Eugenio Stabile1, Gianmarco de Donato2, Piotr Musialek3, Koen Deloose4, Roberto Nerla5, Pasqualino Sirignano6, Adam Mazurek3, Wassim Mansour6, Vincenzo Fioretti7, Fabrizio Esposito7, Salvatore Chianese7, Marc Bosiers4, Carlo Setacci2, Francesco Speziale6, Antonio Micari5, Giovanni Esposito7. 1. Division of Cardiology, Department of Advanced Biomedical Sciences, University of Naples "Federico II", Naples, Italy. Electronic address: geko50@hotmail.com. 2. Division of Vascular surgery, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy. 3. Department of Cardiac and Vascular Diseases, Jagiellonian University, John Paul II Hospital, Krakow, Poland. 4. Department of Vascular Surgery, A.Z. Sint-Blasius, Dendermonde, Belgium. 5. Interventional Cardiology Unit, Maria Cecilia Hospital, Cotignola, Italy. 6. Vascular and Endovascular Surgery Division, Department of Surgery "Paride Stefanini", Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy. 7. Division of Cardiology, Department of Advanced Biomedical Sciences, University of Naples "Federico II", Naples, Italy.
Abstract
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.
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.
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