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Saad M, Elkaryoni A, Alkhouli MA. Preventing Strokes in Anticoagulated Patients With Breakthrough Events: Will LAAO Triumph Where OAC Falls Short? JACC Cardiovasc Interv 2024; 17:1322-1324. [PMID: 38795090 DOI: 10.1016/j.jcin.2024.04.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Accepted: 04/23/2024] [Indexed: 05/27/2024]
Affiliation(s)
- Marwan Saad
- Lifespan Cardiovascular Institute, Providence, Rhode Island, USA; Department of Medicine, Division of Cardiology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
| | - Ahmed Elkaryoni
- Lifespan Cardiovascular Institute, Providence, Rhode Island, USA; Department of Medicine, Division of Cardiology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Mohamad A Alkhouli
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
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Lin S, Liao Y, Tang S, Lin CC, Wang C. Changing or Retaining Direct Oral Anticoagulant After Ischemic Stroke Despite Direct Oral Anticoagulant Treatment. J Am Heart Assoc 2024; 13:e032454. [PMID: 38293918 PMCID: PMC11056173 DOI: 10.1161/jaha.123.032454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/15/2023] [Indexed: 02/01/2024]
Abstract
BACKGROUND The optimal antithrombotic strategies for patients with atrial fibrillation who experience ischemic stroke (IS) despite direct oral anticoagulant (DOAC) therapy remain inconclusive. This study compared outcomes for patients with DOAC treatment failure who changed or retained their prestroke DOAC. METHODS AND RESULTS This retrospective cohort study analyzed data from the National Health Insurance Research Database from 2012 to 2020. Patients with atrial fibrillation who experienced IS during DOAC therapy were assigned to either (1) the DOAC-change group: changing prestroke DOAC or (2) the DOAC-retain group: retaining prestroke DOAC. The primary outcome was a composite of recurrent IS and transient ischemic attack. The secondary outcomes included intracranial hemorrhage, major bleeding, systemic thromboembolism, and all-cause death. Propensity score-based inverse probability of treatment weighting was applied to balance the baseline characteristics between the DOAC-change and DOAC-retain groups. The Cox proportional hazards model compared the risk of outcomes between the 2 groups. In total, 1979 patients were enrolled (609 DOAC-change patients and 1370 DOAC-retain patients). The incidence rates of recurrent IS or transient ischemic attack were 7.20 and 6.56 per 100 person-years in the DOAC-change and DOAC-retain groups, respectively (hazard ratio [HR], 1.07 [95% CI, 0.87-1.30]). A nonsignificantly higher incidence rate of intracranial hemorrhage was observed in the DOAC-change group compared with the DOAC-retain group (0.75 versus 0.53 per 100-person-years; HR, 1.49 [95% CI, 0.78-2.83]). The systemic thromboembolism, major bleeding, and death rates were comparable between the DOAC-change and DOAC-retain groups. CONCLUSIONS Changing prestroke DOAC does not reduce the risk of recurrent cerebral ischemia in patients with atrial fibrillation who develop IS during DOAC therapy. However, future studies should continue to observe the potential trends of increased intracranial hemorrhage risk.
