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Ouatu A, Buliga-Finiș ON, Tanase DM, Badescu MC, Dima N, Floria M, Popescu D, Richter P, Rezus C. Optimizing Anticoagulation in Valvular Heart Disease: Navigating NOACs and VKAs. J Pers Med 2024; 14:1002. [PMID: 39338256 PMCID: PMC11433501 DOI: 10.3390/jpm14091002] [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: 07/29/2024] [Revised: 09/11/2024] [Accepted: 09/18/2024] [Indexed: 09/30/2024] Open
Abstract
BACKGROUND/OBJECTIVES Non-vitamin K antagonist oral anticoagulants (NOACs) have demonstrated similar effectiveness and safety profiles to vitamin K antagonists (VKAs) in treating nonvalvular atrial fibrillation (AF). Given their favorable pharmacological profile, including the rapid onset and offset of action, fixed dosing, and predictable pharmacokinetics with a consistent dose-response relationship, reducing the need for frequent blood tests, researchers have investigated the potential of NOACs in patients with AF and valvular heart disease (VHD). METHODS Clinical trials, excluding patients with mechanical prosthetic valves or moderate/severe mitral stenosis, have shown the benefits of NOACs over VKAs in this population. However, there is a need for further research to determine if these findings apply to mechanical valve prostheses and NOACs. RESULTS Several ongoing randomized controlled trials are underway to provide more definitive evidence regarding NOAC treatment in moderate to severe rheumatic mitral stenosis. Importantly, recent trials that included patients with atrial fibrillation and bioprosthetic valves (also transcatheter heart valves) have provided evidence supporting the safety of NOACs in this specific patient population. Ongoing research aims to clearly define the specific scenarios where NOACs can be safely and effectively prescribed for various types of VHD, including moderate/severe mitral stenosis and mechanical valves. CONCLUSIONS The aim of this review is to accurately identify the specific situations in which NOACs can be prescribed in patients with VHD, with a focus centered on each type of valvulopathy.
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Affiliation(s)
- Anca Ouatu
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Oana Nicoleta Buliga-Finiș
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Daniela Maria Tanase
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Minerva Codruta Badescu
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Nicoleta Dima
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Mariana Floria
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Diana Popescu
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
| | - Patricia Richter
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
| | - Ciprian Rezus
- Faculty of General Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
- Department of Internal Medicine, IIIrd Medical Clinic, "Sf. Spiridon" Emergency Hospital, 1 Independentei Street, 700111 Iasi, Romania
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Lip GYH, Proietti M, Potpara T, Mansour M, Savelieva I, Tse HF, Goette A, Camm AJ, Blomstrom-Lundqvist C, Gupta D, Boriani G. Atrial fibrillation and stroke prevention: 25 years of research at EP Europace journal. Europace 2023; 25:euad226. [PMID: 37622590 PMCID: PMC10451006 DOI: 10.1093/europace/euad226] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 08/26/2023] Open
Abstract
Stroke prevention in patients with atrial fibrillation (AF) is one pillar of the management of this common arrhythmia. Substantial advances in the epidemiology and associated pathophysiology underlying AF-related stroke and thrombo-embolism are evident. Furthermore, the introduction of the non-vitamin K antagonist oral anticoagulants (also called direct oral anticoagulants) has clearly changed our approach to stroke prevention in AF, such that the default should be to offer oral anticoagulation for stroke prevention, unless the patient is at low risk. A strategy of early rhythm control is also beneficial in reducing strokes in selected patients with recent onset AF, when compared to rate control. Cardiovascular risk factor management, with optimization of comorbidities and attention to lifestyle factors, and the patient's psychological morbidity are also essential. Finally, in selected patients with absolute contraindications to long-term oral anticoagulation, left atrial appendage occlusion or exclusion may be considered. The aim of this state-of-the-art review article is to provide an overview of the current status of AF-related stroke and prevention strategies. A holistic or integrated care approach to AF management is recommended to minimize the risk of stroke in patients with AF, based on the evidence-based Atrial fibrillation Better Care (ABC) pathway, as follows: A: Avoid stroke with Anticoagulation; B: Better patient-centred, symptom-directed decisions on rate or rhythm control; C: Cardiovascular risk factor and comorbidity optimization, including lifestyle changes.
