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Ristow AVB, Massière B, Meirelles GV, Casella IB, Morales MM, Moreira RCR, Procópio RJ, Oliveira TF, de Araujo WJB, Joviliano EE, de Oliveira JCP. Brazilian Angiology and Vascular Surgery Society Guidelines for the treatment of extracranial cerebrovascular disease. J Vasc Bras 2024; 23:e20230094. [PMID: 39099701 PMCID: PMC11296686 DOI: 10.1590/1677-5449.202300942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 10/16/2023] [Indexed: 08/06/2024] Open
Abstract
Extracranial cerebrovascular disease has been the subject of intense research throughout the world, and is of paramount importance for vascular surgeons. This guideline, written by the Brazilian Society of Angiology and Vascular Surgery (SBACV), supersedes the 2015 guideline. Non-atherosclerotic carotid artery diseases were not included in this document. The purpose of this guideline is to bring together the most robust evidence in this area in order to help specialists in the treatment decision-making process. The AGREE II methodology and the European Society of Cardiology system were used for recommendations and levels of evidence. The recommendations were graded from I to III, and levels of evidence were classified as A, B, or C. This guideline is divided into 11 chapters dealing with the various aspects of extracranial cerebrovascular disease: diagnosis, treatments and complications, based on up-to-date knowledge and the recommendations proposed by SBACV.
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Affiliation(s)
- Arno von Buettner Ristow
- Pontifícia Universidade Católica do Rio de Janeiro – PUC-RIO, Disciplina de Cirurgia Vascular e Endovascular, Rio de Janeiro, RJ, Brasil.
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-RJ, Rio de Janeiro, RJ, Brasil.
| | - Bernardo Massière
- Pontifícia Universidade Católica do Rio de Janeiro – PUC-RIO, Disciplina de Cirurgia Vascular e Endovascular, Rio de Janeiro, RJ, Brasil.
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-RJ, Rio de Janeiro, RJ, Brasil.
| | - Guilherme Vieira Meirelles
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SP, São Paulo, SP, Brasil.
- Universidade Estadual de Campinas – UNICAMP, Hospital das Clínicas, Disciplina de Cirurgia do Trauma, Campinas, SP, Brasil.
| | - Ivan Benaduce Casella
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SP, São Paulo, SP, Brasil.
- Universidade de São Paulo – USP, Faculdade de Medicina, São Paulo, SP, Brasil.
| | - Marcia Maria Morales
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SP, São Paulo, SP, Brasil.
- Associação Portuguesa de Beneficência de São José do Rio Preto, Serviço de Cirurgia Vascular, São José do Rio Preto, SP, Brasil.
| | - Ricardo Cesar Rocha Moreira
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-PR, Curitiba, PR, Brasil.
- Pontifícia Universidade Católica do Paraná – PUC-PR, Hospital Cajurú, Serviço de Cirurgia Vascular, Curitiba, PR, Brasil.
| | - Ricardo Jayme Procópio
- Universidade Federal de Minas Gerais – UFMG, Hospital das Clínicas, Setor de Cirurgia Endovascular, Belo Horizonte, MG, Brasil.
- Universidade Federal de Minas Gerais – UFMG, Faculdade de Medicina, Belo Horizonte, MG, Brasil.
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-MG, Belo Horizonte, MG, Brasil.
| | - Tércio Ferreira Oliveira
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SE, Aracajú, SE, Brasil.
- Universidade de São Paulo – USP, Faculdade de Medicina de Ribeirão Preto – FMRP, Ribeirão Preto, SP, Brasil.
| | - Walter Jr. Boim de Araujo
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-PR, Curitiba, PR, Brasil.
- Universidade Federal do Paraná – UFPR, Hospital das Clínicas – HC, Curitiba, PR, Brasil.
| | - Edwaldo Edner Joviliano
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SP, São Paulo, SP, Brasil.
