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A Journal on Cardiac, Vascular and Thoracic Surgery

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The Journal of Cardiovascular Surgery 2009 October;50(5):655-63

language: English

Early restenosis after eversion carotid endarterectomy versus carotid stenting: a single-centre retrospective study

Hirschberg K., Dósa E., Hüttl K., Selmeci L., Nemes B., Szabó A. Merkely B., Acsády G., Entz L.

1 Department of Cardiovascular Surgery, Faculty of Medicine, Semmelweis University Budapest, Hungary
2 Heart Centre, Faculty of Medicine, Semmelweis University Budapest, Hungary


Aim. The aim of our study was to compare the early restenosis rate between patients undergoing carotid artery stenting (CAS) and carotid endarterectomy (CEA) at a single cardiovascular institution.
Methods. In 2004, 368 carotid endarterectomies were carried out on 347 patients and 144 internal carotid artery stentings were performed on 140 patients. The mean follow-up time was 18.4 months (range 6-38 months). Restenosis rates were calculated with the Kaplan-Meyer method and the two groups were compared by using log-rank test. Perioperative outcome was also evaluated and the groups were compared with chi-square test.
Results. Significantly more perioperative complications occurred in the CAS group, mainly transient neurological (7.60% vs 2.20% in the CEA group, P<0.05) and cardiovascular symptoms (4.10% vs 1.10% in the CEA group, P<0.05). Moderate restenosis (50-69%) occurred in 11.41% (42/368) of CEA cases and in 4.86% (7/144) of CAS cases (P<0.05). Severe (≥70%) restenosis rates were 10.05 % in the CEA group and 3.47% in the CAS group (P<0.05).
Conclusion. Incidence of restenosis after carotid artery stening was less common than after carotid endarterectomy. On the other hand, perioperative complications were recorded more often after CAS than following CEA.

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