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Rossing P, Hansen TW, Kümler T. Cardiovascular and non-renal complications of chronic kidney disease: Managing risk. Diabetes Obes Metab 2024. [PMID: 38982587 DOI: 10.1111/dom.15747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 07/11/2024]
Abstract
Chronic kidney disease (CKD) currently affects approximately 850 million people globally and is continuing to increase in prevalence as well as in importance as a cause of death. The excess mortality related to CKD is mostly caused by an increase in cardiovascular disease. This includes atherosclerotic cardiovascular disease as many promoters of atherosclerosis, such as blood pressure, lipid levels and hypercoagulation, are increased in people with CKD. Diabetes is a leading cause of CKD contributing to the risk of CVD, and obesity is also increasingly prevalent. Management of these risk factors is therefore very important in CKD, and to reduce risk of CKD progression. Heart failure is also more prevalent in CKD and, again, many risk factors are shared. The concept of foundational pillars in the management of heart failure has been adapted to the treatment of CKD, with many organ-protective interventions, such renin-angiotensin system blockade, sodium-glucose cotransporter-2 inhibition and mineralocorticoid receptor antagonism, reducing the risk for mortality in heart failure with reduced ejection fraction, but also for progression of CKD. Atrial fibrillation is also more common with CKD and affects the management of the former. In this review these non-renal complications of CKD are discussed, along with how the risk of these complications should be managed. Many new opportunities have demonstrated heart and kidney organ protection, but implementation is a challenge.
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Affiliation(s)
- Peter Rossing
- Clinical Translational Research, Steno Diabetes Center Copenhagen, Herlev, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Tine Willum Hansen
- Clinical Translational Research, Steno Diabetes Center Copenhagen, Herlev, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Thomas Kümler
- Clinical Translational Research, Steno Diabetes Center Copenhagen, Herlev, Denmark
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Rodriguez JF, Pachón-Londoño MJ, Areiza LA, Rodriguez WG. Zero-contrast left atrial appendage closure, a feasible alternative for patients with a high risk of contrast-induced nephropathy: Systematic literature review and meta-analysis. Heart Rhythm 2024:S1547-5271(24)02558-X. [PMID: 38750910 DOI: 10.1016/j.hrthm.2024.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND Left atrial appendage closure (LAAC) is an alternative to reduce thrombotic risk in patients with nonvalvular atrial fibrillation. This procedure conventionally requires the use of a contrast agent. A significant proportion of patients who undergo this procedure have chronic kidney disease, with a high risk of contrast-induced nephropathy. OBJECTIVE We aimed to systematically review existing literature regarding the feasibility and safety of a zero-contrast LAAC technique. METHODS We searched the MEDLINE/PubMed, Embase, and Cochrane Central Register of Controlled Trials databases for studies comparing a zero-contrast LAAC technique with conventional LAAC up to April 2024. From each study, we extracted baseline characteristics, feasibility, and safety outcomes. A random model meta-analysis was used to compare outcomes between groups. RESULTS Five studies reporting data from 367 patients were included. A 100% successful implantation rate was reported in all the zero-contrast groups. The mean number of recaptures reached no significant difference between the groups (mean difference, -0.15; CI, -0.67 to 0.37; I2 = 0%; P = .58). The zero-contrast group had a significantly shorter fluoroscopy time (mean difference, -4.03; CI, -7.72 to -0.34; I2 = 67%; P = .03). Complications related to the procedure, peridevice leak, and device-associated thrombus rates were not significantly different between the groups. CONCLUSION Zero-contrast LAAC is a feasible alternative. The success and complication rates are consistent with those of conventional LAAC. Aside from the inherent benefit of zero-contrast exposure, this technique allows a reduction in fluoroscopy time.
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Affiliation(s)
| | | | - Luis A Areiza
- Hospital Universitario Mayor, Mederi, Bogotá, Colombia
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Sonaglioni A, Grasso E, Nicolosi GL, Lombardo M. Modified Haller Index is inversely associated with asymptomatic status in atrial fibrillation patients undergoing electrical cardioversion: a preliminary observation. Minerva Cardiol Angiol 2024; 72:190-203. [PMID: 38127440 DOI: 10.23736/s2724-5683.23.06446-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
BACKGROUND No previous study evaluated the possible influence of chest wall conformation on symptoms perception in atrial fibrillation (AF) patients candidates for electrical cardioversion (ECV). We aimed at evaluating the anthropometric and clinical characteristics of patients with persistent AF undergoing ECV, categorized according to the presence or absence of symptoms. METHODS This study retrospectively analyzed a series of persistent AF patients scheduled for early ECV who underwent pre-procedural clinical evaluation, MHI (the ratio of chest transverse diameter over the distance between sternum and spine) assessment, transthoracic and transesophageal echocardiography implemented with strain analysis of both left atrium and left atrial appendage. Thromboembolic risk and burden of comorbidities were assessed by CHA2DS2-VASc Score and Charlson Comorbidity Index (CCI), respectively. The independent predictors of "asymptomatic AF" were assessed. RESULTS A total of 25 asymptomatic and 90 symptomatic AF patients were retrospectively examined. Compared to symptomatic AF patients, those asymptomatic were significantly older (78.4±3.8 vs. 71.0±7.7 years, P<0.001), predominantly males (84 vs. 44.4%, P<0.001), with significantly lower MHI (2.0±0.1 vs. 2.4±0.1, P<0.001), higher CHA2DS2-VASc Score (5.8±1.1 vs. 3.6±1.1, P<0.001) and CCI (6.8±1.4 vs. 2.3±0.9, P<0.001), and greater impairment in biventricular systolic function and atrio-auricolar myocardial strain indices. On multivariate logistic regression analysis, CHA2DS2-VASc Score (OR=2.65, 95% CI: 1.53-4.60) and CCI (OR=2.36, 95% CI: 1.16-4.66) were linearly associated with the endpoint "asymptomatic AF," whereas MHI (OR 0.76, 95% CI 0.59-0.97) was inversely associated with the asymptomatic status. A MHI <2.2 was the best cut-off for detecting asymptomatic AF patients. CONCLUSIONS MHI is inversely associated with asymptomatic status in persistent AF patients undergoing ECV. MHI assessment might represent an innovative practical approach to AF patients.
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Affiliation(s)
| | - Enzo Grasso
- Division of Cardiology, IRCCS MultiMedica, Milan, Italy
| | - Gian L Nicolosi
- Division of Cardiology, Policlinico San Giorgio, Pordenone, Italy
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MA CS, WU SL, LIU SW, HAN YL. Chinese Guidelines for the Diagnosis and Management of Atrial Fibrillation. J Geriatr Cardiol 2024; 21:251-314. [PMID: 38665287 PMCID: PMC11040055 DOI: 10.26599/1671-5411.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2024] Open
Abstract
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, significantly impacting patients' quality of life and increasing the risk of death, stroke, heart failure, and dementia. Over the past two decades, there have been significant breakthroughs in AF risk prediction and screening, stroke prevention, rhythm control, catheter ablation, and integrated management. During this period, the scale, quality, and experience of AF management in China have greatly improved, providing a solid foundation for the development of guidelines for the diagnosis and management of AF. To further promote standardized AF management, and apply new technologies and concepts to clinical practice in a timely and comprehensive manner, the Chinese Society of Cardiology of the Chinese Medical Association and the Heart Rhythm Committee of the Chinese Society of Biomedical Engineering have jointly developed the Chinese Guidelines for the Diagnosis and Management of Atrial Fibrillation. The guidelines have comprehensively elaborated on various aspects of AF management and proposed the CHA2DS2-VASc-60 stroke risk score based on the characteristics of AF in the Asian population. The guidelines have also reevaluated the clinical application of AF screening, emphasized the significance of early rhythm control, and highlighted the central role of catheter ablation in rhythm control.
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Hawkins NM, Wiebe N, Andrade JG, Sandhu RK, Ezekowitz JA, Kaul P, Tonelli M, McAlister FA. Kidney function monitoring and trajectories in patients with atrial fibrillation. Clin Exp Nephrol 2023; 27:981-989. [PMID: 37578638 DOI: 10.1007/s10157-023-02389-z] [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: 07/08/2022] [Accepted: 07/24/2023] [Indexed: 08/15/2023]
Abstract
BACKGROUND Atrial fibrillation (AF) and chronic kidney disease (CKD) frequently co-exist. The frequency of kidney monitoring and range of kidney function in patients with AF in clinical practice are uncertain. METHODS All adult Albertans with AF between 2008 and 2017 were identified using ICD-9 and -10 codes 427.3 and I48. Kidney Disease Improving Global Outcomes (KDIGO) risk categories were defined using eGFR by the Chronic Kidney Disease Epidemiology Collaborative equation and albuminuria results within 6 months of eGFR measurement. eGFR trajectories were compared from baseline to maximum value within the following year. RESULTS Among 105,946 patients with AF, 16.0% were KDIGO category G1 (eGFR ≥ 90), 49.0% G2 (60-89.9), 19.8% G3a (45-59.9), 11.4% G3b (30-44.9), and G4 3.8% (15-29.9). Albuminuria was normal/mild 83.4%, moderate 11.7%, and severe 4.9%. Kidney monitoring was more common among people with lower eGFR and worse albuminuria, from approximately twice annually for G1-2/A1-2 to 8 times annually in stage G4A3. Approximately 60-80% of patients received guideline-recommended monitoring, consistent across KDIGO stages. With lower baseline eGFR, annual change in eGFR decreased while the relative proportion of patients who worsened compared to improved increased: for baseline eGFR 60-89.9, 16.7% worsened vs 6.7% improved, but for eGFR 30-44.9, 8.8% worsened but only 1.0% improved. CONCLUSION The frequency of kidney function monitoring in patients with AF increased with worsening KDIGO risk category and adhered to KDIGO guidelines in approximately three quarters of patients. A minority of patients had moderate to severe eGFR impairment, of whom most remained stable over 1 year.
