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Safety and Efficacy of Carotid Artery Stenting with the CGuard Double-layer Stent in Acute Ischemic Stroke. Clin Neuroradiol 2023; 33:237-244. [PMID: 36070140 PMCID: PMC9449946 DOI: 10.1007/s00062-022-01209-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/30/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Double-layer stents show promising results in preventing periinterventional and postinterventional embolic events in elective settings of carotid artery stenting (CAS). We report a single-center experience with the CGuard stent in the treatment of acute ischemic stroke (AIS) due to symptomatic internal carotid artery (ICA) stenosis or occlusion with or without intracranial occlusion. METHODS We retrospectively analyzed all patients who received a CGuard stent in the setting of AIS at our institution. Neuroimaging and clinical data were analyzed with the following primary endpoints: technical feasibility, acute and delayed stent occlusion or thrombosis, distal embolism, symptomatic intracranial hemorrhage (sICH) and functional outcome at 3 months. RESULTS In 33 patients, stenting with the CGuard was performed. Stent deployment was successful in all patients (28 with tandem occlusions, 5 with isolated ICA occlusion). Transient acute in-stent thrombus formation occurred in three patients (9%) without early stent occlusion. Delayed, asymptomatic stent occlusion was seen in 1 patient (3%) after 49 days. Asymptomatic periinterventional distal emboli occurred in 2 patients (6%), 1 patient experienced a transient ischemic attack 79 days after the procedure and 1 patient (3%) developed sICH. Favorable clinical outcome (mRS 0-2) at 3 months was achieved in 12 patients (36%) and the mortality rate was 24%. CONCLUSION The CGuard use in emergencies was technically feasible, the safety has to be confirmed by further multicentric studies.
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Foo M, Ren Y, Gajera J, Barras CD, Kok HK, Jhamb A, Abbouchie H, Maingard J, Brooks DM, Asadi H. CaRotid Artery Filtering Technique (CRAFT): A Technique for Carotid Artery Stenting with Intrinsic Embolic Protection. Neurointervention 2021; 16:260-266. [PMID: 34689457 PMCID: PMC8561041 DOI: 10.5469/neuroint.2021.00353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/06/2021] [Indexed: 11/24/2022] Open
Abstract
Purpose Carotid artery stenting (CAS) is an established treatment for symptomatic carotid artery stenosis as an alternative to carotid endarterectomy. A variety of techniques and devices have been devised to minimise periprocedural stroke risk using either proximal or distal embolic protection. This study presents a method of embolic protection during CAS–the CaRotid Artery Filtering Technique (CRAFT). Materials and Methods The CRAFT technique employs aspects of both proximal and distal embolic protection. The CASPER RX stent (MicroVention, Tustin, CA, USA), which is a double-layered, closed-cell, micromesh nitinol stent, is deployed across the carotid artery stenosis with the assistance of a FlowGate balloon guide catheter (Stryker Neurovascular, Fremont, CA, USA). The partially deployed stent acts as a distal filter while the balloon guide is deflated midway during stent deployment to prevent distal plaque embolisation, followed by completion of stent deployment and angioplasty. Results A total of 94 patients underwent CAS using the CRAFT technique between June 2016 and March 2021. Successful stent deployment was achieved in all patients. Preliminary results demonstrated acute stent occlusion in 6 patients (6.4%) and distal embolic stroke in 5 patients (5.3%). The median procedural fluoroscopy time was 34 minutes with an interquartile range of 22 to 55 minutes. Conclusion The CRAFT technique of CAS presented by this study can be applied in the treatment of symptomatic carotid artery stenosis in both emergency and elective procedure settings with a high technical success and low distal embolic stroke risk.