- Universidade de São Paulo – USP, Faculdade de Medicina de Ribeirão Preto – FMRP, Ribeirão Preto, SP, Brasil.
| | - Júlio Cesar Peclat de Oliveira
- Sociedade Brasileira de Angiologia e de Cirurgia Vascular – SBACV-SP, São Paulo, SP, Brasil.
- Universidade Federal do Estado do Rio de Janeiro – UNIRIO, Departamento de Cirurgia, Rio de Janeiro, RJ, Brasil.
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Franchin M, Dorigo W, Benussi S, Speziali S, Pulli R, Bonardelli S, Bashir M, Piffaretti G. Predicting early mortality following single-stage coronary artery or valve surgery and carotid endarterectomy. J Card Surg 2022; 37:4692-4697. [PMID: 36349716 DOI: 10.1111/jocs.17138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND Surgical management of coexisting cardiac disease and extra-cranial carotid artery disease is a controversial area of debate. Thus, in this challenging scenario, risk stratification may play a key role in surgical decision making. AIM To report the results of single-stage coronary/valve surgery (CVS) and carotid endarterectomy (CEA), and to identify predictive factors associated with 30-day mortality. METHODS This was a multicenter, retrospective study of prospectively maintained data from three academic tertiary referral hospitals. For this study, only patients treated with single-stage CVS, meaning coronary artery bypass surgery or valve surgery, and CEA between March 1, 2000 and March 30, 2020, were included. Primary outcome measure of interest was 30-day mortality. Secondary outcomes were neurologic events rate, and a composite endpoint of postoperative stroke/death rate. RESULTS During the study period, there were 386 patients who underwent the following procedures: CEA with isolated coronary artery bypass graft in 243 (63%) cases, with isolated valve surgery in 40 (10.4%), and combination of coronary artery bypass grafting and valve surgery in 103 (26.7%). Postoperative neurologic event rate was 2.6% (n = 10) which includes 5 (1.3%) transient ischemic attacks and 5 (1.3%) strokes (major n = 3, minor n = 2). The 30-day mortality rate was 3.9% (n = 15). Predictors of 30-day mortality included preoperative left heart insufficiency (odds ratio [OR]: 5.44, 95% confidence interval [CI]: 1.63-18.17, p = .006), and postoperative stroke (OR: 197.11, 95% CI: 18.28-2124.93, p < .001). No predictor for postoperative stroke and for composite endpoint was identified. CONCLUSIONS Considering that postoperative stroke rate and mortality was acceptably low, single-stage approach is an effective option in such selected high-risk patients.
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Affiliation(s)
- Marco Franchin
- Department of CardioThoracic and Vascular Surgery, ASST Settelaghi Universitary Teaching Hospital, Varese, Italy
| | - Walter Dorigo
- CardioThoracic and Vascular Surgery, Vascular Surgery, Careggi University Teaching Hospital, University of Florence School of Medicine, Florence, Italy
| | - Stefano Benussi
- Vascular Surgery, Department of Sperimental and Clinical Sciences, University of Brescia School of Medicine, Spedali Civili Hospital, Varese, Italy.,Cardiac Surgery, Department of Sperimental and Clinical Sciences, University of Brescia School of Medicine, Spedali Civili Hospital, Varese, Italy
| | - Sara Speziali
- CardioThoracic and Vascular Surgery, Vascular Surgery, Careggi University Teaching Hospital, University of Florence School of Medicine, Florence, Italy
| | - Raffaele Pulli
- CardioThoracic and Vascular Surgery, Vascular Surgery, Careggi University Teaching Hospital, University of Florence School of Medicine, Florence, Italy
| | - Stefano Bonardelli
- Vascular Surgery, Department of Sperimental and Clinical Sciences, University of Brescia School of Medicine, Spedali Civili Hospital, Varese, Italy
| | - Mohamad Bashir
- Vascular & Endovascular Surgery-Health Education & Improvement Wales, Velindre University NHS Trust, Wales, UK
| | - Gabriele Piffaretti
- Vascular Surgery, Department of Medicine and Surgery, University of Insubria School of Medicine, Varese, Italy
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Meta-Analysis of Perioperative Stroke and Mortality in CABG Patients With Carotid Stenosis. Neurologist 2020; 25:113-116. [DOI: 10.1097/nrl.0000000000000277] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Carotid Stenting Prior to Coronary Bypass Surgery: An Updated Systematic Review and Meta-Analysis. Eur J Vasc Endovasc Surg 2017; 53:309-319. [DOI: 10.1016/j.ejvs.2016.12.019] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 12/08/2016] [Indexed: 12/30/2022]