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Affiliation(s)
- Nathaniel M Hawkins
- Centre for Cardiovascular Innovation, University of British Columbia, 2775 Laurel Street, 9th Floor, Room 9123, Vancouver, BC, V5Z 1M9, Canada.
| | - Natasha Wiebe
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Jason G Andrade
- Centre for Cardiovascular Innovation, University of British Columbia, 2775 Laurel Street, 9th Floor, Room 9123, Vancouver, BC, V5Z 1M9, Canada
| | - Roopinder K Sandhu
- Smidt Heart Institute, Cedars-Sinai Medical Centre, Los Angeles, CA, USA
- Canadian Vigour Centre, University of Alberta, Edmonton, AB, Canada
| | - Justin A Ezekowitz
- Canadian Vigour Centre, University of Alberta, Edmonton, AB, Canada
- Division of Cardiology and Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada
| | - Padma Kaul
- Canadian Vigour Centre, University of Alberta, Edmonton, AB, Canada
- Division of Cardiology and Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada
| | | | - Finlay A McAlister
- Division of Cardiology and Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada
- Division of General Internal Medicine, University of Alberta, Edmonton, AB, Canada
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Niehues P, Wolfes J, Wegner FK, Ellermann C, Rath B, Eckardt L. Use of direct oral anticoagulants in patients on chronic hemodialysis: Contemporary appraisal on the role for patients with atrial fibrillation. Trends Cardiovasc Med 2023:S1050-1738(23)00106-8. [PMID: 38043918 DOI: 10.1016/j.tcm.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 11/08/2023] [Accepted: 11/26/2023] [Indexed: 12/05/2023]
Abstract
Atrial fibrillation (AF) is common in patients with chronic kidney disease (CKD) undergoing hemodialysis and in this patient population, management in terms of oral anticoagulation (OAC) presents unique challenges due to the increased risk of both thromboembolic events and bleeding complications. The attributable risk of AF for stroke may differ from patients without CKD, raising the question if OAC is indicated at all. Historically, vitamin K antagonists (VKA) have been the standard treatment for anticoagulation in AF; however, direct oral anticoagulants (DOACs) have emerged as an alternative therapeutic option, whereby data from prospective randomised trials with hemodialysis patients is limited resulting in great variability of practice and guideline recommendations. This review summarizes existing data sources regarding the use and benefit of oral anticoagulation with VKA and DOAC in hemodialysis patients.
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Affiliation(s)
- Philipp Niehues
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany
| | - Julian Wolfes
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany
| | - Felix K Wegner
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany
| | - Christian Ellermann
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany
| | - Benjamin Rath
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany
| | - Lars Eckardt
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster 48149, Germany.
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Escobar-Cervantes C, Reino AP, Díez-Villanueva P, Facila L, Freixa-Pamias R, Valle A, Almendro-Delia M, Bonanad C, Vivas D, Suarez C. Should atrial fibrillation be considered a vascular disease? The need for a comprehensive vascular approach. Expert Rev Cardiovasc Ther 2023; 21:779-790. [PMID: 37874226 DOI: 10.1080/14779072.2023.2272652] [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: 09/06/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023]
Abstract
INTRODUCTION Atrial fibrillation (AF) cannot be considered an isolated disease. Patients with AF should be managed using a comprehensive approach that is not limited to stroke prevention. AREAS COVERED In this manuscript, the potential role of AF as a vascular disease that is managed as part of a holistic approach was reviewed. EXPERT OPINION The residual risk of stroke in patients with AF reaches 1-2% annually, despite appropriate anticoagulation therapy. Additionally, patients with AF may develop cognitive impairment through stroke-independent pathways. Furthermore, patients with AF may have a higher risk of developing atherosclerotic vascular disease in various vascular beds and chronic kidney disease; conversely, patients with atherosclerotic disease may have an increased risk of developing AF. AF should be considered a truly systemic vascular disease, since it brings together several hemodynamic and systemic changes, including inflammation, oxidative stress, activation of the renin-angiotensin-aldosterone and sympathetic systems, as well as a prothrombotic state and endothelial dysfunction. In this regard, patients with AF should be treated based on a holistic approach that is not limited to oral anticoagulation but includes complete vascular protection.
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Affiliation(s)
| | - Antonio Pose Reino
- Hypertension and vascular risk unit, Internal Medicine Service, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain
| | | | - Lorenzo Facila
- Cardiology Department, Hospital General de Valencia, Universitat de Valencia, Valencia,Spain
| | | | - Alfonso Valle
- Cardiology department, Hospital de Denia, Alicante, Spain
| | - Manuel Almendro-Delia
- Intensive Cardiovascular Care Unit, Cardiovascular Clinical Trials & Translational Research Unit, Cardiology and Cardiovascular Surgery Division, Virgen Macarena University Hospital, Sevilla, Spain
| | - Clara Bonanad
- Cardiology Department, Hospital Clínico Universitario de Valencia, Valencia, Spain
- Medicine Department, Faculty of Medicine of the University of Valencia, Valencia, Spain
- Cardiology Section, Health Research Institute of the Valencia Clinical Hospital (INCLIVA), Valencia, Spain
| | - David Vivas
- Cardiology Department, Instituto Cardiovascular Hospital Clínico San Carlos, Madrid, Spain
| | - Carmen Suarez
- Internal Medicine Service, Hospital Universitario de La Princesa, Madrid, Spain
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Dhaese SAM, De Vriese AS. Oral Anticoagulation in Patients With Advanced Chronic Kidney Disease and Atrial Fibrillation: Beyond Anticoagulation. Mayo Clin Proc 2023; 98:750-770. [PMID: 37028979 DOI: 10.1016/j.mayocp.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 12/14/2022] [Accepted: 01/06/2023] [Indexed: 04/09/2023]
Abstract
The optimal approach to prevent stroke and systemic embolism in patients with advanced chronic kidney disease (CKD) and atrial fibrillation remains unresolved. We conducted a narrative review to explore areas of uncertainty and opportunities for future research. First, the relationship between atrial fibrillation and stroke is more complex in patients with advanced CKD than in the general population. The currently employed risk stratification tools do not adequately discriminate between patients deriving a net benefit and those suffering a net harm from oral anticoagulation. Anticoagulation initiation should probably be more restrictive than is currently advocated by official guidelines. Recent evidence reveals that the superior benefit-risk profile of non-vitamin K antagonist oral anticoagulants (NOACs) vs vitamin K antagonists (VKAs) observed in the general population and in moderate CKD can be extended to advanced CKD. The NOACs yield better protection against stroke, cause less major bleeding, are associated with less acute kidney injury and a slower decline of CKD, and are associated with a lower incidence of cardiovascular events than VKAs. The VKAs may be harmful in CKD patients, in particular in patients with a high bleeding risk and labile international normalized ratio. The better safety and efficacy of NOACs as opposed to VKAs may be particularly evident in advanced CKD as a result of better on-target anticoagulation with NOACs, harmful off-target vascular effects of VKAs, and beneficial off-target vascular effects of NOACs. The intrinsic vasculoprotective effects of NOACs are supported by animal experimental evidence as well as by findings of large clinical trials and may result in use of NOACs beyond their anticoagulant properties.
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Affiliation(s)
- Sofie A M Dhaese
- Division of Nephrology and Infectious Diseases, AZ Sint-Jan Brugge, Brugge, Belgium, and Department of Internal Medicine, Ghent University, Ghent, Belgium
| | - An S De Vriese
- Division of Nephrology and Infectious Diseases, AZ Sint-Jan Brugge, Brugge, Belgium, and Department of Internal Medicine, Ghent University, Ghent, Belgium.
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Liampas E, Kartas A, Samaras A, Papazoglou AS, Moysidis DV, Vrana E, Botis M, Papanastasiou A, Baroutidou A, Vouloagkas I, Karagiannidis E, Akrivos E, Tsalikakis D, Fyntanidou V, Karvounis H, Tzikas A, Giannakoulas G. Renal function and mortality in patients with atrial fibrillation. J Cardiovasc Med (Hagerstown) 2022; 23:430-438. [PMID: 35763763 DOI: 10.2459/jcm.0000000000001308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIM The aim of this study is to examine the association of the presence of chronic kidney disease (CKD) and estimated glomerular filtration rate (eGFR) values with mortality in patients with atrial fibrillation. METHODS This posthoc analysis of a randomized controlled trial consisted of hospitalized patients with atrial fibrillation who were followed up for a median of 2.7 years after discharge. Kaplan-Meier curves, multivariate Cox-regression and spline curves were utilized to assess the association of CKD, CKD stages 2-5 according to the KDOQI guidelines, and the continuum of eGFR values with the primary outcome of all-cause death, and the secondary outcome of cardiovascular mortality. RESULTS Out of 1064 hospitalized patients with atrial fibrillation, 465 (43.7%) had comorbid CKD. The presence of CKD was associated with an increased risk for both all-cause and cardiovascular mortality following hospitalization [adjusted hazard ratio (aHR): 1.60; 95% confidence intervals (95% CIs): 1.25-2.05 and aHR: 1.74; 95% CI: 1.30-2.33, respectively]. The aHRs for all-cause mortality in CKD stages 2-5, as compared with CKD stage 1 were 2.18, 2.62, 4.20 and 3.38, respectively (all P < 0.05). In spline curve analyses, eGFR values lower than 50 ml/min/1.73 m2 were independent predictors of higher all-cause and cardiovascular mortality. CONCLUSION In recently hospitalized patients with atrial fibrillation, the presence of CKD was independently associated with decreased survival, which was significant across CKD stages 2-5, as compared with CKD stage 1. Values of eGFR lower than 50 ml/min/1.73 m2 were incrementally associated with worse prognosis.
