Cerebral microembolism and ischemic changes associated with carotid endarterectomy
Purpose: The purpose of this study is to characterize microembolic signals (MS) that occur during the various phases of carotid endarterectomy (CEA) and to consider their relationship to postoperative changes on magnetic resonance imaging (MRI). Methods: This was a retrospective study of 76 patients...
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| Veröffentlicht in: | Journal of vascular surgery 1998-06, Vol.27 (6), p.1024-1031 |
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| container_title | Journal of vascular surgery |
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| creator | Cantelmo, Nancy L. Babikian, Viken L. Samaraweera, Ranji N. Gordon, Jonathan K. Pochay, Val E. Winter, Michael R. |
| description | Purpose: The purpose of this study is to characterize microembolic signals (MS) that occur during the various phases of carotid endarterectomy (CEA) and to consider their relationship to postoperative changes on magnetic resonance imaging (MRI).
Methods: This was a retrospective study of 76 patients who underwent 78 carotid endarterectomies at a referral center. Perioperative transcranial Doppler monitoring and MRI were performed before and after CEA. The types of MS that occurred during phases of surgery were analyzed and compared with MRI changes.
Results: We observed a clinical stroke in one patient (1.3%) and ipsilateral small areas of silent ischemic change on seven postoperative MRI studies (9.0%). In 95% of CEAs, MS were detected. Only those MS observed in the recovery room that occurred at a rate of more than five per 15 minutes were associated with postoperative MRI ischemic changes (
p < 0.0001).
Conclusions: Ischemic changes on MRI after CEA are related to postoperative MS. (J Vasc Surg 1998;27:1024-31.) |
| doi_str_mv | 10.1016/S0741-5214(98)70005-9 |
| format | Article |
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Methods: This was a retrospective study of 76 patients who underwent 78 carotid endarterectomies at a referral center. Perioperative transcranial Doppler monitoring and MRI were performed before and after CEA. The types of MS that occurred during phases of surgery were analyzed and compared with MRI changes.
Results: We observed a clinical stroke in one patient (1.3%) and ipsilateral small areas of silent ischemic change on seven postoperative MRI studies (9.0%). In 95% of CEAs, MS were detected. Only those MS observed in the recovery room that occurred at a rate of more than five per 15 minutes were associated with postoperative MRI ischemic changes (
p < 0.0001).
Conclusions: Ischemic changes on MRI after CEA are related to postoperative MS. (J Vasc Surg 1998;27:1024-31.)</description><identifier>ISSN: 0741-5214</identifier><identifier>EISSN: 1097-6809</identifier><identifier>DOI: 10.1016/S0741-5214(98)70005-9</identifier><identifier>PMID: 9652464</identifier><language>eng</language><publisher>United States: Mosby, Inc</publisher><subject>Brain Ischemia - classification ; Brain Ischemia - diagnosis ; Brain Ischemia - etiology ; Carotid Artery, Internal - surgery ; Electroencephalography ; Endarterectomy, Carotid - adverse effects ; Endarterectomy, Carotid - statistics & numerical data ; Humans ; Intracranial Embolism and Thrombosis - classification ; Intracranial Embolism and Thrombosis - diagnosis ; Intracranial Embolism and Thrombosis - etiology ; Magnetic Resonance Imaging ; Postoperative Complications - diagnosis ; Postoperative Complications - etiology ; Retrospective Studies ; Ultrasonography, Doppler, Transcranial</subject><ispartof>Journal of vascular surgery, 1998-06, Vol.27 (6), p.1024-1031</ispartof><rights>1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-3fc83166ba4caae5e7d3ebdc59fe05fcde3404b5a79b7043a212a6341fd71a5d3</citedby><cites>FETCH-LOGICAL-c407t-3fc83166ba4caae5e7d3ebdc59fe05fcde3404b5a79b7043a212a6341fd71a5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0741521498700059$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9652464$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cantelmo, Nancy L.</creatorcontrib><creatorcontrib>Babikian, Viken L.</creatorcontrib><creatorcontrib>Samaraweera, Ranji N.</creatorcontrib><creatorcontrib>Gordon, Jonathan K.</creatorcontrib><creatorcontrib>Pochay, Val E.</creatorcontrib><creatorcontrib>Winter, Michael R.</creatorcontrib><title>Cerebral microembolism and ischemic changes associated with carotid endarterectomy</title><title>Journal of vascular surgery</title><addtitle>J Vasc Surg</addtitle><description>Purpose: The purpose of this study is to characterize microembolic signals (MS) that occur during the various phases of carotid endarterectomy (CEA) and to consider their relationship to postoperative changes on magnetic resonance imaging (MRI).