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Ashrafi M, Ball S, Ali A, Zeynali I, Perricone V. Carotid endarterectomy for critical stenosis prior to cardiac surgery: Should it be done? A retrospective cohort study. Int J Surg 2016; 26:53-7. [PMID: 26790974 DOI: 10.1016/j.ijsu.2015.12.067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 12/01/2015] [Accepted: 12/18/2015] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Stroke remains a major cause of morbidity and mortality after cardiac surgery affecting 2% of patients. Extra-cranial carotid artery disease has been implicated in the aetiology of post cardiac surgery stroke. The aim of the study was to evaluate and compare the morbidity and mortality in patients undergoing cardiac surgery with or without staged carotid endarterectomy (CEA) in a tertiary referral centre. METHODS A 5 year retrospective study was performed. The primary endpoints were defined as peri-operative stroke and myocardial infarction (MI) with secondary outcome defined as death within 30 days of surgery. RESULTS In total 5924 cardiac procedures and 29 staged CEA's were performed. The rate of stroke and MI was significantly higher in patients undergoing staged CEA pre-cardiac surgery compared to patients undergoing cardiac surgery with confirmed or presumed normal carotid arteries (10.34% vs 1.43%; P = .008 and 13.79% vs 0.38%; P < .0001, respectively). There was no significant difference in the stroke and MI rate in those patients undergoing cardiac surgery with confirmed or presumed normal carotid arteries compared to those with significant carotid disease undergoing cardiac surgery with no prior carotid intervention (1.43% vs 3.16%; P > .05 and 0.38% vs 1.05%; P > .05, respectively). CONCLUSIONS Carotid disease is associated with an increased risk of stroke post cardiac surgery. Staged carotid intervention cannot be justified based on these results. Increased risk of stroke post cardiac surgery in patients with significant carotid disease needs to be accepted, as the risk of stroke and MI during carotid intervention pre cardiac surgery is significantly higher.
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Affiliation(s)
- Mohammed Ashrafi
- Department of Vascular Surgery, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK.
| | - Stephen Ball
- Department of Vascular Surgery, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK
| | - Abid Ali
- Department of Vascular Surgery, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK
| | - Iraj Zeynali
- Department of Vascular Surgery, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK
| | - Vittorio Perricone
- Department of Vascular Surgery, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK
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Masabni K, Raza S, Blackstone EH, Gornik HL, Sabik JF. Does preoperative carotid stenosis screening reduce perioperative stroke in patients undergoing coronary artery bypass grafting? J Thorac Cardiovasc Surg 2015; 149:1253-60. [PMID: 25816954 DOI: 10.1016/j.jtcvs.2015.02.003] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 01/29/2015] [Accepted: 02/03/2015] [Indexed: 01/25/2023]
Abstract
A number of institutions routinely perform carotid artery ultrasound screening before coronary artery bypass grafting (CABG) to identify carotid artery disease requiring revascularization before or during CABG, with the expectation of reducing perioperative neurologic events. The assumptions are that carotid disease is causally related to perioperative stroke and that prophylactic carotid revascularization decreases the risk of post-CABG neurologic events. Although carotid artery stenosis is a known risk factor for perioperative stroke in patients undergoing CABG, it might be a surrogate marker for diffuse atherosclerotic disease rather than a direct etiologic factor. Moreover, the benefit of prophylactic carotid revascularization in patients with asymptomatic unilateral carotid disease is uncertain. Therefore, we have reviewed the literature for evidence that preoperative carotid artery screening, by identifying patients with significant carotid artery stenosis and altering their management, reduces perioperative neurologic events in those undergoing CABG.