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Affiliation(s)
| | | | | | | | | | - Eleni Vrana
- First Department of Cardiology, AHEPA University Hospital
| | - Michail Botis
- First Department of Cardiology, AHEPA University Hospital
| | | | | | | | | | | | - Dimitrios Tsalikakis
- Laboratory of Computing, Medical Informatics and Biomedical Imaging Technologies, School of Medicine
| | - Varvara Fyntanidou
- Anesthesiology Department, AHEPA University Hospital, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki
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Ding WY, Potpara TS, Blomström-Lundqvist C, Boriani G, Marin F, Fauchier L, Lip GYH. Impact of renal impairment on atrial fibrillation: ESC-EHRA EORP-AF Long-Term General Registry. Eur J Clin Invest 2022; 52:e13745. [PMID: 35000206 PMCID: PMC9287022 DOI: 10.1111/eci.13745] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/29/2021] [Accepted: 01/05/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND Atrial fibrillation (AF) and renal impairment share a bidirectional relationship with important pathophysiological interactions. We evaluated the impact of renal impairment in a contemporary cohort of patients with AF. METHODS We utilised the ESC-EHRA EORP-AF Long-Term General Registry. Outcomes were analysed according to renal function by CKD-EPI equation. The primary endpoint was a composite of thromboembolism, major bleeding, acute coronary syndrome and all-cause death. Secondary endpoints were each of these separately including ischaemic stroke, haemorrhagic event, intracranial haemorrhage, cardiovascular death and hospital admission. RESULTS A total of 9306 patients were included. The distribution of patients with no, mild, moderate and severe renal impairment at baseline were 16.9%, 49.3%, 30% and 3.8%, respectively. AF patients with impaired renal function were older, more likely to be females, had worse cardiac imaging parameters and multiple comorbidities. Among patients with an indication for anticoagulation, prescription of these agents was reduced in those with severe renal impairment, p < .001. Over 24 months, impaired renal function was associated with significantly greater incidence of the primary composite outcome and all secondary outcomes. Multivariable Cox regression analysis demonstrated an inverse relationship between eGFR and the primary outcome (HR 1.07 [95% CI, 1.01-1.14] per 10 ml/min/1.73 m2 decrease), that was most notable in patients with eGFR <30 ml/min/1.73 m2 (HR 2.21 [95% CI, 1.23-3.99] compared to eGFR ≥90 ml/min/1.73 m2 ). CONCLUSION A significant proportion of patients with AF suffer from concomitant renal impairment which impacts their overall management. Furthermore, renal impairment is an independent predictor of major adverse events including thromboembolism, major bleeding, acute coronary syndrome and all-cause death in patients with AF.
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Affiliation(s)
- Wern Yew Ding
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Tatjana S Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia.,Intensive Arrhythmia Care, Cardiology Clinic, Clinical Center of Serbia, Belgrade, Serbia
| | | | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, University of Murcia, CIBERCV, Murcia, Spain
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau, Tours, France
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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11
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Calderon JM, Martinez F, Fernandez A, Sauri I, Diaz J, Uso R, Trillo JL, Redon J, Forner MJ. Real world data of anticoagulant treatment in non-valvular atrial fibrillation across renal function status. Sci Rep 2022; 12:6123. [PMID: 35414001 PMCID: PMC9005546 DOI: 10.1038/s41598-022-10164-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 03/22/2022] [Indexed: 11/09/2022] Open
Abstract
The objective is to assess the impact of anticoagulant treatment in non-valvular atrial fibrillation (AF) and different categories of renal dysfunction in real world. Electronic Health recordings of patients with diagnosis of AF and renal function collected throughout 5 years and classified according to KDIGO categories. Stroke, transitory ischemic attack (TIA), intracranial hemorrhage and all-cause mortality were identified. Anticoagulant treatments during the study period were classified in untreated (never received therapy), VKA, NOAC and Aspirin. The risk of events was calculated by Cox-proportional hazard models adjusted by confounders. A total of 65,734 patients with AF, mean age 73.3 ± 10.49 years old and 47% females and follow-up of 3.2 years were included. KDIGO classification were: G1 33,903 (51.6%), G2 17,456 (26.6%), G3 8024 (12.2%) and G4 6351 (9.7%). There were 8592 cases of stroke and TIA, 437 intracranial hemorrhage, and 9603 all-cause deaths (incidence 36, 2 and 38 per 103 person/year, respectively). 4.1% of patients with CHA2DS2-VASc Score 2 or higher did not receive anticoagulant therapy. Risk of stroke, TIA, and all-cause mortality increased from G1 to G4 groups. Anticoagulant treatments reduced the risk of events in the four categories, but NOAC seemed to offer significantly better protection. Renal dysfunction increases the risk of events in AF and anticoagulant treatments reduced the risk of stroke and all-cause mortality, although NOAC were better than VKA. Efforts should be done to reduce the variability in the use of anticoagulants even in this high risk group.
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Affiliation(s)
- Jose Miguel Calderon
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Fernando Martinez
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
- Internal Medicine Hospital Clínico de Valencia, Valencia, Spain
| | - Antonio Fernandez
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Inmaculada Sauri
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Javier Diaz
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Ruth Uso
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Jose Luis Trillo
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
| | - Josep Redon
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain.
- Internal Medicine Hospital Clínico de Valencia, Valencia, Spain.
- CIBERObn Carlos III Institute, Madrid, Spain.
| | - Maria Jose Forner
- Cardiovascular and Renal Research Group, INCLIVA Research Institute, University of Valencia, Avda Blasco Ibañez, 17, 46010, Valencia, Spain
- Internal Medicine Hospital Clínico de Valencia, Valencia, Spain
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Wang J, Zhang T, Yang YM, Zhu J, Zhang H, Shao XH. Relationship between creatinine clearance and clinical outcomes in Chinese emergency patients with atrial fibrillation. Ann Noninvasive Electrocardiol 2022; 27:e12942. [PMID: 35239203 PMCID: PMC9107078 DOI: 10.1111/anec.12942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/01/2022] [Indexed: 12/02/2022] Open
Abstract
Background Few real‐world data on the relation between creatinine clearance (CrCl) and adverse clinical outcomes in Chinese emergency department (ED) patients with nonvalvular atrial fibrillation (AF). Methods In this prospective, observational, multicenter AF study, enrolled AF patients presenting to an ED at 20 hospitals in China from November 2008 to October 2011, with a follow‐up of 12 month. A total of 863 AF patients with CrCl data were analyzed, and patients were categorized as CrCl ≥ 80, 50 ≤ CrCl < 80, 30 ≤ CrCl < 50, and CrCl < 30(ml/min). Outcomes of analyses were all‐cause death, cardiovascular death, thromboembolism (TE), and major bleeding. Results Among the whole patients, 126(14.6%) patients died during 12‐month follow‐up, 53(40.2%) among CrCl < 30 ml/min group, and 48(16.2%), 22(6.5%), and 3(3.2%) among 30 ≤ CrCl50, 50 ≤ Crl < 80, and CrCl ≥ 80 ml/min groups, respectively (p < 0.001). Cardiovascular death and TE rates also increased with decreasing CrCl. On multivariate analysis, patients with CrCl < 30 ml/min were associated with higher risks of all‐cause death (HR 5.567; 95%CI1.618–19.876; p = .007) and higher cardiovascular death (HR11.939; 95%CI1.439–99.031; p = .022) as compared with CrCl≥80 ml/min category. Nevertheless, for TE and major bleeding risk, CrCl groups showed no significant difference after adjustment for variables in CHA2DS2‐VASc score and status of warfarin prescription in our cohort. Conclusions In Chinese ED nonvalvular AF patients, incidence rates of death increased with reducing CrCl across the whole range of renal function. CrCl < 30 ml/min was associated with all‐cause death, cardiovascular death, but not for TE and major bleeding.
