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Objectives: This study sought to evaluate 1-year safety and efficacy of dual-layered mesh-covered carotid stent systems (DLS) for carotid artery stenting (CAS). Background: Small clinical studies evaluating 1-year outcomes of CAS performed with 2 available DLS, Roadsaver (RS) (Terumo Corp., Tokyo, Japan) and CGuard (CG) (InspireMD, Boston, Massachusetts), have been published. Methods: The authors performed an individual patient–level meta-analysis including studies enrolling more than 100 CAS with DLS. The primary endpoint was the death and stroke rate; secondary endpoints were restenosis and in-stent thrombosis rates at 1 year. Results: Patients were divided into 2 groups according to DLS (RS n = 250; CG n = 306). At 1 year, 11 patients died (1.97%), 7 patients in the group RS (2.8%) and 4 patients in the CG one (1.31%); and 10 strokes occurred, 4 in the group RS (1.6%) and 6 in the CG one (1.96%). Overall death and stroke rate was 3.77% (n = 21), 11 events in the group RS group (4.4%) and 10 in the CG group (3.27%). Symptomatic status was the only predictor of death and or stroke. At 1 year, restenosis occurred in 12 patients (2.1%), 10 in the group RS (4%) and 2 in the CG one (0.65%) (p = 0.007). In-stent thrombosis occurred in 1 patient (0.18%) in the CG group (0.32%). RS use was the only independent predictor of restenosis. Conclusions: This study suggests that DLS use for CAS is associated with a low 1-year death and stroke rate, and the specific DLS stent used could affect the restenosis rate.

Use of dual-layered stents for carotid artery angioplasty. 1-Year results of a patient-based meta-analysis / Stabile, Eugenio; de Donato, Gianmarco; Musialek, Piotr; Deloose, Koen; Nerla, Roberto; Sirignano, Pasqualino; Mazurek, Adam; Mansour, Wassim Ahmad; Fioretti, Vincenzo; Esposito, Fabrizio; Chianese, Salvatore; Bosiers, Marc; Setacci, Carlo; Speziale, Francesco; Micari, Antonio; Esposito, Giovanni. - In: JACC: CARDIOVASCULAR INTERVENTIONS. - ISSN 1936-8798. - 13:14(2020), pp. 1709-1715. [10.1016/j.jcin.2020.03.048]

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