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Affiliation(s)
- Khalil Masabni
- Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Sajjad Raza
- Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Eugene H Blackstone
- Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio; Department of Quantitative Health Sciences, Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Heather L Gornik
- Department of Vascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Joseph F Sabik
- Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio.
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Oakes DA, Eichenbaum KD. Perioperative management of combined carotid and coronary artery bypass grafting procedures. Anesthesiol Clin 2014; 32:699-721. [PMID: 25113728 DOI: 10.1016/j.anclin.2014.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The objective of this review is to provide a high level overview on current thinking for treatment of patients with combined carotid and coronary artery disease given that these patients are at higher risk of adverse cardiac events, stroke, and death. This review discusses (1) the current literature addressing perioperative stroke risk in the setting of coronary artery bypass graft, (2) the literature regarding different surgical approaches when both carotid and coronary revascularization are being considered, and (3) the data available to guide optimal management of this complex patient population to minimize complications regardless of the surgical approach taken.
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Affiliation(s)
- Daryl A Oakes
- Division of Cardiothoracic Anesthesia, Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University Medical Center, 300 Pasteur Drive H3580, MC 5640, Stanford, CA 94305, USA.
| | - Kenneth D Eichenbaum
- Division of Cardiothoracic Anesthesia, Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University Medical Center, 300 Pasteur Drive H3580, MC 5640, Stanford, CA 94305, USA
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Ozaki CK, Sobieszczyk PS, Ho KJ, McPhee JT, Gravereaux EC. Evidence-based carotid artery-based interventions for stroke risk reduction. Curr Probl Surg 2014; 51:198-242. [PMID: 24767101 DOI: 10.1067/j.cpsurg.2014.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 01/29/2014] [Indexed: 11/22/2022]
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Naylor AR. Sometimes, things are not always what they seem. J Am Coll Cardiol 2014; 63:1338-1339. [PMID: 24509275 DOI: 10.1016/j.jacc.2013.08.1663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 08/28/2013] [Indexed: 10/25/2022]
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Jones DW, Stone DH, Conrad MF, Baribeau YR, Westbrook BM, Likosky DS, Cronenwett JL, Goodney PP. Regional use of combined carotid endarterectomy/coronary artery bypass graft and the effect of patient risk. J Vasc Surg 2012; 56:668-76. [PMID: 22560308 DOI: 10.1016/j.jvs.2012.02.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 02/07/2012] [Accepted: 02/09/2012] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Although carotid artery stenosis and coronary artery disease often coexist, many debate which patients are best served by combined concurrent revascularization (carotid endarterectomy [CEA]/coronary artery bypass graft [CABG]). We studied the use of CEA/CABG in New England and compared indications and outcomes, including stratification by risk, symptoms, and performing center. METHODS Using data from the Vascular Study Group of New England from 2003 to 2009, we studied all patients who underwent combined CEA/CABG across six centers in New England. Our main outcome measure was in-hospital stroke or death. We compared outcomes between all patients undergoing combined CEA/CABG to a baseline CEA risk group comprised of patients undergoing isolated CEA at non-CEA/CABG centers. Further, we compared in-hospital stroke and death rates between high and low neurologic risk patients, defining high neurologic risk patients as those who had at least one of the following clinical or anatomic features: (1) symptomatic