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Affiliation(s)
- Juan Wang
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Zhang
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yan-Min Yang
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,National Clinical Research Center of Cardiovascular Diseases, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jun Zhu
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Han Zhang
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xing-Hui Shao
- Emergency Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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13
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Chronic kidney disease and risks of adverse clinical events in patients with atrial fibrillation. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2021; 18:867-876. [PMID: 34908924 PMCID: PMC8648544 DOI: 10.11909/j.issn.1671-5411.2021.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) is highly prevalent in patients with atrial fibrillation (AF). However, the association between CKD and clinical consequences in AF patients is still under debate. METHODS We included 19,079 nonvalvular AF patients with available estimated glomerular filtration rate (eGFR) values in the Chinese Atrial Fibrillation Registry from 2011 to 2018. Patients were classified into no CKD (eGFR ≥ 90 mL/min per 1.73 m2), mild CKD (60 ≤ eGFR < 90 mL/min per 1.73 m 2), moderate CKD (30 ≤ eGFR < 60 mL/min per 1.73 m 2), and severe CKD (eGFR < 30 mL/min per 1.73 m 2) groups. The risks of thromboembolism, major bleeding, and cardiovascular mortality were estimated with Fine-Gray regression analysis according to CKD status. Cox regression was performed to assess the risk of all-cause mortality associated with CKD. RESULTS Over a mean follow-up of 4.1 ± 1.9 years, there were 985 thromboembolic events, 414 major bleeding events, 956 cardiovascular deaths, and 1,786 all-cause deaths. After multivariate adjustment, CKD was not an independent risk factor of thromboembolic events. As compared to patients with no CKD, those with mild CKD, moderate CKD, and severe CKD had a 45%, 47%, and 133% higher risk of major bleeding, respectively. There was a graded increased risk of cardiovascular mortality associated with CKD status compared with no CKD group: adjusted hazard ratio [HR] was 1.34 (95% CI: 1.07-1.68,P = 0.011) for mild CKD group, 2.17 (95% CI: 1.67-2.81,P < 0.0001) for moderate CKD group, and 2.95 (95% CI: 1.97-4.41, P < 0.0001) for severe CKD group, respectively. Risk of all-cause mortality also increased among patients with moderate or severe CKD. CONCLUSIONS CKD status was independently associated with progressively higher risks of major bleeding and mortality, but didn't seem to be an independent predictor of thromboembolism in AF patients.
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14
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Laville SM, Lambert O, Hamroun A, Metzger M, Jacquelinet C, Laville M, Frimat L, Fouque D, Combe C, Ayav C, Pecoits‐Filho R, Stengel B, Massy ZA, Liabeuf S. Consequences of oral antithrombotic use in patients with chronic kidney disease. Clin Transl Sci 2021; 14:2242-2253. [PMID: 34080321 PMCID: PMC8604253 DOI: 10.1111/cts.13084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/07/2021] [Accepted: 04/30/2021] [Indexed: 11/29/2022] Open
Abstract
We assessed the risks of bleeding, acute kidney injury (AKI), and kidney failure associated with the prescription of antithrombotic agents (oral anticoagulants and/or antiplatelet agents) in patients with moderate-to-advanced chronic kidney disease (CKD). CKD-REIN is a prospective cohort of 3022 nephrology outpatients with CKD stages 2-5 at baseline. We used cause-specific Cox proportional hazard models to estimate hazard ratios (HRs) for bleeding (identified through hospitalizations), AKI, and kidney failure. Prescriptions of oral antithrombotics were treated as time-dependent variables. At baseline, 339 (11%) patients (65% men; 69 [60-76] years) were prescribed oral anticoagulants only, 1095 (36%) antiplatelets only, and 101 (3%) both type of oral antithrombotics. Over a median (interquartile range [IQR]) follow-up period of 3.0 (IQR, 2.8-3.1) years, 152 patients experienced a bleeding event, 414 patients experienced an episode of AKI, and 270 experienced kidney failure. The adjusted HRs (95% confidence interval [95% CI]) for bleeding associated with prescriptions of antiplatelets only, oral anticoagulants only, and antiplatelet + oral anticoagulant were, respectively, 0.74 (95% CI, 0.46-1.19), 2.38 (95% CI, 1.45-3.89), and 3.96 (95% CI, 2.20-7.12). An increased risk of AKI risk was associated with the prescription of oral anticoagulants (adjusted HR, 1.90, 95% CI, 1.47-2.45) but not the prescription of antiplatelets (HR, 1.24, 95% CI, 0.98-1.56). Kidney failure was not associated with the prescription of oral antithrombotics of any type. This study confirms the high risk of AKI associated with oral anticoagulants prescription in patients with CKD and also highlights the potential aggravating effect of combining vitamin K antagonist (VKA) and antiplatelets on the risk of bleeding.
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Affiliation(s)
- Solène M. Laville
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
| | - Oriane Lambert
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
| | - Aghiles Hamroun
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
- Nephrology DepartmentCHRU LilleUniversity of LilleLilleFrance
| | - Marie Metzger
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
| | | | | | - Luc Frimat
- Nephrology DepartmentCHRU de NancyVandoeuvre‐lès‐NancyFrance
- APEMACLorraine UniversityVandoeuvre‐lès‐NancyFrance
| | - Denis Fouque
- Nephrology DepartmentCentre Hospitalier Lyon SudUniversité de LyonCarmen, Pierre‐BéniteFrance
| | - Christian Combe
- Service de Néphrologie Transplantation Dialyse AphérèseCentre Hospitalier Universitaire de BordeauxBordeauxFrance
- INSERMU1026Univ Bordeaux SegalenBordeauxFrance
| | - Carole Ayav
- APEMACLorraine UniversityVandoeuvre‐lès‐NancyFrance
| | | | - Bénédicte Stengel
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
| | - Ziad A. Massy
- Centre for Research in Epidemiology and Population Health (CESP)Paris‐Saclay UniversityVersailles Saint Quentin UniversityINSERM UMRS 1018VillejuifFrance
- Department of NephrologyAPHPAmbroise Paré University HospitalBoulogne‐Billancourt/ParisFrance
| | - Sophie Liabeuf
- Department of Clinical PharmacologyAmiens University HospitalAmiensFrance
- MP3CV LaboratoryEA7517University of Picardie Jules VerneAmiensFrance
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15
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Hindricks G, Potpara T, Dagres N, Arbelo E, Bax JJ, Blomström-Lundqvist C, Boriani G, Castella M, Dan GA, Dilaveris PE, Fauchier L, Filippatos G, Kalman JM, Meir ML, Lane DA, Lebeau JP, Lettino M, Lip GY, Pinto FJ, Neil Thomas G, Valgimigli M, Van Gelder IC, Van Putte BP, Watkins CL. Guía ESC 2020 sobre el diagnóstico y tratamiento de la fibrilación auricular, desarrollada en colaboración de la European Association of Cardio-Thoracic Surgery (EACTS). Rev Esp Cardiol 2021. [DOI: 10.1016/j.recesp.2020.10.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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16
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Su X, Yan B, Wang L, Lv J, Cheng H, Chen Y. Oral Anticoagulant Agents in Patients With Atrial Fibrillation and CKD: A Systematic Review and Pairwise Network Meta-analysis. Am J Kidney Dis 2021; 78:678-689.e1. [PMID: 33872690 DOI: 10.1053/j.ajkd.2021.02.328] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 02/02/2021] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To evaluate the relative efficacy and safety of different oral anticoagulant agents (OACs) for patients with atrial fibrillation (AF) and chronic kidney disease (CKD). STUDY DESIGN Systematic review and pairwise and Bayesian network meta-analysis. SETTING & STUDY POPULATIONS Adult patients with AF and CKD stages 3-5D who received OACs. SELECTION CRITERIA FOR STUDIES Randomized controlled trials (RCTs) and observational studies that reported the efficacy and safety outcomes of subgroups with a glomerular filtration rate (GFR)<60mL/min. DATA EXTRACTION Two reviewers independently abstracted data, assessed study quality, and rated the strength of evidence (SOE). ANALYTICAL APPROACH Random-effects models using restricted maximum-likelihood methods were fit for the pairwise meta-analyses as well as a network meta-analysis within a Bayesian framework. RESULTS Pairwise meta-analysis including 8 RCTs and 46 observational studies showed that direct OACs (DOACs) were superior to warfarin in preventing thromboembolic events (hazard ratio [HR], 0.86 [95% CI, 0.78-0.95]), without heterogeneity (I2=10.5%), and in reducing the risk of bleeding events (HR, 0.81 [95% CI, 0.66-0.99]), with substantial heterogeneity (I2=69.8%), in patients with AF and a GFR of 15-60mL/min. Bayesian network meta-analysis including 8 RCTs showed that dose-adjusted apixaban and a 15-mg dose of edoxaban were superior to the other OAC regimens in reducing bleeding events. Dose-adjusted apixaban was more effective than edoxaban in preventing thromboembolic events for patients with AF and GFR in the range of 25-50 or 30-50mL/min. In dialysis recipients with AF, the use of OACs increased the risk of bleeding events by 28% (HR, 1.28 [95% CI, 1.03-1.60]) without significant beneficial effects versus not using anticoagulants. LIMITATIONS Low SOE and heterogeneity in most comparisons. CONCLUSIONS This study suggests that DOACs are superior to warfarin for the prevention of thromboembolic events and reduction in bleeding risk in patients with AF and mild to moderate kidney disease. However, the low SOE limits the conclusions that can be drawn about the preferred DOAC. Notably, the use of OACs may increase bleeding risk without significant benefits in dialysis recipients with AF. REGISTRATION Registered at PROSPERO with identification number CRD42018090896.
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Affiliation(s)
- Xiaole Su
- Division of Nephrology, Beijing Anzhen Hospital, Capital Medical University; Division of Nephrology, Shanxi Medical University Second Hospital, Shanxi Kidney Disease Institute, Taiyuan, China
| | - Bingjuan Yan
- Division of Nephrology, Shanxi Medical University Second Hospital, Shanxi Kidney Disease Institute, Taiyuan, China
| | - Lihua Wang
- Division of Nephrology, Shanxi Medical University Second Hospital, Shanxi Kidney Disease Institute, Taiyuan, China
| | - Jicheng Lv
- Division of Nephrology, Peking University First Hospital, Peking University Institute of Nephrology, Beijing
| | - Hong Cheng
- Division of Nephrology, Beijing Anzhen Hospital, Capital Medical University
| | - Yipu Chen
- Division of Nephrology, Beijing Anzhen Hospital, Capital Medical University.