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Affiliation(s)
- Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK
- Danish Center for Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Marco Proietti
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
- Division of Subacute Care, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Tatjana Potpara
- School of Medicine, Belgrade University, Belgrade, Serbia
- Cardiology Clinic, University Clinical Centre of Serbia, Belgrade, Serbia
| | | | - Irina Savelieva
- Clinical Academic Group, Molecular and Clinical Sciences Institute, St. George’s University of London, Cranmer Terrace London SW17 0RE, UK
| | - Hung Fat Tse
- Cardiology Division, Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Andreas Goette
- Medizinische Klinik II: Kardiologie und Intensivmedizin, St. Vincenz-Krankenhaus Paderborn, Am Busdorf 2, 33098 Paderborn, Germany
| | - A John Camm
- Clinical Academic Group, Molecular and Clinical Sciences Institute, St. George’s University of London, Cranmer Terrace London SW17 0RE, UK
| | - Carina Blomstrom-Lundqvist
- Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Dhiraj Gupta
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK
- Department of Cardiology, Liverpool Heart & Chest Hospital, Liverpool, United Kingdom
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, via del Pozzo 71, 41125 Modena, Italy
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Abstract
PURPOSE OF REVIEW Rheumatic mitral stenosis (MS) while declining in high- and middle-income countries, continues to be a major cause of death and disability in low-income countries. Although the nonvitamin-K antagonist oral anticoagulants (NOACs) have essentially supplanted vitamin K antagonists (VKA) in patients with nonvalvular atrial fibrillation (AF), their efficacy for stroke prevention in patients with rheumatic MS and AF has not been widely studied until recently. The purpose of this review is to provide a succinct synopsis of the current anticoagulation recommendations for patients with native and prosthetic heart valve disease, with a specific focus on patients with rheumatic MS. RECENT FINDINGS The INVICTUS trial was the first large randomized evaluation of a NOAC vs. VKA in approximately 4600 patients with moderate to severe rheumatic MS and AF. The primary outcome of stroke, systemic embolization, myocardial infarction, vascular and all-cause death, VKA treated patients exhibited lower event rates (including mortality) compared to rivaroxaban. We discuss and contextualize these findings as they relate to the broader use of anticoagulants in patients with valvular heart disease, with and without concomitant AF. SUMMARY VKA remains the standard of care for patients with moderate to severe rheumatic MS who have concomitant AF. Rates of stroke in anticoagulated patients with rheumatic MS and AF are lower than what is traditionally held, while nonstroke related deaths remain the most common mechanism of mortality.
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Affiliation(s)
- Raj Verma
- School of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - David A Latter
- St. Michael's Hospital, University of Toronto, Toronto, Canada
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Al Rawahi MN, Al-Maqbali JS, Al Noumani J, Al Alawi AM, Essebag V. Novel Oral Anticoagulants in Patients With Atrial Fibrillation and Moderate to Severe Mitral Stenosis: A Systematic Review. Cureus 2023; 15:e33222. [PMID: 36741597 PMCID: PMC9891397 DOI: 10.7759/cureus.33222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/01/2023] [Indexed: 01/02/2023] Open
Abstract
The use of novel oral anticoagulants (NOAC) in patients with moderate to severe mitral stenosis (MS) and atrial fibrillation (AF) is not recommended. We aimed to evaluate the efficacy and safety of NOAC usage compared to vitamin K antagonist (VKA) in patients with moderate to severe MS and AF. We conducted a systematic review to identify articles that compared warfarin to NOAC in patients with moderate to severe MS and AF. Only four studies (two observational studies and two trials) met our search criteria and reported a total of 7529 patients with MS and AF with MS and AF, 4138 of them treated with NOAC. In both observational studies, the severity of MS was not determined, and there was heterogeneity in MS etiology. Nevertheless, both studies showed a positive signal toward the efficacy and safety of NOAC compared to VKA in this population. A randomized pilot trial (n=40) was done on patients with moderate to severe MS, and it showed further acceptable efficacy and safety for rivaroxaban use. However, a larger randomized controlled trial (n=4531) disclosed that VKA (warfarin) led to a significantly lower rate of a composite of cardiovascular events or mortality than rivaroxaban, without a higher rate of major bleeding but not fatal bleeding. Our systematic review provides exploratory information on NOAC safety and effectiveness in patients with MS; it also discourages using NOACs for patients with moderate to severe MS and supports the current treatment guidelines. However, more dedicated clinical trials evaluating the use of NOACs in moderate to severe MS are underway. They will categorically establish the safety profile and clinical effectiveness of NOAC in this high-risk population.