carotid disease, (2) bilateral carotid stenosis >70%, (3) ipsilateral stenosis >70% and contralateral occlusion, or (4) ipsilateral or bilateral occlusion. RESULTS Overall, compared to patients undergoing isolated CEA at non-CEA/CABG centers (n = 1563), patients undergoing CEA/CABG (n = 109) were more likely to have diabetes (44% vs 29%; P = .001), creatinine >1.8 mg/dL (11% vs 5%; P = .007), and congestive heart failure (23% vs 10%; P < .001). Patients undergoing CEA/CABG were also more likely to take preoperative beta-blockers (94% vs 75%; P < .001) and less likely to take preoperative clopidogrel (7% vs 25%; P < .001). Patients undergoing CEA/CABG had higher rates of contralateral carotid occlusion (13% vs 5%; P = .001) and were more likely to undergo an urgent/emergent procedure (30% vs 15%; P < .001). The risk of complications was higher in CEA/CABG compared to isolated CEA, including increased risk of stroke (5.5% vs 1.2%; P < .001), death (5.5% vs 0.3%; P < .001), and return to the operating room for any reason (7.6% vs 1.2%; P < .001). Of 109 patients undergoing CEA/CABG, 61 (56%) were low neurologic risk and 48 (44%) were high neurologic risk but showed no demonstrable difference in stroke (4.9% vs 6.3%; P = .76), death, (4.9 vs 6.3%; P = .76), or return to the operating room (10.2% vs 4.3%; P = .25). CONCLUSIONS Although practice patterns in the use of CEA/CABG vary across our region, the risk of complications with CEA/CABG remains significantly higher than in isolated CEA. Future work to improve patient selection in CEA/CABG is needed to improve perioperative results with combined coronary and carotid revascularization.
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Affiliation(s)
- Douglas W Jones
- Department of Surgery, New York Presbyterian Hospital, Weill-Cornell Medical Center, New York, NY 10065, USA.
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Illuminati G, Ricco JB. Reply. J Vasc Surg 2012. [DOI: 10.1016/j.jvs.2011.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Illuminati G, Ricco JB, Caliò F, Pacilè MA, Miraldi F, Frati G, Macrina F, Toscano M. Short-term results of a randomized trial examining timing of carotid endarterectomy in patients with severe asymptomatic unilateral carotid stenosis undergoing coronary artery bypass grafting. J Vasc Surg 2011; 54:993-9; discussion 998-9. [PMID: 21703806 DOI: 10.1016/j.jvs.2011.03.284] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Revised: 03/28/2011] [Accepted: 03/28/2011] [Indexed: 11/25/2022]
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da Rosa MP, Portal VL. Estenose carotídea e cirurgia de revascularização miocárdica. Rev Assoc Med Bras (1992) 2011. [DOI: 10.1590/s0104-42302011000300016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Carotid stenosis and coronary artery bypass grafting. Rev Assoc Med Bras (1992) 2011. [DOI: 10.1016/s0104-4230(11)70066-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Naylor AR, Bown MJ. Stroke after Cardiac Surgery and its Association with Asymptomatic Carotid Disease: An Updated Systematic Review and Meta-analysis. Eur J Vasc Endovasc Surg 2011; 41:607-24. [PMID: 21396854 DOI: 10.1016/j.ejvs.2011.02.016] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2011] [Accepted: 02/13/2011] [Indexed: 11/19/2022]
Affiliation(s)
- A R Naylor
- The Department of Vascular Surgery at Leicester Royal Infirmary, Leicester LE2 7LX, UK.
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Trans-Atlantic debate: is carotid artery disease responsible for perioperative strokes after coronary artery bypass surgery? Eur J Vasc Endovasc Surg 2011; 40:695. [PMID: 21166076 DOI: 10.1016/j.ejvs.2010.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Forbes TL, Ricco JB. Editors' commentary. Is carotid artery disease responsible for perioperative strokes after coronary artery bypass surgery? J Vasc Surg 2010; 52:1721-2. [PMID: 21146754 DOI: 10.1016/j.jvs.2010.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Revised: 09/01/2010] [Accepted: 09/01/2010] [Indexed: 11/18/2022]
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