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Affiliation(s)
- Shin‐Yi Lin
- Department of PharmacyNational Taiwan University HospitalTaipeiTaiwan
- School of Pharmacy, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Yun‐Tsz Liao
- Department of PharmacyNational Taiwan University HospitalTaipeiTaiwan
- Institute of Health Policy and ManagementCollege of Public Health, National Taiwan UniversityTaipeiTaiwan
- Master of Public Health ProgramCollege of Public Health, National Taiwan UniversityTaipeiTaiwan
| | - Sung‐Chun Tang
- Stroke Center and Department of NeurologyNational Taiwan University HospitalTaipeiTaiwan
| | - Ching‐Ching Claire Lin
- Institute of Health Policy and ManagementCollege of Public Health, National Taiwan UniversityTaipeiTaiwan
- Master of Public Health ProgramCollege of Public Health, National Taiwan UniversityTaipeiTaiwan
| | - Chi‐Chuan Wang
- Department of PharmacyNational Taiwan University HospitalTaipeiTaiwan
- School of Pharmacy, College of MedicineNational Taiwan UniversityTaipeiTaiwan
- Graduate Institute of Clinical Pharmacy, College of MedicineNational Taiwan UniversityTaipeiTaiwan
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Dai L, Lyu L, Zhou P, Jiang S. Causal associations of COVID-19 on neurosurgical diseases risk: a Mendelian randomization study. Hum Genomics 2024; 18:13. [PMID: 38311757 PMCID: PMC10840232 DOI: 10.1186/s40246-024-00575-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 02/06/2024] Open
Abstract
Many researchers have explored the potential association between one neurosurgical disease and coronavirus disease 2019 (COVID-19), but few systematically analyzed the association and causality between COVID-19 and various neurosurgical diseases. A Mendelian randomization analysis was conducted to evaluate the causal association between COVID-19 (including critically ill COVID-19, hospitalized COVID-19, and respiratory syndrome coronavirus 2 (SARS-CoV-2) infection) and 30 neurosurgical diseases within European populations. The consequences of inverse variance weighted models suggest that genetic susceptibility of critically ill COVID-19 may increase the risk of cerebral infarction (odds ratio [OR] = 1.02; p-value = 0.006), genetic susceptibility of SARS-CoV-2 infection may increase the risk of stroke (OR = 1.02; p-value = 0.047), and conversely, genetic susceptibility of hospitalized COVID-19 may reduce the risk of pituitary adenoma and craniopharyngioma (OR = 0.90; p-value = 0.032). In addition, evidences revealed potential associations between genetic susceptibility of COVID-19 and spinal stenosis (OR = 1.03; p-value = 0.028), diffuse brain injury (OR = 1.21; p-value = 0.040) and focal brain injury (OR = 1.12; p-value = 0.040). By testing for heterogeneity and pleiotropy, the above causal conclusions are robust. In summary, our analysis shows that COVID-19 has an independent and powerful causal influence on multiple neurosurgical disorders.
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Affiliation(s)
- Lirui Dai
- Department of Neurosurgery, Pituitary Adenoma Multidisciplinary Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Liang Lyu
- Department of Neurosurgery, Pituitary Adenoma Multidisciplinary Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Peizhi Zhou
- Department of Neurosurgery, Pituitary Adenoma Multidisciplinary Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
| | - Shu Jiang
- Department of Neurosurgery, Pituitary Adenoma Multidisciplinary Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
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Chao TF, Potpara TS, Lip GY. Atrial fibrillation: stroke prevention. THE LANCET REGIONAL HEALTH. EUROPE 2024; 37:100797. [PMID: 38362551 PMCID: PMC10867001 DOI: 10.1016/j.lanepe.2023.100797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 11/11/2023] [Accepted: 11/15/2023] [Indexed: 02/17/2024]
Abstract
Stroke prevention is central to the management of patients with atrial fibrillation (AF) which has moved towards a more holistic or integrative care approach. The published evidence suggests that management of AF patients following such a holistic approach based on the Atrial fibrillation Better Care (ABC) pathway is associated with a lower risk of stroke and adverse events. Risk assessment, re-assessment and use of direct oral anticoagulants (DOACs) are important for stroke prevention in AF. The stroke and bleeding risks of AF patients are not static and should be re-assessed regularly. Bleeding risk assessment is to address and mitigate modifiable bleeding risk factors, and to identify high bleeding risk patients for early review and follow-up. Well-controlled comorbidities and healthy lifestyles also play an important role to achieve a better clinical outcome. Digital health solutions are increasingly relevant in the diagnosis and management of patients with AF, with the potential to improve stroke prevention. In this review, we provide an update on stroke prevention in AF, including importance of holistic management, risk assessment/re-assessment, and stroke prevention for special AF populations. Evidence-based and structured management of AF patients would reduce the risk of stroke and other adverse events.
