Abstract
Background: The aim of this study is to evaluate perioperative as well as long-term outcomes in patients operated with carotid endarterectomy (CEA) or stenting (CAS) due to symptomatic or asymptomatic high-grade restenosis of the internal carotid artery (ICA). Patients and methods: In a retrospective analysis of our electronic database including 2980 patients who underwent carotid endarterectomy or stenting due to a symptomatic or asymptomatic high-grade stenosis of the ICA, between 2000 and 2016, we enrolled 111 patients with recurrent ICA stenosis. Results: An ipsilateral 2nd time restenosis (>80% in the asymptomatic and >50% in the symptomatic patients according to NASCET criteria) of ICA was detected in 13 patients (12%); 3 of them were symptomatic. These patients were managed with either CEA (n=5/38%) or CAS (n=8/62%) with no perioperative stroke or death. The stroke-free survival rates at 2 and 8years for CEA were 98% and 98% versus 100% and 100% for CAS respectively (P=.271). The type of the initial procedure (patch, CAS or interposition) did not play any significant role for the development of a 2nd time restenosis (P=.841). Conclusions: Redo-CEA/CAS seem to have similar results as primary procedures (as reported in the literature) with favorable periprocedural and long-term outcomes.
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