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Affiliation(s)
- Michelle Foo
- Department of Radiology, Austin Hospital, Melbourne, Vic, Australia
| | - Yifan Ren
- Department of Radiology, Austin Hospital, Melbourne, Vic, Australia
| | - Jay Gajera
- Department of Radiology, Alfred Health, Melbourne, Vic, Australia
| | - Christen D Barras
- South Australian Health and Medical Research Institute, University of Adelaide, Adelaide, SA, Australia.,Department of Radiology, Royal Adelaide Hospital, Adelaide, SA, Australia
| | - Hong Kuan Kok
- Interventional Radiology Service, Department of Radiology, Northern Health, Melbourne, Vic, Australia.,School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Vic, Australia
| | - Ashu Jhamb
- Interventional Radiology Service, Department of Radiology, St Vincent's Hospital, Melbourne, Vic, Australia
| | | | - Julian Maingard
- School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Vic, Australia.,Interventional Neuroradiology Service, Department of Radiology, Monash Health, Melbourne, Vic, Australia
| | - Duncan Mark Brooks
- Department of Radiology, Austin Hospital, Melbourne, Vic, Australia.,Stroke Theme, The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, Vic, Australia
| | - Hamed Asadi
- Department of Radiology, Austin Hospital, Melbourne, Vic, Australia.,School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Vic, Australia.,Interventional Radiology Service, Department of Radiology, St Vincent's Hospital, Melbourne, Vic, Australia.,Interventional Neuroradiology Service, Department of Radiology, Monash Health, Melbourne, Vic, Australia.,Stroke Theme, The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, Vic, Australia
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Sirignano P, Stabile E, Mansour W, Capoccia L, Faccenna F, Intrieri F, Ferri M, Saccà S, Sponza M, Mortola P, Ronchey S, Praquin B, Grillo P, Chiappa R, Losa S, Setacci F, Pirrelli S, Taurino M, Ruffino MA, Udini M, Palombo D, Ippoliti A, Montelione N, Setacci C, de Donato G, Ruggeri M, Speziale F. 1-Year Results From a Prospective Experience on CAS Using the CGuard Stent System: The IRONGUARD 2 Study. JACC Cardiovasc Interv 2021; 14:1917-1923. [PMID: 34391704 DOI: 10.1016/j.jcin.2021.05.045] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/10/2021] [Accepted: 05/18/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The aim of this study was to evaluate the 1-year safety and efficacy of a dual-layered stent (DLS) for carotid artery stenting (CAS) in a multicenter registry. BACKGROUND DLS have been proved to be safe and efficient during short-term follow-up. Recent data have raised the concern that the benefit of CAS performed with using a DLS may be hampered by a higher restenosis rate at 1 year. METHODS From January 2017 to June 2019, a physician-initiated, prospective, multispecialty registry enrolled 733 consecutive patients undergoing CAS using the CGuard embolic prevention system at 20 centers. The primary endpoint was the occurrence of death and stroke at 1 year. Secondary endpoints were 1-year rates of transient ischemic attack, acute myocardial infarction, internal carotid artery (ICA) restenosis, in-stent thrombosis, and external carotid artery occlusion. RESULTS At 1 year, follow-up was available in 726 patients (99.04%). Beyond 30 days postprocedure, 1 minor stroke (0.13%), four transient ischemic attacks (0.55%), 2 fatal acute myocardial infarctions (0.27%), and 6 noncardiac deaths (1.10%) occurred. On duplex ultrasound examination, ICA restenosis was found in 6 patients (0.82%): 2 total occlusions and 4 in-stent restenoses. No predictors of target ICA restenosis and/or occlusion could be detected, and dual-antiplatelet therapy duration (90 days vs 30 days) was not found to be related to major adverse cardiovascular event or restenosis occurrence. CONCLUSIONS This real-world registry suggests that DLS use in clinical practice is safe and associated with minimal occurrence of adverse neurologic events up to 12-month follow-up.