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17
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Gomez-Fernández P, Martín Santana A, Arjona Barrionuevo JDD. Oral anticoagulation in chronic kidney disease with atrial fibrillation. Nefrologia 2021; 41:137-153. [PMID: 36165375 DOI: 10.1016/j.nefroe.2021.04.005] [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: 02/03/2020] [Accepted: 08/11/2020] [Indexed: 06/16/2023] Open
Abstract
Chronic kidney disease (CKD) and atrial fibrillation (AF) frequently coexist, amplifying the risk of cardiovascular events and mortality. In patients with CKD stage 3 and non-valvular AF, direct oral anticoagulants (DOACs) have shown, compared to vitamin K antagonists (VKA), equal or greater efficacy in the prevention of stroke and systemic embolism, and greater safety. There are no randomizedtrials of the efficacy and safety of DOACs and VKA in advanced CKD. On the other hand, observational studies suggest that DOACs, compared to warfarin, are associated with a lower risk of acute kidney damage and generation/progression of CKD. This paper reviews the epidemiological and pathophysiological aspects of the CKD and AF association, the evidence of the efficacy and safety of warfarin and ACODs in various stages of CKD with AF as well as the comparison between warfarin and ACODs in efficacy and anticoagulant safety, and in its renal effects.
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Affiliation(s)
- Pablo Gomez-Fernández
- Unidad de Factores de Riesgo Vascular, Servicio de Nefrología, Hospital Universitario de Jerez, Jerez de la Frontera, Cádiz, Spain.
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18
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Hindricks G, Potpara T, Dagres N, Arbelo E, Bax JJ, Blomström-Lundqvist C, Boriani G, Castella M, Dan GA, Dilaveris PE, Fauchier L, Filippatos G, Kalman JM, La Meir M, Lane DA, Lebeau JP, Lettino M, Lip GYH, Pinto FJ, Thomas GN, Valgimigli M, Van Gelder IC, Van Putte BP, Watkins CL. 2020 ESC Guidelines for the diagnosis and management of atrial fibrillation developed in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS): The Task Force for the diagnosis and management of atrial fibrillation of the European Society of Cardiology (ESC) Developed with the special contribution of the European Heart Rhythm Association (EHRA) of the ESC. Eur Heart J 2021; 42:373-498. [PMID: 32860505 DOI: 10.1093/eurheartj/ehaa612] [Citation(s) in RCA: 5293] [Impact Index Per Article: 1764.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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19
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Magnocavallo M, Bellasi A, Mariani MV, Fusaro M, Ravera M, Paoletti E, Di Iorio B, Barbera V, Della Rocca DG, Palumbo R, Severino P, Lavalle C, Di Lullo L. Thromboembolic and Bleeding Risk in Atrial Fibrillation Patients with Chronic Kidney Disease: Role of Anticoagulation Therapy. J Clin Med 2020; 10:jcm10010083. [PMID: 33379379 PMCID: PMC7796391 DOI: 10.3390/jcm10010083] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 12/17/2022] Open
Abstract
Atrial fibrillation (AF) and chronic kidney disease (CKD) are strictly related; several independent risk factors of AF are often frequent in CKD patients. AF prevalence is very common among these patients, ranging between 15% and 20% in advanced stages of CKD. Moreover, the results of several studies showed that AF patients with end stage renal disease (ESRD) have a higher mortality rate than patients with preserved renal function due to an increased incidence of stroke and an unpredicted elevated hemorrhagic risk. Direct oral anticoagulants (DOACs) are currently contraindicated in patients with ESRD and vitamin K antagonists (VKAs), remaining the only drugs allowed, although they show numerous critical issues such as a narrow therapeutic window, increased tissue calcification and an unfavorable risk/benefit ratio with low stroke prevention effect and augmented risk of major bleeding. The purpose of this review is to shed light on the applications of DOAC therapy in CKD patients, especially in ESRD patients.
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Affiliation(s)
- Michele Magnocavallo
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Policlinico Universitario Umberto I, Sapienza University of Rome, 00161 Rome, Italy; (M.M.); (M.V.M.); (P.S.); (C.L.)
| | - Antonio Bellasi
- Department of Research, Innovation and Brand Reputation, ASST-Papa Giovanni XXIII, 24127 Bergamo, Italy;
| | - Marco Valerio Mariani
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Policlinico Universitario Umberto I, Sapienza University of Rome, 00161 Rome, Italy; (M.M.); (M.V.M.); (P.S.); (C.L.)
| | - Maria Fusaro
- National Council of Research, Institute of Clinical Physiology, 56124 Pisa, Italy;
| | - Maura Ravera
- Nefrologia, Dialisi e Trapianto, Policlinico San Martino, 16132 Genova, Italy; (M.R.); (E.P.)
| | - Ernesto Paoletti
- Nefrologia, Dialisi e Trapianto, Policlinico San Martino, 16132 Genova, Italy; (M.R.); (E.P.)
| | - Biagio Di Iorio
- Department of Nephrology and Dialysis, Moscati Hospital, 83100 Avellino, Italy;
| | - Vincenzo Barbera
- Department of Nephrology and Dialysis, Parodi-Delfino Hospital, 00034 Colleferro, Italy;
| | | | - Roberto Palumbo
- Department of Nephrology and Dialysis, Sant’Eugenio Hospital, 00144 Rome, Italy;
| | - Paolo Severino
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Policlinico Universitario Umberto I, Sapienza University of Rome, 00161 Rome, Italy; (M.M.); (M.V.M.); (P.S.); (C.L.)
| | - Carlo Lavalle
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Policlinico Universitario Umberto I, Sapienza University of Rome, 00161 Rome, Italy; (M.M.); (M.V.M.); (P.S.); (C.L.)
| | - Luca Di Lullo
- Department of Nephrology and Dialysis, Parodi-Delfino Hospital, 00034 Colleferro, Italy;
- Correspondence: ; Fax: +39-06-972233213
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20
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Liu L, Hong D, Ma K, Lu X. Cost-effectiveness of rivaroxaban versus warfarin in non-valvular atrial fibrillation patients with chronic kidney disease in China. J Clin Pharm Ther 2020; 46:658-668. [PMID: 33226144 DOI: 10.1111/jcpt.13318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/30/2020] [Accepted: 11/04/2020] [Indexed: 11/30/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE In non-valvular atrial fibrillation (NVAF) patients with chronic kidney disease (CKD), rivaroxaban was not inferior to warfarin in preventing stroke and systemic embolism. However, a comparative evaluation of the cost-effectiveness of rivaroxaban and warfarin therapies for NVAF patients at different renal function levels has not yet been reported, and this study aimed to estimate the cost-effectiveness of rivaroxaban compared with warfarin in Chinese NVAF patients with CKD. METHODS A Markov model was constructed to estimate quality-adjusted life years (QALYs) and lifetime costs associated with the use of rivaroxaban relative to warfarin in patients with NVAF at different estimated glomerular filtration rate (eGFR) levels as follows: 30 to <50, 50 to <80 and ≥80 mL/min. Input parameters were sourced from the clinical literature. Probabilistic sensitivity analyses were performed to assess model uncertainty. RESULTS AND DISCUSSION The incrementalQALYs with rivaroxaban was slightly increased by approximately 0.3 QALY as compared with that with warfarin in all the subgroups, resulting in an ICER of $9,736/QALY (eGFR, 30 to <50 mL/min), $9,758/QALY (50 to <80 mL/min) and $9,969/QALY (≥80 mL/min). The probabilistic sensitivity analysis suggested a chance of >80% that the ICER would be lower than the willingness-to-pay threshold of three times the GDP of China in 2019 in all the subgroups. Results were consistent even under the assumption of anticoagulant discontinuation after major bleeding events. The model was most sensitive to event-free-related utility and survival rates. WHAT IS NEW AND CONCLUSION The existing evidence supports the cost-effectiveness of rivaroxaban therapy as an alternative anticoagulant to warfarin for patients with NVAF at different renal function levels.