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Affiliation(s)
- Tze-Fan Chao
- Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, and Cardiovascular Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Tatjana S. Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia
- Cardiology Clinic, Clinical Centre of Serbia, Belgrade, Serbia
| | - Gregory Y.H. Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom
- Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Elsheikh S, Hill A, Irving G, Lip GYH, Abdul-Rahim AH. Atrial fibrillation and stroke: State-of-the-art and future directions. Curr Probl Cardiol 2024; 49:102181. [PMID: 37913929 DOI: 10.1016/j.cpcardiol.2023.102181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 10/28/2023] [Indexed: 11/03/2023]
Abstract
Atrial fibrillation (AF) and stroke remain a major cause of morbidity and mortality. The two conditions shared common co-morbidities and risk factors. AF-related strokes are associated with worse clinical outcomes and higher mortality compared to non-AF-related. Early detection of AF is vital for prevention. While various scores have been developed to predict AF in such a high-risk group, they are yet to incorporated into clinical guidelines. Novel markers and predictors of AF including coronary and intracranial arterial calcification have also been studied. There are also ongoing debates on the management of acute stroke in patients with AF, and those who experienced breakthrough stroke while on oral anticoagulants. We provided an overview of the complex interplay between AF and stroke, as well as the treatment and secondary prevention of stroke in AF. We also comprehensively discussed the current evidence and the ongoing conundrums, and highlighted the future directions on the topic.
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Affiliation(s)
- Sandra Elsheikh
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK; Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK; Mersey and West Lancashire Teaching Hospitals NHS Trust, St Helens, UK.
| | - Andrew Hill
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK; Mersey and West Lancashire Teaching Hospitals NHS Trust, St Helens, UK
| | - Greg Irving
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK; Health Research Institute, Edge Hill University Faculty of Health and Social Care, Ormskirk, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK; Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK; Danish Centre for Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Azmil H Abdul-Rahim
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK; Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK; Mersey and West Lancashire Teaching Hospitals NHS Trust, St Helens, UK
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Hsieh M, Liu C, Lin S, Lin P, Chang Y, Wang C, Chen C, Sung P. Comparing Efficacy and Safety Between Patients With Atrial Fibrillation Taking Direct Oral Anticoagulants or Warfarin After Direct Oral Anticoagulant Failure. J Am Heart Assoc 2023; 12:e029979. [PMID: 38038171 PMCID: PMC10727336 DOI: 10.1161/jaha.123.029979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 09/19/2023] [Indexed: 12/02/2023]
Abstract
BACKGROUND An increased risk of recurrent stroke is noted in patients with atrial fibrillation despite direct oral anticoagulant (DOAC) use. We investigated the efficacy and safety of treatment with each of 4 different DOACs or warfarin after DOAC failure. METHODS AND RESULTS We retrospectively analyzed patients with atrial fibrillation with ischemic stroke despite DOAC treatment between January 2002 and December 2016. The different outcomes of patients with DOAC failure were compared, including recurrent ischemic stroke, major cardiovascular events, intracranial hemorrhage and subarachnoid hemorrhage, mortality, and net composite outcomes according to switching to different DOACs or vitamin K antagonist after index ischemic stroke. We identified 3759 patients with DOAC failure. A total of 84 patients experienced recurrent ischemic stroke after switching to different oral anticoagulants, with a total follow-up time of 14 years. Using the vitamin K antagonist group as a reference, switching to any of the 4 DOACs was associated with a 69% to 77% reduced risk of major cardiovascular events (adjusted hazard ratio [aHR], 0.25 [95% CI, 0.16-0.39] for apixaban, 0.23 [95% CI, 0.14-0.37] for dabigatran, 0.23 [95% CI, 0.09-0.60] for edoxaban, and 0.31 [95% CI, 0.21-0.45] for rivaroxaban), and a 69% to 83% reduced risk of net composite outcomes (aHR, 0.25 [95% CI, 0.18-0.35] for apixaban, 0.17 [95% CI, 0.11-0.25] for dabigatran, 0.31 [95% CI, 0.17-0.56] for edoxaban, and 0.31 [95% CI, 0.23-0.41] for rivaroxaban). CONCLUSIONS In Asian patients with DOAC failure, continuing DOACs after index stroke was associated with fewer undesirable outcomes than switching to a vitamin K antagonist. Alternative pharmacologic and nonpharmacologic strategies warrant investigation.
