P Cao1, P De Rango, S Zannetti. 1. Unità Operativa di Chirurgia Vascolare, Policlinico Monteluce, Perugia, Italy.
Abstract
OBJECTIVE: to determine whether eversion carotid endarterectomy (CEA) was safe and more effective than conventional CEA. METHODS: controlled trials comparing eversion vs conventional technique for CEA were identified from the Cochrane Stroke Review Group database plus additional hand searching. Researchers were contacted to identify additional published and unpublished studies. Randomised and pseudorandomised trials comparing eversion to conventional techniques in patients undergoing CEA were examined. Outcomes included stroke and death, carotid restenosis/occlusion, and local complications. RESULTS: five trials were included comprising 2465 patients and 2590 arteries. There were no significant differences in the rate of perioperative stroke or death (1.7% vs 2.6%, odds ratio [OR] 0.44, 95% confidence interval [CI] 0.10-1.82) and stroke during follow-up (1.4% vs 1.7%; OR: 0.84; 95% CI: 0.43-1.64) between eversion and conventional CEA techniques. Eversion CEA was associated with a significantly lower rate of restenosis >50% during follow-up (2.5% vs 5.2%, OR: 0.48, 95% CI: 0.32-0.72). There were no statistically significant differences in local complications between the eversion and conventional group. When eversion procedures were compared with patch procedures only, non-significant differences were found in primary outcomes. CONCLUSIONS: eversion CEA may be associated with low risk of arterial occlusion and restenosis. However, numbers are too small to definitively assess the benefits and disadvantages of eversion CEA. Reduced restenosis rates did not appear to be associated with clinical benefit in terms of reduced stroke risk, either perioperatively or later. Until further evidence is available, the choice of the CEA technique should be based on the experience and familiarity of the individual surgeon. Copyright 2002 Harcourt Publishers Limited.
OBJECTIVE: to determine whether eversion carotid endarterectomy (CEA) was safe and more effective than conventional CEA. METHODS: controlled trials comparing eversion vs conventional technique for CEA were identified from the Cochrane Stroke Review Group database plus additional hand searching. Researchers were contacted to identify additional published and unpublished studies. Randomised and pseudorandomised trials comparing eversion to conventional techniques in patients undergoing CEA were examined. Outcomes included stroke and death, carotid restenosis/occlusion, and local complications. RESULTS: five trials were included comprising 2465 patients and 2590 arteries. There were no significant differences in the rate of perioperative stroke or death (1.7% vs 2.6%, odds ratio [OR] 0.44, 95% confidence interval [CI] 0.10-1.82) and stroke during follow-up (1.4% vs 1.7%; OR: 0.84; 95% CI: 0.43-1.64) between eversion and conventional CEA techniques. Eversion CEA was associated with a significantly lower rate of restenosis >50% during follow-up (2.5% vs 5.2%, OR: 0.48, 95% CI: 0.32-0.72). There were no statistically significant differences in local complications between the eversion and conventional group. When eversion procedures were compared with patch procedures only, non-significant differences were found in primary outcomes. CONCLUSIONS: eversion CEA may be associated with low risk of arterial occlusion and restenosis. However, numbers are too small to definitively assess the benefits and disadvantages of eversion CEA. Reduced restenosis rates did not appear to be associated with clinical benefit in terms of reduced stroke risk, either perioperatively or later. Until further evidence is available, the choice of the CEA technique should be based on the experience and familiarity of the individual surgeon. Copyright 2002 Harcourt Publishers Limited.
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