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Registry report on kinetics of rescue antiplatelet treatment to abolish cerebral microemboli after carotid endarterectomy
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Saedon, Mahmud H., Singer, Donald R. J., Pang, Raymand, Tiivas, C., Hutchinson, Charles E. and Imray, C. (Chris) (2013) Registry report on kinetics of rescue antiplatelet treatment to abolish cerebral microemboli after carotid endarterectomy. Stroke, Volume 44 (Number 1). pp. 230-233. doi:10.1161/STROKEAHA.112.676338 ISSN 0039-2499.
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Official URL: http://dx.doi.org/10.1161/STROKEAHA.112.676338
Abstract
Background and Purpose—Cerebral microemboli signals (MES) are associated with increased risk of acute stroke syndromes. We compared the effects on cerebral microemboli after carotid endarterectomy of tirofiban with dextran-40.
Methods—We used transcranial Doppler ultrasound to study transient MES acutely after carotid endarterectomy between August 2000 and December 2010 in 128 subjects refractory to preoperative antiplatelet treatment. Antithrombotic treatment was given for MES ≥50 hour−1 (tirofiban: 40 patients [age 74 ± 1 {SEM}, males 27, and white 38]; dextran-40: 34 patients [age 69 ± 2, males 22, white 30]). In 54 patients with MES <50 hour−1 (age 71 ± 1, male 36, white 52), MES were monitored during their spontaneous resolution (controls). Data are median (interquartile range).
Results—The time to 50% reduction in MES (tirofiban 23 minutes [15–28]; dextran-56 [43–83]; controls 30 [22–38]; P<0.001, Kruskal-Wallis analysis) and for complete MES resolution (tirofiban 68 minutes [53–94]; dextran-113 [79–146]; controls 53 [49–68]; P<0.001, Kruskal-Wallis analysis) were shorter with tirofiban. The early cardiovascular event rate was similar with tirofiban compared with controls but increased in patients who received dextran.
Conclusions—These findings suggest that transcranial Doppler-directed tirofiban therapy is more effective than dextran-40 in suppression of cerebral microemboli after carotid endarterectomy.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
| Journal or Publication Title: | Stroke | ||||
| Publisher: | Lippincott Williams & Wilkins | ||||
| ISSN: | 0039-2499 | ||||
| Official Date: | October 2013 | ||||
| Dates: |
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| Volume: | Volume 44 | ||||
| Number: | Number 1 | ||||
| Page Range: | pp. 230-233 | ||||
| DOI: | 10.1161/STROKEAHA.112.676338 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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