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Affiliation(s)
- Meng‐Tsang Hsieh
- Stroke Center and Department of NeurologyChi‐Mei Medical CenterTainanTaiwan
- Institute of Clinical Medicine, College of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Chi‐Hung Liu
- Stroke Center and Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center and College of MedicineChang Gung UniversityTaoyuanTaiwan
- Institute of Health Policy and Management, College of Public HealthNational Taiwan UniversityTaipeiTaiwan
| | - Sheng‐Hsiang Lin
- Institute of Clinical Medicine, College of MedicineNational Cheng Kung UniversityTainanTaiwan
- Department of Public Health, College of MedicineNational Cheng Kung UniversityTainanTaiwan
- Biostatistics Consulting CenterNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
| | - Po‐Yu Lin
- Department of NeurologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
| | - Yu‐Ming Chang
- Department of NeurologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
| | - Chun‐Min Wang
- Department of NeurologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
| | - Chih‐Hung Chen
- Department of NeurologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
| | - Pi‐Shan Sung
- Department of NeurologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung UniversityTainanTaiwan
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Wolfe J, Siegler JE. Reader Response: Association of Alternative Anticoagulation Strategies and Outcomes in Patients With Ischemic Stroke While Taking a Direct Oral Anticoagulant. Neurology 2023; 101:1032-1033. [PMID: 38012014 PMCID: PMC10727211 DOI: 10.1212/wnl.0000000000208002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023] Open
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Ip YMB, Hong Leung TW. Author Response: Association of Alternative Anticoagulation Strategies and Outcomes in Patients With Ischemic Stroke While Taking a Direct Oral Anticoagulant. Neurology 2023; 101:1033. [PMID: 38012015 PMCID: PMC10727227 DOI: 10.1212/wnl.0000000000208004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023] Open
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Galea R, Seiffge D, Räber L. Atrial Fibrillation and Ischemic Stroke despite Oral Anticoagulation. J Clin Med 2023; 12:5784. [PMID: 37762726 PMCID: PMC10532406 DOI: 10.3390/jcm12185784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/28/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
Patients with atrial fibrillation (AF) experiencing ischemic stroke despite oral anticoagulation (OAC), i.e., breakthrough strokes, are not uncommon, and represent an important clinical subgroup in view of the consistently high risk of stroke recurrence and mortality. The understanding of the heterogenous potential mechanism underlying OAC failure is essential in order to implement specific therapeutic measures aimed at reducing the risk of recurrent ischemic stroke. However, due to the incomplete comprehension of this phenomenon and the limited available data, secondary stroke prevention in such high-risk patients represents a clinical dilemma. There are several available strategies to prevent ischemic stroke recurrence in AF patients with breakthrough stroke in the absence of competing causes unrelated to AF, and these include continuation or change in the type of OAC, addition of antiplatelet therapy, left atrial appendage closure, or any combination of the above options. However, due to the limited available data, the latest guidelines do not provide any specific recommendations about which of the above strategies may be preferred. This review describes the incidence, the clinical impact and the potential mechanisms underlying OAC failure in AF patients. Furthermore, the evidence supporting each of the above therapeutic options for secondary stroke prevention and the potential future directions will be discussed.
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Affiliation(s)
- Roberto Galea
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland;
| | - David Seiffge
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland;
| | - Lorenz Räber
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland;
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