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Affiliation(s)
| | - Juhaina S Al-Maqbali
- Clinical Pharmacy, Department of Pharmacy, Sultan Qaboos University Hospital, Muscat, OMN
| | | | | | - Vidal Essebag
- Cardiac Electrophysiology, McGill University, Montréal, CAN
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Abstract
Rheumatic heart disease (RHD) is the underlying cause of a significant proportion of atrial fibrillation (AF) in the low- and middle-income countries, while nonvalvular AF is the most common cause of AF in high-income countries. RHD is also common among African Americans, migrants, and the indigenous population of high-income countries. The onset of AF in RHD patients is a clinical marker of worse outcomes and is associated with significant morbidity and mortality. Despite RHD being a major cause of morbidity and mortality in the young in many parts of the world, it is often neglected by policymakers, the media, and even the medical fraternity. Stroke risk assessment using various risk scores has not been systematically evaluated in rheumatic AF patients. Rate control may not be ideal for symptom control in rheumatic AF patients considering the young age and an active lifestyle. There is limited information regarding the nonpharmacological management of rheumatic AF. The current management guidelines based on nonvalvular AF do not apply to rheumatic AF patients who are often younger, are women, and have fewer comorbidities. This review critically looks at specific areas such as stroke prevention with reference to direct oral anticoagulants, cardioversion, rate and rhythm control strategies, and the role of nonpharmacological methods in rheumatic AF management. Future recommendations must be cognizant of local health care systems and resourcing considering the geographic distribution of the disease.
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Affiliation(s)
- Jayaprakash Shenthar
- Electrophysiology Unit, Department of Cardiology, Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bangalore, India
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Guo G, Liang S, Guan Z, Zhu K. Effect of direct oral anticoagulants in patients with atrial fibrillation with mitral or aortic stenosis: A review. Front Cardiovasc Med 2022; 9:1070806. [DOI: 10.3389/fcvm.2022.1070806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 10/31/2022] [Indexed: 11/18/2022] Open
Abstract
BackgroundSeveral studies have summarized the clinical performance of direct oral anticoagulants (DOACs) in atrial fibrillation (AF) patients with mitral stenosis or aortic stenosis. The significance of this review was to provide clinicians the latest update of the clinical application of DOACs in managing this specific population.MethodsLiteratures from the PubMed database up to July 2022 were screened for inclusion. Studies on the effect of DOACs in patients suffering from AF with mitral or aortic stenosis were assessed for further selection.ResultsResults from four studies were gathered: the RISE MS trial, the DAVID-MS study, and two observational studies. In the Korean observational study with a 27-month follow-up duration and a sample population consisted of patients with mitral stenosis and AF, the thromboembolic events happened at a rate of 2.22%/ year in the DOAC group and 4.19%/year in the warfarin group (adjusted hazard ratio: 0.28; 95% CI: 0.18–0.45). Intracranial hemorrhage occurred at rates of 0.49% and 0.93% in the DOAC and the warfarin groups, respectively (adjusted hazard ratio: 0.53; 95% CI: 0.22–1.26). In the Danish observational study, which had a sample pool with AF patients with aortic stenosis, reported that the adjusted hazard ratios for thromboembolism and major bleeding were 1.62 (95% CI, 1.08–2.45) and 0.73 (95% CI, 0.59–0.91) for DOACs compared with warfarin during 3 years of follow-up. In the RISE-MS trial involving AF patients with mitral stenosis, there were no differences in ischemic stroke, systemic embolic events, or major bleeding between the rivaroxaban vs. warfarin groups during a 1-year follow-up as well as equal rate of increased thrombogenicity in the left atrial appendage at 6 months. The rate of silent cerebral ischemia at 12 months was higher in the warfarin group (17.6%) than that in the rivaroxaban group (13.3%).ConclusionsCurrent published studies supported DOACs' effectiveness in preventing thromboembolism in patients of AF with mitral or aortic stenosis. Further clinical trials could confirm these findings.
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Sadeghipour P, Farrashi M, De Caterina R. Response to "Non-vitamin K antagonist oral anticoagulants (NOACs) in preventing thromboembolism in atrial fibrillation patients with moderate to severe mitral stenosis: Results from a pilot trial". Int J Cardiol 2022; 362:137-138. [PMID: 35500822 DOI: 10.1016/j.ijcard.2022.04.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 11/20/2022]
Affiliation(s)
- Parham Sadeghipour
- Cardiovascular Intervention Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran; Clinical Trial Center, Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Melody Farrashi
- Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Raffaele De Caterina
- University Cardiology Division, Pisa University Hospital, Pisa, Italy; Fondazione VillaSerena per la Ricerca, Città Sant'Angelo, Pescara, Italy.