Methods: This was a retrospective study of 76 patients who underwent 78 carotid endarterectomies at a referral center. Perioperative transcranial Doppler monitoring and MRI were performed before and after CEA. The types of MS that occurred during phases of surgery were analyzed and compared with MRI changes.
Results: We observed a clinical stroke in one patient (1.3%) and ipsilateral small areas of silent ischemic change on seven postoperative MRI studies (9.0%). In 95% of CEAs, MS were detected. Only those MS observed in the recovery room that occurred at a rate of more than five per 15 minutes were associated with postoperative MRI ischemic changes (
p < 0.0001).
Conclusions: Ischemic changes on MRI after CEA are related to postoperative MS. (J Vasc Surg 1998;27:1024-31.)</description><subject>Brain Ischemia - classification</subject><subject>Brain Ischemia - diagnosis</subject><subject>Brain Ischemia - etiology</subject><subject>Carotid Artery, Internal - surgery</subject><subject>Electroencephalography</subject><subject>Endarterectomy, Carotid - adverse effects</subject><subject>Endarterectomy, Carotid - statistics & numerical data</subject><subject>Humans</subject><subject>Intracranial Embolism and Thrombosis - classification</subject><subject>Intracranial Embolism and Thrombosis - diagnosis</subject><subject>Intracranial Embolism and Thrombosis - etiology</subject><subject>Magnetic Resonance Imaging</subject><subject>Postoperative Complications - diagnosis</subject><subject>Postoperative Complications - etiology</subject><subject>Retrospective Studies</subject><subject>Ultrasonography, Doppler, Transcranial</subject><issn>0741-5214</issn><issn>1097-6809</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkFtLAzEQhYMotVZ_QiFPog-ryW6y2TyJFG9QELw8h9lk1kb2UpOt0n_v9oKvPg3MnDln5iNkytkVZzy_fmVK8ESmXFzo4lIxxmSiD8iYM62SvGD6kIz_JMfkJMZPxjiXhRqRkc5lKnIxJi8zDFgGqGnjbeiwKbvax4ZC66iPdoFDm9oFtB8YKcTYWQ89Ovrj-wW1ELreO4qtg9APRrbvmvUpOaqgjni2rxPyfn_3NntM5s8PT7PbeWIFU32SVbbIeJ6XICwASlQuw9JZqStksrIOM8FEKUHpUjGRQcpTyDPBK6c4SJdNyPnOdxm6rxXG3jTDxVjX0GK3ikZprXTK0kEod8LhwRgDVmYZfANhbTgzG5Zmy9JsQBldmC1Lo4e96T5gVTbo_rb28Ib5zW6Ow5ffHoOJ1mNr0fkNCuM6_0_CL-_ihYk</recordid><startdate>19980601</startdate><enddate>19980601</enddate><creator>Cantelmo, Nancy L.</creator><creator>Babikian, Viken L.</creator><creator>Samaraweera, Ranji N.</creator><creator>Gordon, Jonathan K.</creator><creator>Pochay, Val E.</creator><creator>Winter, Michael R.</creator><general>Mosby, Inc</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>19980601</creationdate><title>Cerebral microembolism and ischemic changes associated with carotid endarterectomy</title><author>Cantelmo, Nancy L. ; Babikian, Viken L. ; Samaraweera, Ranji N. ; Gordon, Jonathan K. ; Pochay, Val E. ; Winter, Michael R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-3fc83166ba4caae5e7d3ebdc59fe05fcde3404b5a79b7043a212a6341fd71a5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Brain Ischemia - classification</topic><topic>Brain Ischemia - diagnosis</topic><topic>Brain Ischemia - etiology</topic><topic>Carotid Artery, Internal - surgery</topic><topic>Electroencephalography</topic><topic>Endarterectomy, Carotid - adverse effects</topic><topic>Endarterectomy, Carotid - statistics & numerical data</topic><topic>Humans</topic><topic>Intracranial Embolism and Thrombosis - classification</topic><topic>Intracranial Embolism and Thrombosis - diagnosis</topic><topic>Intracranial Embolism and Thrombosis - etiology</topic><topic>Magnetic Resonance Imaging</topic><topic>Postoperative Complications - diagnosis</topic><topic>Postoperative Complications - etiology</topic><topic>Retrospective Studies</topic><topic>Ultrasonography, Doppler, Transcranial</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cantelmo, Nancy L.