Evolution of surgical treatment of carotid artery stenosis: a single center observational study.

Authors:
Nathalie Moreels
Nathalie Moreels
AZ Sint-Jan Hospital AV
Belgium
Frank Vermassen
Frank Vermassen
Ghent University Hospital
Belgium
Dimitri Hemelsoet
Dimitri Hemelsoet
Ghent University Hospital
Belgium

Acta Chir Belg 2019 Apr 17:1-9. Epub 2019 Apr 17.

a Department of Thoracic and Vascular Surgery , Ghent University Hospital , Ghent , Belgium.

Background: In 2009 and 2011 respectively ESVS and AHA/ASA guidelines recommended to operate patients with a symptomatic carotid artery stenosis within 14 days. This study aimed primarily to determine if an academic hospital has implemented these international guidelines about indication and timing of surgical treatment of carotid stenosis. Second, the influence of referral from another hospital on time from symptoms to surgery and the influence of time between neurological event and surgery on 30-day complication rate was studied. Third, the number of asymptomatic carotid artery lesions treated surgically was also evaluated in both periods.

Methods: Retrospective study to compare patients with significant atherosclerotic carotid stenosis who underwent carotid endarterectomy (CEA) or carotid artery stenting (CAS) in 2005-2006 versus patients treated in 2014-2016. Demographic data, treatment characteristics, interval between symptom and surgery and 30-day outcomes were collected.

Results: In 2005-2006 38.1% (59/155) of the patients were treated for symptomatic carotid artery stenosis, in 2014-2016 this increased to 66.5% (121/182) (p < .001, 95% CI: 0.179-0.383). Median time from neurological symptom to surgery in symptomatic patients decreased from 30 to 13 d (p <.001, 95% CI: 1.476-2.763). Early surgery did not increase the 30-day postoperative complications (p = .19, 95% CI: 0.987-1.003). Referral from another hospital almost doubled the time interval between symptoms and surgery in 2014-2016 (p <.001, 95% CI: 1.386-2.827).

Conclusions: Since the publication of the international guidelines, patients with symptomatic carotid artery stenosis were preferably surgically treated within 2 weeks at an academic institution. The number of treated asymptomatic carotid stenoses was drastically reduced.

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http://dx.doi.org/10.1080/00015458.2019.1607489DOI Listing
April 2019
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