients with restenosis after CEA and in 97 patients with primary stenosis. Results Mean period between surgery and examination in patients with restenosis was 36.7 ± 30.5 months (range 12–96). The groups were similar in distribution of main vascular risk factors. There were 36 (37.1%) patients with MES on TCD in primary stenosis versus 11 (40.7%) in restenosis group (NS). An average number of MES in primary stenosis group was 2.9 ± 3.5/30 min and in restenosis group − 3.4 ± 2.9 (NS). There was no difference in distribution of plaques by echogenicity as well as by density. After adjustment by age, sex, and main risk factors, no influence was found for the effect of stenosis or restenosis on either the presence or the amount of emboli, as well as on the ultrasonic character of plaques. Conclusion Carotid plaques in patients with severe unilateral carotid restenosis at least 1 year after surgery and in patients with primary lesions are similar in their embolic potential and ultrasonic characteristics.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>19501842</pmid><doi>10.1016/j.jns.2009.05.024</doi><tpages>3</tpages></addata></record> |
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| subjects | Aged Analysis of Variance Biological and medical sciences Carotid Artery Diseases - diagnostic imaging Carotid Artery Diseases - epidemiology Carotid Artery Diseases - surgery Carotid plaque Carotid Stenosis - diagnostic imaging Carotid Stenosis - epidemiology Carotid Stenosis - surgery Endarterectomy, Carotid Female Humans Intracranial Embolism - diagnostic imaging Intracranial Embolism - epidemiology Male Medical sciences Microemboli Monitoring Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis Neurology Restenosis Risk Factors Time Factors Transcranial Doppler Ultrasonography, Doppler, Transcranial |
| title | Embolic potential and ultrasonic characteristics of plaques in patients with severe unilateral carotid restenosis more than one year after surgery |
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