</creatorcontrib><creatorcontrib>Babikian, Viken L.</creatorcontrib><creatorcontrib>Samaraweera, Ranji N.</creatorcontrib><creatorcontrib>Gordon, Jonathan K.</creatorcontrib><creatorcontrib>Pochay, Val E.</creatorcontrib><creatorcontrib>Winter, Michael 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>Journal of vascular surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cantelmo, Nancy L.</au><au>Babikian, Viken L.</au><au>Samaraweera, Ranji N.</au><au>Gordon, Jonathan K.</au><au>Pochay, Val E.</au><au>Winter, Michael R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cerebral microembolism and ischemic changes associated with carotid endarterectomy</atitle><jtitle>Journal of vascular surgery</jtitle><addtitle>J Vasc Surg</addtitle><date>1998-06-01</date><risdate>1998</risdate><volume>27</volume><issue>6</issue><spage>1024</spage><epage>1031</epage><pages>1024-1031</pages><issn>0741-5214</issn><eissn>1097-6809</eissn><abstract>Purpose: The purpose of this study is to characterize microembolic signals (MS) that occur during the various phases of carotid endarterectomy (CEA) and to consider their relationship to postoperative changes on magnetic resonance imaging (MRI).
Methods: This was a retrospective study of 76 patients who underwent 78 carotid endarterectomies at a referral center. Perioperative transcranial Doppler monitoring and MRI were performed before and after CEA. The types of MS that occurred during phases of surgery were analyzed and compared with MRI changes.
Results: We observed a clinical stroke in one patient (1.3%) and ipsilateral small areas of silent ischemic change on seven postoperative MRI studies (9.0%). In 95% of CEAs, MS were detected. Only those MS observed in the recovery room that occurred at a rate of more than five per 15 minutes were associated with postoperative MRI ischemic changes (
p < 0.0001).
Conclusions: Ischemic changes on MRI after CEA are related to postoperative MS. (J Vasc Surg 1998;27:1024-31.)</abstract><cop>United States</cop><pub>Mosby, Inc</pub><pmid>9652464</pmid><doi>10.1016/S0741-5214(98)70005-9</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Brain Ischemia - classification Brain Ischemia - diagnosis Brain Ischemia - etiology Carotid Artery, Internal - surgery Electroencephalography Endarterectomy, Carotid - adverse effects Endarterectomy, Carotid - statistics & numerical data Humans Intracranial Embolism and Thrombosis - classification Intracranial Embolism and Thrombosis - diagnosis Intracranial Embolism and Thrombosis - etiology Magnetic Resonance Imaging Postoperative Complications - diagnosis Postoperative Complications - etiology Retrospective Studies Ultrasonography, Doppler, Transcranial |
| title | Cerebral microembolism and ischemic changes associated with carotid endarterectomy |
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