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Affiliation(s)
- Pasqualino Sirignano
- Vascular and Endovascular Surgery Unit, Department of Surgery, "Sapienza" University of Rome, Rome, Italy.
| | - Eugenio Stabile
- Division of Cardiology, Department of Advanced Biomedical Sciences, University Federico II, Naples, Italy
| | - Wassim Mansour
- Vascular and Endovascular Surgery Unit, Department of Surgery, "Sapienza" University of Rome, Rome, Italy
| | - Laura Capoccia
- Vascular and Endovascular Surgery Unit, Department of Surgery, "Sapienza" University of Rome, Rome, Italy
| | - Federico Faccenna
- Vascular and Endovascular Surgery Unit, Department of Surgery, "Sapienza" University of Rome, Rome, Italy
| | - Francesco Intrieri
- Unit of Vascular and Endovascular Surgery, Annunziata Hospital, Cosenza, Italy
| | - Michelangelo Ferri
- Vascular and Endovascular Surgery Unit, Mauriziano Umberto I Hospital, Turin, Italy
| | - Salvatore Saccà
- Division of Cardiology, Mirano Public Hospital, Mirano, Italy
| | - Massimo Sponza
- Division of Vascular and Interventional Radiology, Udine University Hospital, Udine, Italy
| | - Paolo Mortola
- Department of Vascular and Endovascular Surgery, Galliera Hospital, Genoa, Italy
| | - Sonia Ronchey
- Unit of Vascular Surgery, Surgical Specialty Department, S. Filippo Neri Hospital, Rome, Italy
| | - Barbara Praquin
- Unit of Vascular Surgery, Surgical Specialty Department, S. Filippo Neri Hospital, Rome, Italy
| | - Placido Grillo
- Division of Cardiology, Sant. Anna Hospital, Catanzaro, Italy
| | - Roberto Chiappa
- Department of Vascular and Endovascular Surgery, Sandro Pertini Hospital, Rome, Italy
| | - Sergio Losa
- Cardiovascular Department, MultiMedica IRCCS Scientific Institute, Milan, Italy
| | - Francesco Setacci
- Cardiovascular Department, MultiMedica IRCCS Scientific Institute, Milan, Italy
| | - Stefano Pirrelli
- Division of Vascular Surgery, Carlo Poma Hospital, Mantova, Italy
| | - Maurizio Taurino
- Unit of Vascular Surgery, Department of Clinical and Molecular Medicine, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - Maria Antonella Ruffino
- Department of Diagnostic Imaging and Radiotherapy - Vascular Radiology, Città della Salute e della Scienza di Torino, Turin, Italy
| | - Marco Udini
- Vascular Surgery, Moriggia Pelascini Hospital, Gravedona, Como, Italy
| | - Domenico Palombo
- Vascular and Endovascular Surgery Unit, IRCCS Ospedale Policlinico San Martino, University of Genoa, Genoa, Italy
| | - Arnaldo Ippoliti
- Vascular Surgery Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Nunzio Montelione
- Vascular Surgery, University of Campus Biomedico of Rome, Rome, Italy
| | - Carlo Setacci
- Department of Medicine, Surgery and Neuroscience, Vascular and Endovascular Surgery, University of Siena, Siena, Italy
| | - Gianmarco de Donato
- Department of Medicine, Surgery and Neuroscience, Vascular and Endovascular Surgery, University of Siena, Siena, Italy
| | - Massimo Ruggeri
- Vascular Surgery, San Camillo de Lellis Hopital, Rieti, Italy
| | - Francesco Speziale
- Vascular and Endovascular Surgery Unit, Department of Surgery, "Sapienza" University of Rome, Rome, Italy
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Logvinenko RL, Kokov LS, Arablinskiĭ AV. [Treatment of acute tandem occlusion of arteries of anterior cerebral circulation without emergency stenting]. ANGIOLOGII︠A︡ I SOSUDISTAI︠A︡ KHIRURGII︠A︡ = ANGIOLOGY AND VASCULAR SURGERY 2021; 27:53-64. [PMID: 33825729 DOI: 10.33529/angio2021105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The article deals with problems of endovascular treatment of acute tandem and isolated occlusions of arteries of the anterior cerebral circulation, as well as the problem of reocclusions and new occlusions of these target arteries in the early postoperative period after thrombectomy. PURPOSE To determine the effect of reocclusions and new, previously not identified occlusions of the carotid artery and middle cerebral artery after cerebral thrombectomy on the outcomes of ischaemic stroke, as well as to substantiate feasibility of endovascular policy without simultaneous carotid stenting in thrombectomy in case of tandem occlusions of arteries of the anterior cerebral circulation. PATIENTS AND METHODS We studied the results of endovascular treatment of 52 patients with acute ischaemic stroke, including 26 patients with combined occlusions of the internal carotid and middle cerebral arteries (group 1) and 26 patients with isolated occlusion of