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Fanaroff AC, Vora AN, Lopes RD. Non-vitamin K antagonist oral anticoagulants in patients with valvular heart disease. Eur Heart J Suppl 2022; 24:A19-A31. [PMID: 35185406 PMCID: PMC8850709 DOI: 10.1093/eurheartj/suab151] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The non-vitamin K antagonist oral anticoagulants (NOACs) dabigatran, rivaroxaban, apixaban, and edoxaban have transformed the management of atrial fibrillation (AF), but are only approved by regulatory authorities for stroke prophylaxis in patients with so-called "non-valvular AF." This terminology has spawned confusion about which patients with valvular heart disease benefit from NOACs and which should be treated with vitamin K antagonists (VKAs) instead. Patients with valvular heart disease other than mechanical prosthetic valves or severe mitral stenosis (including those with bioprosthetic valves) were included in pivotal trials demonstrating the benefit of NOACs over VKAs, and consensus guidelines recommend NOACs over VKAs in these patients. Subsequent devoted randomized controlled trials in patients with AF and bioprosthetic valves, including transcatheter valves, have confirmed the safety of NOACs in this population. In patients with rheumatic mitral stenosis, observational studies indicate that NOACs may be safe and effective, but randomized controlled trials are ongoing. By contrast, a randomized controlled trial showed that dabigatran is harmful in patients with mechanical prosthetic mitral valves; however, these data may not extrapolate to patients with mechanical valve prostheses in other locations or to other NOACs, and randomized controlled trials are ongoing. In this review, we discuss these data in greater depth, and make recommendations for the use of NOACs in patients with valvular heart disease.
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Affiliation(s)
- Alexander C Fanaroff
- Division of Cardiovascular Medicine, Department of Medicine; Penn Cardiovascular Outcomes, Quality, and Evaluative Research Center; and Leonard Davis Institute for Health Economics, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA
| | - Amit N Vora
- UPMC Heart and Vascular Institute, Harrisburg, PA, USA
- Division of Cardiovascular Medicine, Department of Medicine, Duke University, 2400 Pratt St, Durham, NC 27710, USA
| | - Renato D Lopes
- Division of Cardiovascular Medicine, Department of Medicine, Duke University, 2400 Pratt St, Durham, NC 27710, USA
- Duke Clinical Research Institute, Duke University, PO Box 17969, Durham, NC 27715, USA
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Chao T, Joung B, Takahashi Y, Lim TW, Choi E, Chan Y, Guo Y, Sriratanasathavorn C, Oh S, Okumura K, Lip GYH. 2021 Focused update of the 2017 consensus guidelines of the Asia Pacific Heart Rhythm Society (APHRS) on stroke prevention in atrial fibrillation. J Arrhythm 2021; 37:1389-1426. [PMID: 34887945 PMCID: PMC8637102 DOI: 10.1002/joa3.12652] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 10/22/2021] [Indexed: 12/19/2022] Open
Abstract
The consensus of the Asia Pacific Heart Rhythm Society (APHRS) on stroke prevention in atrial fibrillation (AF) has been published in 2017 which provided useful clinical guidance for cardiologists, neurologists, geriatricians, and general practitioners in Asia-Pacific region. In these years, many important new data regarding stroke prevention in AF were reported. The Practice Guidelines subcommittee members comprehensively reviewed updated information on stroke prevention in AF, and summarized them in this 2021 focused update of the 2017 consensus guidelines of the APHRS on stroke prevention in AF. We highlighted and focused on several issues, including the importance of AF Better Care (ABC) pathway, the advantages of non-vitamin K antagonist oral anticoagulants (NOACs) for Asians, the considerations of use of NOACs for Asian patients with AF with single 1 stroke risk factor beyond gender, the role of lifestyle factors on stroke risk, the use of oral anticoagulants during the "coronavirus disease 2019" (COVID-19) pandemic, etc. We fully realize that there are gaps, unaddressed questions, and many areas of uncertainty and debate in the current knowledge of AF, and the physician's decision remains the most important factor in the management of AF.
