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Eur J Vasc Endovasc Surg. 2013 Jul;46(1):10-20. doi: 10.1016/j.ejvs.2013.03.021. Epub 2013 Apr 29.

Contralateral carotid occlusion in endovascular and surgical carotid revascularization: a single centre experience with literature review and meta-analysis.

Author information

1
Vascular Surgery, University of Bologna, Bologna, Italy.

Abstract

OBJECTIVE/BACKGROUND:

The influence of contralateral carotid occlusion (CCO) on the outcome of carotid endarterectomy (CEA) and stenting (CAS) is debated. This study aims to evaluate CEA and CAS results in patients with CCO.

METHODS:

All carotid revascularizations from 2005 to 2011 were analyzed, focusing on the role of CCO on 30-day cerebral events and death (CED). A meta-analysis was performed to evaluate the results of the literature by random effect.

RESULTS:

Of the 1,218 carotid revascularizations performed in our institution, 706 (57.9%) were CEA and 512 (42.1%) were CAS. CED occurred in 3.6% of the CEAs and 8.2% of the CASs (p = .001). CCO was present in 37 (5.2%) CEAs and 38 (7.4%) CASs. In CEA, CCO patients had a higher CED compared with the non-CCO patients (16.2% vs. 2.9%, p = .001), as confirmed by multiple regression analysis (OR [odds ratio]: 5.1[1.7-14.5]). In CAS, CED was not significantly different in the CCO and non-CCO patients (2.6% vs. 8.7%, p = 0.23). The comparative analysis of the CCO patients showed a higher CED in CEA compared with that in CAS (16.2% vs. 2.6%, p = 0.04). Meta-analysis of 33 papers (27 on CEA and 6 on CAS) revealed that CCO was associated with a higher CED in CEA, but not in CAS (OR: 1.82 [1.57-2.11]; OR: 1.22 [0.60-2.49], respectively).

CONCLUSION:

CCO can be considered as a risk factor for CED in CEA, but not in CAS. CAS appears to be associated with lower CED than CEA in CCO patients.

PMID:
23639235
DOI:
10.1016/j.ejvs.2013.03.021
[Indexed for MEDLINE]
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