the M1 segment of the middle cerebral artery or its equivalent (group 2). The groups were compared using the Chi-squared and Mann-Whitney test, and the effect of the factors was assessed by calculating the relative risk. RESULTS Disability of patients in group 1 was significantly two-fold higher as compared with group 2. Differences in mortality and frequency of a good functional outcome (0-2 points on the Rankin scale) were, on the contrary, insignificant. Reocclusion of the internal carotid artery demonstrated no significant influence on outcomes of the disease in combined type of the lesion. Reocclusion of the target vessel after thrombectomy significantly decreased the probability of a good functional outcome in patients 1.7-fold (p<0.05), as well as increased the relative risk of disability 4-fold in initially isolated occlusion of the middle cerebral artery (p<0.05). CONCLUSION Surgical policy aimed at thrombectomy from the middle cerebral artery in the presence of tandem occlusions of the internal carotid artery and middle cerebral artery without emergency carotid stenting is safe and efficient in acute period of ischaemic stroke. Reocclusion of the middle cerebral artery after performed thrombectomy related to its isolated occlusion increased the probability of patients' disability. Newly identified in the postoperative period occlusion of the internal carotid artery in thrombectomy from the middle cerebral artery also increased the risk of disability.
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Affiliation(s)
- R L Logvinenko
- Department of Roentgenosurgical Methods of Diagnosis and Treatment, Municipal Clinical Hospital named after V.V. Veresaev of the Moscow Healthcare Department, Moscow, Russia; Department of Radiodiagnosis, I.M. Sechenov First Moscow State Medical University of the RF Ministry of Public Health, Moscow, Russia
| | - L S Kokov
- Department of Radiodiagnosis, I.M. Sechenov First Moscow State Medical University of the RF Ministry of Public Health, Moscow, Russia; Department of Radiodiagnosis, Scientific Research Institute of Emergency Medicine named after N.V. Sklifosovsky of the Moscow Healthcare Department, Moscow, Russia
| | - A V Arablinskiĭ
- Department of Roentgenovascular Methods of Diagnosis and Treatment, Municipal Clinical Hospital named after S.P. Botkin of the Moscow Healthcare Department, Moscow, Russia; Chair of Therapy and Adolescent Medicine, Russian Medical Academy of Continuous Professional Education of the RF Ministry of Public Health, Moscow, Russia
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Carvalho P, Coelho A, Mansilha A. Effectiveness and safety of dual-layer stents in carotid artery disease: a systematic review. INT ANGIOL 2020; 40:97-104. [PMID: 33337115 DOI: 10.23736/s0392-9590.20.04553-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Carotid artery stenting (CAS) has emerged as a minimally invasive alternative to carotid endarterectomy (CEA) in atherosclerotic carotid artery disease, even though the risk for procedural stroke after CAS remains significantly higher. Recently, in order to reduce embolic cerebral events after CAS, a new generation of dual-layer stents (DLS) has been developed. This review aimed to perform a detailed analysis of the available evidence on safety and efficacy of DLS in both symptomatic and asymptomatic atherosclerotic carotid artery stenosis. EVIDENCE ACQUISITION A systematic review was conducted according to the recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. The primary endpoint was the 30-day rate of myocardial infarction (MI), stroke and death. Secondary outcomes included rate and timing of stent occlusion/restenosis. EVIDENCE SYNTHESIS A total of 20 articles with 1193 patients were included. Thirty-day MI ranged from 0-5%, 30-day stroke ranged from 0-10.5% and 30-day mortality ranged from 0-10%. Stent occlusion rate ranged from 0-52.4%, the majority of which occurred intraprocedurally (N.=50; 61.7%), in emergency treated patients. The incidence of new ipsilateral cerebral ischemic lesions after CAS with DLS was reported in five studies, ranging from 5.5-37%. CONCLUSIONS Despite the theoretic advantage of reducing the risk for procedural embolic events when compared to conventional stents, high quality evidence is scarce. Also, safety issues regarding DLS in the emergency setting have been raised, particularly for thrombotic complications. Additional data from well-designed Randomized Controlled Trials are needed to assert the true value of DLS.