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Affiliation(s)
- Lin Liu
- Department of Pharmacy, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, China
| | - Dongsheng Hong
- Department of Pharmacy, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, China
| | - Kuifen Ma
- Department of Pharmacy, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, China
| | - Xiaoyang Lu
- Department of Pharmacy, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, China
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21
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Krivosheeva EN, Panchenko EP, Kropacheva ES, Dobrovolsky AB, Titaeva EV, Mironov VM, Samko AN. Prediction-Determining Outcomes and Their Predictors in Atrial Fibrillation Patients Receiving Multicomponent Antithrombotic Therapy in Real Clinical Practice. ACTA ACUST UNITED AC 2020; 60:33-45. [PMID: 33155957 DOI: 10.18087/cardio.2020.8.n1123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/01/2020] [Accepted: 06/30/2020] [Indexed: 11/18/2022]
Abstract
Aim Searching for clinical, angiographic, and biochemical predictors of cardiovascular complications (CVC) and hemorrhagic complications in patients with atrial fibrillation (AF) receiving a multicomponent antithrombotic therapy (MAT) for an elective percutaneous coronary intervention (PCI). Patients with ischemic heart disease (IHD) and AF who require MAT for PCI are at a high risk of thrombotic complications (stroke, systemic embolism, coronary events) and hemorrhage. This warrants searching for new risk factors determining prediction of the outcome.Materials and methods This study included 207 patients (146 males aged 70.1±8.3 years) with IHD and AF who received direct oral anticoagulants (DOAC) as a part of their MAT therapy. Median duration of the follow-up was 12 [8.0; 12.0] months. The efficacy endpoint was a sum of CVCs combining cardiovascular death, ischemic stroke, venous thromboembolic complications, acute coronary syndrome (ACS), and requirement for an unscheduled PCI. "Coronary events", including ACS and requirement for an unscheduled PCI were analyzed separately. The safety endpoint was BARC type 2-5 bleeding. Upon admission, biomarkers (growth-differentiation factor 15 (GDF-15), D-dimer, thrombin-activated fibrinolysis inhibitor (TAFI), and plasminogen activator inhibitor-1 (PAI-1)) were measured for all patients. Searching for prognostically significant indexes was performed with the Cox proportional hazards regression.Results Incidence of all CVCs was 16.4 %. Independent predictors of CVC included the DOAC treatment at a reduced dose (odds ratio (OR) 2.5 at 95 % confidence interval (CI) 1.02-6.15; p=0.0454), GDF-15 >1191 pg /ml (OR 3.76 at 95 % CI, 1.26-11.18; p=0.0172), PAI-1 >13.2 U/ml (OR 2.67 at 95 % CI, 1.13-6,26; p=0.0245). Incidence of coronary complications was 9.2 %. Independent predictors of coronary complications included a SYNTAX index >26.5 (OR 4.5 at 95 % CI, 1.45-13.60; p=0.0090), PCI for chronic coronary occlusion (OR 3.21 at 95 % CI, 1.10-9.33; p=0.0326), a GDF-15 >1191 pg/ml (ОR 4.70 at 95 % CI, 1.32-16.81; p=0.0172). Incidence of BARC type 2-5 bleeding was 26.1 %. The only independent predictor for hemorrhage complications was the total PRECISE-DAPT score >30 (ОR 3.22; 95 % CI, 1.89-5.51; р<0.0001).Conclusion Three independent predictors of CVC were identified for patients with IHD and AF treated with MAT following an elective PCI: treatment with a reduced dose of DOAC, GDF-15 >1191 pg /ml, and PAI-1>13.2 U/ml. Independent predictors of coronary complications included a SYNTAX index >26.5, PCI for chronic coronary occlusion, and GDF-15 >1191 pg/ml. The factor associated with a risk of bleeding was the total PRECISE-DAPT score >30.
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Affiliation(s)
- E N Krivosheeva
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - E P Panchenko
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - E S Kropacheva
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - A B Dobrovolsky
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - E V Titaeva
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - V M Mironov
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
| | - A N Samko
- National medical research center of cardiology of the Ministry of healthcare of the Russian Federation, Moscow
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22
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Ding WY, Gupta D, Wong CF, Lip GYH. Pathophysiology of atrial fibrillation and chronic kidney disease. Cardiovasc Res 2020; 117:1046-1059. [PMID: 32871005 DOI: 10.1093/cvr/cvaa258] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/28/2020] [Accepted: 08/25/2020] [Indexed: 01/06/2023] Open
Abstract
Atrial fibrillation (AF) and chronic kidney disease (CKD) are closely related conditions with shared risk factors. The growing prevalence of both AF and CKD indicates that more patients will suffer from concurrent conditions. There are various complex interlinking mechanisms with important implications for the management of these patients. Furthermore, there is uncertainty regarding the use of oral anticoagulation (OAC) in AF and CKD that is reflected by a lack of consensus between international guidelines. Therefore, the importance of understanding the implications of co-existing AF and CKD should not be underestimated. In this review, we discuss the pathophysiology and association between AF and CKD, including the underlying mechanisms, risk of thrombo-embolic and bleeding complications, influence on stroke management, and evidence surrounding the use of OAC for stroke prevention.
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Affiliation(s)
- Wern Yew Ding
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Dhiraj Gupta
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Christopher F Wong
- Department of Renal Medicine, Liverpool University Hospital, Liverpool, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Prognostic value of routine blood tests along with clinical risk factors in predicting ischemic stroke in non-valvular atrial fibrillation: a prospective cohort study. INTERNATIONAL JOURNAL OF ARRHYTHMIA 2020. [DOI: 10.1186/s42444-020-00018-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
In patients with atrial fibrillation (AF), most biomarkers are still of limited use due to cost-effectiveness and complexity in clinical practice.
Hypotheses
Biomarkers from routine blood tests improve the current risk stratification in AF patients.
Methods
This prospective study enrolled 600 patients diagnosed with non-valvular AF, of whom 537 were analyzed. Platelet count; platelet distribution width (PDW); red cell distribution width (RDW); and creatinine, D-dimer, and troponin I levels were measured at enrollment.
Results
During the mean follow-up period (2.2 ± 0.6 years), 1.9% patients developed ischemic stroke. According to the optimal cutoff of each biomarker, the risk of ischemic stroke was higher in patients with RDW ≥ 13.5%, creatinine ≥ 1.11 mg/dL, or PDW ≥ 13.2% (significant biomarkers; P value: < 0.01, 0.04, or 0.07, respectively). These 3 significant biomarkers had higher information gain than clinical risk factors in predicting ischemic stroke. The cumulative incidence of ischemic stroke was 1.2%, 1.1%, 8.4%, and 40.0% in patients with 0, 1, 2, and 3 significant biomarkers, respectively (P-for-trend < 0.001). Patients with ≥ 2 significant biomarkers had a significantly higher risk of ischemic stroke than those with < 2 significant biomarkers (adjusted hazard ratio 11.5, 95% confidence interval 3.3–40.2, P < 0.001). The predictability for ischemic stroke was significantly improved when ≥ 2 significant biomarkers were added to the CHA2DS2–VASc score (area under the curve 0.790 vs. 0.620, P = 0.043).
Conclusion
Routine blood tests can provide better risk stratification of AF along with clinical risk factors.
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Zhang L, Steckman DA, Adelstein EC, Schulman-Marcus J, Loka A, Mathew RO, Venditti FJ, Sidhu MS. Oral Anticoagulation for Atrial Fibrillation Thromboembolism Prophylaxis in the Chronic Kidney Disease Population: the State of the Art in 2019. Cardiovasc Drugs Ther 2020; 33:481-488. [PMID: 31165356 DOI: 10.1007/s10557-019-06885-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Atrial fibrillation (AF) is the most common cardiac rhythm disturbance and is associated with increased risk of thromboembolism. Oral anticoagulants are effective at reducing rates of thromboembolism in patients with AF in the general population. Patients with AF and concurrent chronic kidney disease (CKD) have higher risk of thromboembolism and bleeding compared with patients with normal renal function. Among moderate CKD and end-stage renal disease (ESRD) patients on chronic dialysis, the use of oral anticoagulants is controversial. Use of warfarin, while beneficial in non-CKD patients, raises a number of concerns such as increased bleeding risk, labile anticoagulant effect, and calciphylaxis, especially in the ESRD population. The newer direct oral anticoagulant (DOAC) agents have demonstrated comparable efficacy and improved safety profiles compared with coumadin but are not as well studied in the CKD population. This review highlights the efficacy and safety of coumadin and the DOACs for thromboembolism prophylaxis in non-valvular AF patients with CKD.
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Affiliation(s)
- Lane Zhang
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA.
| | - David A Steckman
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Evan C Adelstein
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Joshua Schulman-Marcus
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Alfred Loka
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Roy O Mathew
- Division of Nephrology, Albany Medical Center, Albany, NY, USA
| | - Ferdinand J Venditti
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Mandeep S Sidhu
- Division of Cardiology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA.,Albany Medical College, Albany, NY, USA
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25
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Ding WY, Harrison S, Gupta D, Lip GYH, Lane DA. Stroke and Bleeding Risk Assessments in Patients With Atrial Fibrillation: Concepts and Controversies. Front Med (Lausanne) 2020; 7:54. [PMID: 32154260 PMCID: PMC7047213 DOI: 10.3389/fmed.2020.00054] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 02/05/2020] [Indexed: 12/20/2022] Open
Abstract
Risk assessments are an important element in the management of patients with atrial fibrillation (AF). In this review, we aim to discuss the concepts and controversies surrounding the various risk factors for stroke and bleeding in AF. Indeed, there are a variety of clinical, electrical, biological, and genetic markers to guide stroke and bleeding risk assessments in AF. The more common factors have been used to formulate risk stratification scores. Some risk factors have shown promise, but others remain less well-defined. Our aim is to discuss concepts and controversies surrounding current evidence of risk factors for stroke and bleeding assessments in AF.
