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  • Title: Long-Term Outcomes of Carotid Endarterectomy and Carotid Artery Stenting for Carotid Artery Stenosis: Real-World Status in Japan.
    Author: Imahori T, Hosoda K, Fujita A, Yamamoto Y, Mizowaki T, Miyake S, Kimura H, Kohta M, Kohmura E.
    Journal: J Stroke Cerebrovasc Dis; 2016 Feb; 25(2):360-7. PubMed ID: 26564376.
    Abstract:
    BACKGROUND AND PURPOSE: We investigated long-term outcomes of carotid endarterectomy (CEA) and carotid artery stenting (CAS) in our institute to evaluate the outcomes of real-world practice in Japan. METHODS: Between August 2006 and July 2013, 203 consecutive carotid revascularizations with either CEA or CAS were performed in our institute. The initial treatment was regarded as the starting point in the cases of the patients who received treatment by bilateral carotid artery stenosis or retreatment. We assessed the long-term outcomes with survival analyses. RESULTS: A total of 182 patients (CEA 111, CAS 71), including 86 symptomatic patients, were included in the current study with a mean follow-up period of 42.9 months. The periprocedural stroke/death/myocardial infarction (MI) rate was 3.6% for CEA and 5.6% for CAS groups (P = .71). Estimates of the 4-year event-free rate from the primary end point (the composite of any stroke, death, or MI within 30 days, and any ipsilateral stroke thereafter) using competing risk analysis were 3.6% for CEA and 7.1% for CAS (P = .156). Kaplan-Meier estimates of the 4-year event-free rate from the secondary end point (the composite of any stroke, death, or MI within 30 days, and any stroke or death thereafter) were 13.8% for CEA and 19.1% for CAS (P = .072). Age was the only significant predictor for the primary end point. Both age and CAS were significant predictors for the secondary end point. CONCLUSIONS: The current study on real-world practices demonstrated perioperative and long-term outcomes that were comparable to previous major studies of large numbers of patients.
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