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Affiliation(s)
| | - Andreia Coelho
- Faculty of Medicine, University of Porto, Porto, Portugal.,Department of Angiology and Vascular Surgery, Hospital Center of Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Armando Mansilha
- Faculty of Medicine, University of Porto, Porto, Portugal.,Department of Angiology and Vascular Surgery, University Hospital Center of São João, Porto, Portugal
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7
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Ozpeynirci Y, Capatana C, Rosskopf J, Schmitz BL, Hamann GF, Braun M. Emergency carotid artery revascularization using Casper-RX stent: A single-center experience. Interv Neuroradiol 2020; 26:433-438. [PMID: 32046548 DOI: 10.1177/1591019919900879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Casper-RX (MicroVention, Aliso Viejo, California, USA) is a dual-layer closed cell stent recently introduced as a carotid artery revascularization device. Although its effectiveness and safety has been proved in elective cases, there are contradictive results regarding its patency in emergency settings. The purpose of the study is to present our single-center experience with the Casper-RX stent in the emergency interventions. PATIENTS AND METHODS Consecutive patients who underwent emergency carotid artery stenting using Casper-RX system with or without additional intracranial thrombectomy between August 2016 and June 2019 at our institution were included. Primary end point was the short-term patency of the carotid stents evaluated before hospital discharge by use of Doppler ultrasonography. RESULTS Twenty-nine procedures performed on 28 patients were included in the study. All stents were patent on final angiograms. Acute stent occlusion was observed only in one case (3.4%) with a spontaneous cervical internal carotid artery dissection the day after the procedure. In 26 (89.6%) cases, an additional intracranial thrombectomy was performed with a successful recanalization rate of 96.1%. Seven adverse events occurred peri-/post-procedural: two cases (6.9%) with iatrogenic dissection of distal cervical internal carotid artery during intracranial thrombectomy, two parenchymal hematoma type 2 (6.8%), and three patients (10.3%) developed massive infarction. CONCLUSION This study supports the safety and efficacy of the Casper-RX stent in emergency endovascular carotid artery revascularization procedures.
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Affiliation(s)
- Yigit Ozpeynirci
- Department of Neuroradiology, Ludwig Maximilian University, Munich, Germany
| | - Cristian Capatana
- Department of Neuroradiology, Bezirkskrankenhaus Gunzburg, Gunzburg, Germany
| | | | - Bernd L Schmitz
- Department of Neuroradiology, Bezirkskrankenhaus Gunzburg, Gunzburg, Germany.,Department of Neuroradiology, Ulm University, Ulm, Germany
| | - Gerhard F Hamann
- Clinic for Neurology and Neurologic Rehabilitation, Bezirkskrankenhaus Gunzburg, Gunzburg, Germany
| | - Michael Braun
- Department of Neuroradiology, Bezirkskrankenhaus Gunzburg, Gunzburg, Germany
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de Vries EE, Vonken EJ, de Borst GJ. Response by de Vries et al to Letter Regarding Article, "Short-Term Double Layer Mesh Stent Patency for Emergent or Elective Carotid Artery Stenting: A Single Center Experience". Stroke 2019; 50:e435. [PMID: 31679503 DOI: 10.1161/strokeaha.119.027656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Evelien E de Vries
- Department of Vascular Surgery, University Medical Center Utrecht, the Netherlands
| | - Evert J Vonken
- Department of Radiology, University Medical Center Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, the Netherlands
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