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Affiliation(s)
- Wern Yew Ding
- Liverpool Centre for Cardiovascular Science, Liverpool Heart and Chest Hospital, University of Liverpool, Liverpool, United Kingdom
| | - Stephanie Harrison
- Liverpool Centre for Cardiovascular Science, Liverpool Heart and Chest Hospital, University of Liverpool, Liverpool, United Kingdom
| | - Dhiraj Gupta
- Liverpool Centre for Cardiovascular Science, Liverpool Heart and Chest Hospital, University of Liverpool, Liverpool, United Kingdom
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, Liverpool Heart and Chest Hospital, University of Liverpool, Liverpool, United Kingdom.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, Liverpool Heart and Chest Hospital, University of Liverpool, Liverpool, United Kingdom.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Wilson LE, Luo X, Li X, Mardekian J, Garcia Reeves AB, Skinner A. Clinical outcomes and treatment patterns among Medicare patients with nonvalvular atrial fibrillation (NVAF) and chronic kidney disease. PLoS One 2019; 14:e0225052. [PMID: 31725743 PMCID: PMC6855694 DOI: 10.1371/journal.pone.0225052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 10/28/2019] [Indexed: 01/18/2023] Open
Abstract
Background Patients with nonvalvular atrial fibrillation (NVAF) and chronic kidney disease (CKD) have increased risk of adverse outcomes. This study evaluated treatment with oral anticoagulants and outcomes in elderly NVAF patients with CKD. Methods Retrospective observational cohort study of US Medicare fee-for-service patients aged ≥66 years with comorbid CKD (advanced: Stage 4 and higher; less advanced: Stages 1–3) and a new NVAF diagnoses from 2011–2013. All-cause mortality, stroke, major bleeding, and myocardial infarction rates were estimated for 1 year post-NVAF diagnosis. Associations between CKD stage and outcomes were evaluated with multivariate-adjusted Cox regression. We assessed oral anticoagulant (OAC) receipt within 90 days post-NVAF diagnosis and associations between OAC receipt and outcomes. Results There were 198,380 eligible patients (79,681 with advanced CKD). After adjustment for age, gender, and comorbidities, advanced CKD was associated with increased mortality (Stage 5 HR 1.47; 95% CI 1.42–1.52), MI (HR 1.48; 95% CI 1.33–1.64), stroke (HR 1.23; 95% CI 1.11–1.37) and major bleed (HR 1.44; 95% CI 1.36–1.53) risks. Among Medicare Part D enrollees who survived ≥90 days post-NVAF diagnosis, 65–71% received no OACs in the first 90 days. Those receiving warfarin (HR 0.73; 95% CI 0.71–0.75) or DOACs (HR 0.52; 95% CI 0.49–0.56) within the first 90 days had reduced mortality in the period 90 days to 1 year following NVAF diagnosis compared to those without. Conclusion Elderly NVAF patients with advanced CKD (Stage 4 or higher) had higher mortality risks and serious clinical outcomes than those with less advanced CKD (Stage 1–3). OAC use was low across all CKD stages, but was associated with a lower mortality risk than no OAC use in the first year post-NVAF diagnosis.
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Affiliation(s)
- Lauren E. Wilson
- Department of Population Health Sciences, School of Medicine, Duke University, Durham, NC, United States of America
- * E-mail:
| | - Xuemei Luo
- Pfizer, Inc., New York City, NY, United States of America
| | - Xiaoyan Li
- Bristol Myers-Squibb Company, New York City, NY, United States of America
| | - Jack Mardekian
- Pfizer, Inc., New York City, NY, United States of America
| | - Alessandra B. Garcia Reeves
- Bristol Myers-Squibb Company, New York City, NY, United States of America
- University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Asheley Skinner
- Department of Population Health Sciences, School of Medicine, Duke University, Durham, NC, United States of America
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27
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He W, Zhang H, Zhu W, Xue Z. Effect of anticoagulation therapy in older patients with chronic kidney disease and atrial fibrillation: A meta-analysis. Medicine (Baltimore) 2019; 98:e17628. [PMID: 31626146 PMCID: PMC6824694 DOI: 10.1097/md.0000000000017628] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND The role of anticoagulation therapy for stroke prevention in older atrial fibrillation (AF) patients with chronic kidney disease (CKD) remains unclear. Therefore, we conducted a meta-analysis to explore the efficacy and safety of anticoagulation therapy in this population. METHODS The Cochrane Library, PubMed, and Embase databases were systematically searched for studies reporting the effect of anticoagulation therapy in older patients with AF and CKD. The risk ratios (RRs) and 95% confidence intervals (CIs) were regarded as the risk estimates. A random-effects model selected was to evaluate the treatment outcomes. The presentations were based on the Preferred Reporting Items for reporting systematic reviews and meta-analyses statement. RESULTS A total of 7 studies with 24,794 older patients with AF and CKD were included. The follow-up of the included studies ranged from 0.9 to 9.0 years. In older patients with no dialysis, compared with nonanticoagulants, anticoagulants reduced the risk of all-cause death (RR 0.66, 95% CI 0.54-0.79), but had comparable risks of ischemic stroke/transient ischemic attack (TIA, RR 0.91, 95% CI 0.46-1.79) and bleeding (RR 1.17, 95% CI 0.86-1.60). In older patients with dialysis, compared with nonanticoagulants, anticoagulants increased the risk of bleeding (RR 1.37, 95% CI 1.09-1.74), but had similar risks of ischemic stroke/TIA (RR 1.18, 95% CI 0.88-1.58) and death (RR 0.87, 95% CI 0.60-1.27). CONCLUSION Compared with nonanticoagulation, anticoagulation therapy is associated with a reduced risk of death in older AF patients with nondialysis, but an increased risk of bleeding in older patients with dialysis.
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Affiliation(s)
- Wenfeng He
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi
| | - Hao Zhang
- Department of Cardiovascular Medicine, Xiangdong Hospital Hunan normal University, Liling of Hunan
| | - Wengen Zhu
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou of Guangdong
| | - Zhengbiao Xue
- Department of Critial Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou of Jiangxi 341000, China
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Jegatheswaran J, Hundemer GL, Massicotte-Azarniouch D, Sood MM. Anticoagulation in Patients With Advanced Chronic Kidney Disease: Walking the Fine Line Between Benefit and Harm. Can J Cardiol 2019; 35:1241-1255. [PMID: 31472820 DOI: 10.1016/j.cjca.2019.07.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 07/03/2019] [Accepted: 07/04/2019] [Indexed: 12/23/2022] Open
Abstract
Chronic kidney disease affects more than 3 million Canadians and is highly associated with cardiovascular diseases that require anticoagulation, such as atrial fibrillation and venous thromboembolism. Patients with chronic kidney disease are at a problematic crossroads; they are at high risk of thrombotic conditions requiring anticoagulation and bleeding complications due to anticoagulation. The limited high-quality clinical evidence to guide decision-making in this area further compounds the dilemma. In this review, we discuss the physiology and epidemiology of bleeding and thrombosis in patients with kidney disease. We specifically focus on patients with advanced kidney disease (estimated glomerular filtration rate ≤ 30 mL/min) or who are receiving dialysis and focus on the nephrologist perspective regarding these issues. We summarize the existing evidence for anticoagulation use in the prevention of stroke with atrial fibrillation and provide practical clinical recommendations for considering anticoagulation use in this population. Last, we examine specific scenarios such as the use of a glomerular filtration rate estimating equation and dosing, the use of existing prediction tools for stroke and hemorrhage risk, current patterns of anticoagulation use (including during the dialysis procedure), and vascular calcification with vitamin K antagonist use in patients with chronic kidney disease.
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Affiliation(s)
| | - Gregory L Hundemer
- Division of Nephrology, University of Ottawa, Ottawa, Ontario, Canada; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | | | - Manish M Sood
- Division of Nephrology, University of Ottawa, Ottawa, Ontario, Canada; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; The Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
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29
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Malhotra K, Ishfaq MF, Goyal N, Katsanos AH, Parissis J, Alexandrov AW, Alexandrov AV, Tsivgoulis G. Oral anticoagulation in patients with chronic kidney disease. Neurology 2019; 92:e2421-e2431. [DOI: 10.1212/wnl.0000000000007534] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 01/19/2019] [Indexed: 12/15/2022] Open
Abstract
ObjectiveData regarding the efficacy and safety of warfarin and non-vitamin K antagonist oral anticoagulant (NOAC) among patients with chronic kidney disease (CKD) remain scarce.MethodsSystematic review and meta-analysis of studies involving patients with CKD treated with oral anticoagulants were conducted to evaluate the following outcomes: ischemic stroke, intracerebral hemorrhage (ICH), combined ischemic and hemorrhagic stroke (strokecombined), stroke or systemic embolism, mortality, and major bleeding events. CKD was defined based on creatinine clearance (CrCl) ranging from mild (CrCl: 60–89 mL/min), moderate (CrCl: 30–59 mL/min), to severe (CrCl: 15–29 mL/min).ResultsFifteen studies (7 comparing NOAC vs warfarin and 8 comparing warfarin vs no anticoagulant) were identified comprising 78,053 patients. Warfarin (vs no anticoagulant) was associated with reduced risk of ischemic stroke (risk ratio [RR] = 0.68; 95% confidence interval [CI] 0.55–0.84]) and mortality (RR = 0.70; 95% CI 0.62–0.78). In comparison to warfarin, NOAC use lowered the risk of ICH (RR = 0.43; 95% CI 0.33–0.56), strokecombined (RR = 0.83; 95% CI 0.72–0.96), stroke or systemic embolism (RR = 0.73; 95% CI 0.62–0.85), and major bleeding (RR = 0.77; 95% CI 0.66–0.90). In adjusted analyses, warfarin use (vs no anticoagulant) was associated with reduced mortality (HRadj = 0.68; 95% CI 0.61–0.76), whereas NOAC (vs warfarin) use reduced the risk of ICH (HRadj = 0.39; 95% CI 0.30–0.50) and stroke or systemic embolism (HRadj = 0.75; 95% CI 0.65–0.88). Our sensitivity analyses comparing different NOACs exhibited that factor Xa inhibitors (compared to warfarin) consistently reduced strokecombined (RR = 0.84; 95% CI 0.73–0.96), mortality (RR = 0.84; 95% CI 0.70–1.00), ICH (RR = 0.45; 95% CI 0.24–0.85), and major bleeding (RR = 0.76; 95% CI 0.64–0.91).ConclusionsAmong patients with CKD treated with oral anticoagulants, NOACs present with a more favorable safety and efficacy profile for various cardiovascular outcomes.