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Affiliation(s)
- Tze‐Fan Chao
- Division of CardiologyDepartment of MedicineTaipei Veterans General HospitalTaipeiTaiwan
- Institute of Clinical Medicine, and Cardiovascular Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Boyoung Joung
- Division of CardiologyDepartment of Internal MedicineYonsei University College of MedicineSeoulRepublic of Korea
| | - Yoshihide Takahashi
- The Department of Advanced Arrhythmia ResearchTokyo Medical and Dental UniversityTokyoJapan
| | - Toon Wei Lim
- National University Heart CentreNational University HospitalSingaporeSingapore
| | - Eue‐Keun Choi
- Department of Internal MedicineSeoul National University HospitalSeoulRepublic of Korea
| | - Yi‐Hsin Chan
- Microscopy Core LaboratoryChang Gung Memorial HospitalLinkouTaoyuanTaiwan
- College of MedicineChang Gung UniversityTaoyuanTaiwan
- Microscopy Core LaboratoryChang Gung Memorial HospitalLinkouTaoyuanTaiwan
| | - Yutao Guo
- Pulmonary Vessel and Thrombotic DiseaseChinese PLA General HospitalBeijingChina
| | | | - Seil Oh
- Department of Internal MedicineSeoul National University HospitalSeoulRepublic of Korea
| | - Ken Okumura
- Division of CardiologySaiseikai Kumamoto HospitalKumamotoJapan
| | - Gregory Y. H. Lip
- Liverpool Centre for Cardiovascular ScienceUniversity of Liverpool & Liverpool Heart and Chest HospitalLiverpoolUK
- Aalborg Thrombosis Research UnitDepartment of Clinical MedicineAalborg UniversityAalborgDenmark
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Bitar YDSL, Duraes AR, Roever L, Gomes Neto M, Lins-Kusterer L, Bocchi EA. Comparison of the Direct Oral Anticoagulants and Warfarin in Patients With Atrial Fibrillation and Valvular Heart Disease: Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials. Front Cardiovasc Med 2021; 8:712585. [PMID: 34631818 PMCID: PMC8494252 DOI: 10.3389/fcvm.2021.712585] [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: 05/20/2021] [Accepted: 07/29/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Direct oral anticoagulants (DOACS) are approved for use in non-valvular atrial fibrillation (AF). This systematic review and meta-analysis aimed to evaluate the efficacy and safety of DOACs vs. warfarin and update the evidence for treatment of AF and valvular heart disease (VHD). Methods: We identified randomized clinical trials (RCTs) and post-hoc analyses comparing the use of DOACS and Warfarin in AF and VHD, including biological and mechanical heart valves (MHV), updating from 2010 to 2020. Through systematic review and meta-analysis, by using the "Rev Man" program 5.3, the primary effectiveness endpoints were stroke and systemic embolism (SE). The primary safety outcome was major bleeding, while the secondary outcome included intracranial hemorrhage. We performed prespecified subgroup analyses. Data were analyzed by risk ratio (RR) and 95% confidence interval (CI) and the I-square (I 2) statistic as a quantitative measure of inconsistency. Risk of bias and methodological quality assessment of included trials was evaluated with the modified Cochrane risk-of-bias tool. Results: We screened 326 articles and included 8 RCTs (n = 14.902). DOACs significantly reduced the risk of stroke/SE (RR 0.80, 95% CI: 0.68-0.94; P = 0.008; moderate quality evidence; I 2 = 2%) and intracranial hemorrhage (RR 0.40, 95% CI: 0.24-0.66; P = 0.0004; I 2 = 49%) with a similar risk of major bleeding (RR 0.83, 95% CI: 0.56-1.24; P = 0.36; I 2 = 88%) compared to Warfarin. Conclusions: In this update, DOACs remained with similar efficacy and safety compared to warfarin in thromboprophylaxis for AF and VHD.
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Affiliation(s)
- Yasmin de Souza Lima Bitar
- Post-graduate Program in Medicine and Health (PPgMS)/Federal University of Bahia (UFBA), Salvador, Brazil
- Federal University of Bahia, UFBA, Salvador, Brazil
| | - Andre Rodrigues Duraes
- Post-graduate Program in Medicine and Health (PPgMS)/Federal University of Bahia (UFBA), Salvador, Brazil
- Federal University of Bahia, UFBA, Salvador, Brazil
| | | | - Mansueto Gomes Neto
- Post-graduate Program in Medicine and Health (PPgMS)/Federal University of Bahia (UFBA), Salvador, Brazil
- Federal University of Bahia, UFBA, Salvador, Brazil
| | - Liliane Lins-Kusterer
- Post-graduate Program in Medicine and Health (PPgMS)/Federal University of Bahia (UFBA), Salvador, Brazil
- Federal University of Bahia, UFBA, Salvador, Brazil
| | - Edimar Alcides Bocchi
- University of São Paulo Medical School, HCFMUSP, São Paulo, Brazil
- Heart Institute, InCor, São Paulo, Brazil
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