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30
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Posch F, Ay C, Stöger H, Kreutz R, Beyer-Westendorf J. Longitudinal kidney function trajectories predict major bleeding, hospitalization and death in patients with atrial fibrillation and chronic kidney disease. Int J Cardiol 2019; 282:47-52. [PMID: 30777405 DOI: 10.1016/j.ijcard.2019.01.089] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 12/28/2018] [Accepted: 01/24/2019] [Indexed: 01/29/2023]
Abstract
BACKGROUND Chronic kidney disease (CKD), commonly described by estimated glomerular filtration rate (eGFR), is a frequent comorbidity in patients with atrial fibrillation (AF) and associated with thromboembolic and bleeding complications. Instead of single eGFR measurements, kidney function decline over time may better predict clinical outcomes but this has not been studied so far. METHODS Patients with AF and stage 3/4 CKD were prospectively followed within a primary care electronic database from the United Kingdom (IMS-THIN). The associations between the longitudinal eGFR trajectory of these patients and stroke/systemic embolism, major bleeding, first hospitalization-for-any-cause, and death-from-any-cause were estimated with joint models of longitudinal and time-to-event data. RESULTS 18,240 patients were included (median age 80.4 years, median CHA2DS2-VASc score 4). In 133,676 eGFR measurements (mean: 6 per patient) median "baseline" eGFR was 49 ml/min/1.73m2 [41-55] and mean eGFR decline was 0.54 ml/min/1.73m2/year (95%CI: 0.47-0.62). During follow-up (median 3.2 years; 50,841 patient-years at risk), 5-year cumulative incidence estimates were 9%, 3%, 32% and 76% for stroke/systemic embolism, major bleeding, hospitalization and death, respectively. In joint modeling, an accelerated decline in kidney function strongly predicted for a higher risk of major bleeding (hazard ratio [HR] 1.09 per ml/min/1.73m2/year increase in eGFR decline), hospitalization (HR 1.06), and death-from-any-cause (HR 1.11; all p < 0.05), but not for stroke/systemic embolism (HR 0.97; p = 0.239). CONCLUSIONS Declining kidney function is a critical determinant of unfavourable outcomes in patients with AF and CKD. Longitudinal kidney function trajectories may enable a much more individualized prediction of adverse outcomes in this vulnerable patient population.
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Affiliation(s)
- Florian Posch
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria; Center for Biomarker Research in Medicine (CBmed), Graz, Austria
| | - Cihan Ay
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Herbert Stöger
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Reinhold Kreutz
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Institute of Clinical Pharmacology and Toxicology, Germany
| | - Jan Beyer-Westendorf
- Thrombosis Research Unit, Department of Medicine I, Division of Hematology, University Hospital "Carl Gustav Carus" Dresden, Fetscherstrasse 75, D-01307 Dresden, Germany; King's Thrombosis Service, Department of Hematology, King's College London, UK.
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31
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Garlo KG, Steele DJR, Nigwekar SU, Chan KE. Demystifying the Benefits and Harms of Anticoagulation for Atrial Fibrillation in Chronic Kidney Disease. Clin J Am Soc Nephrol 2018; 14:125-136. [PMID: 30593489 PMCID: PMC6364544 DOI: 10.2215/cjn.06430518] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Patients with CKD represent a vulnerable population where the risks of atrial fibrillation, ischemic stroke, and bleeding are all heightened. Although large randomized, controlled trials in the general population clearly demonstrate that the benefits of warfarin and direct-acting oral anticoagulants outweigh the risks of bleeding, no such studies have been conducted in patients when their creatinine clearance falls below 25-30 ml/min. Without randomized, controlled trial data, the role of anticoagulation in patients with CKD with atrial fibrillation remains unclear and our practice is informed by a growing body of imperfect literature such as observational and pharmacokinetic studies. This article aims to present a contemporary literature review of the benefits versus harms of anticoagulation in atrial fibrillation for patients with CKD stages 3, 4, 5, and 5 on dialysis. Although unanswered questions and areas of clinical equipoise remain, this piece serves to assist physicians in interpreting the complex body of literature and applying it to their clinical care.
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Affiliation(s)
- Katherine G Garlo
- Division of Nephrology, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts; and
| | - David J R Steele
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Sagar U Nigwekar
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Kevin E Chan
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
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32
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Proietti R, Gonzini L, Pizzimenti G, Ledda A, Sanna P, AlTurki A, Russo V, Lencioni M. Glomerular filtration rate: A prognostic marker in atrial fibrillation-A subanalysis of the AntiThrombotic Agents Atrial Fibrillation. Clin Cardiol 2018; 41:1570-1577. [PMID: 30144119 DOI: 10.1002/clc.23065] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/26/2018] [Accepted: 08/21/2018] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE An increased cardiovascular mortality and morbidity has been widely reported in patients with atrial fibrillation (AF). In this study, a subanalysis of the AntiThrombotic Agents Atrial Fibrillation (ATA-AF) is performed with the aim to evaluate estimated glomerular filtration rate (eGFR) as an independent prognostic marker of cardiovascular mortality and morbidity in patients with AF. METHODS AND RESULTS The ATA-AF study enrolled 7148 patients with AF, in 360 Italian centers. The eGFR was calculated from data reported in patient notes or hospital database. This post-hoc analysis included 1097 AF patients with eGFR data available and 1-year clinical follow-up. The endpoint was assessed as cardiovascular mortality and/or hospital admission for cardiovascular causes at follow-up. Patients were also divided in two groups according to the eGFR (<60 and ≥60 mL/min/1.73 m2 ). The Kaplan-Meyer curve for the mentioned endpoint showed a higher endpoint incidence in the group of patient with eGFR below 60 mL/min/1.73 m2 (P < 0.001). Using multivariate analysis (Cox regression), a trend toward a higher rate of occurrence of the primary endpoint was observed for eGFR below 60 mL/min/1.73 m2 without reaching the conventional level of statistical significance (hazard ratio [HR] 1.40; 95% confidence interval [CI] 0.99-1.99; P = 0.0572). When eGFR was included in the analysis as continuous variable a significant correlation was observed with the combined endpoint at the Cox regression (HR 0.99, 95% CI 0.98-0.99, P = 0.04). CONCLUSION The result of this post-hoc analysis indicates that an impaired eGFR is independently associated with worse prognosis among patients with AF.
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Affiliation(s)
- Riccardo Proietti
- Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua, Padua, Italy
| | | | | | - Antonietta Ledda
- Cardiology Department, Azienda Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
| | - Pietro Sanna
- Cardiology Department, San Francesco Hospital, Nuoro, Italy
| | - Ahmed AlTurki
- Division of Cardiology, McGill University Health Centre, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Vincenzo Russo
- Chair of Cardiology, University of Campania "Luigi Vanvitelli", Ospedale Monaldi, Naples, Italy
| | - Mauro Lencioni
- Queen Elizabeth Hospital, Queen Elizabeth Medical Centre, University Hospitals Birmingham, NHS Foundation Trust, Birmingham, UK
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Xu D, Su C, Pan J. Advances and Application of a Novel Oral Anticoagulant in Specific Populations: Dabigatran Etexilate. Curr Drug Metab 2018; 21:106-111. [PMID: 30317993 DOI: 10.2174/1389200219666181011160133] [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: 11/01/2017] [Revised: 05/31/2018] [Accepted: 08/06/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Dabigatran etexilate (DE) was approved by the FDA in 2010 to reduce the risk of stroke and systemic embolism in adults with Non-valvular Atrial Fibrillation (NVAF). Compared with warfarin, a traditional anticoagulant drug, DE exhibits a shorter half-life, improved dose-effect relationship, fewer food and drug interactions, and can be taken orally without monitoring the conventional coagulation index. DE can also prevent or reduce the severity of adverse events, such as attenuated drug efficacy or bleeding. It is convenient for patients to take DE due to low levels of individual variation. This review aims to application of Dabigatran etexilate in specific populations. METHODS Fifty-five papers were included in the review. RESULTS We review the pharmacological mechanisms, pharmacokinetics and drug interactions, as well as the application of DE for different clinical populations, and provide clinical guidelines. CONCLUSION When using DE, one should consider the risk of bleeding, age, renal function, drug interactions, and other factors.
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Affiliation(s)
- Delai Xu
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Jiangsu, China
| | - Cujin Su
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Jiangsu, China
| | - Jie Pan
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Jiangsu, China
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34
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Airy M, Schold JD, Jolly SE, Arrigain S, Bansal N, Winkelmayer WC, Nally JV, Navaneethan SD. Cause-Specific Mortality in Patients with Chronic Kidney Disease and Atrial Fibrillation. Am J Nephrol 2018; 48:36-45. [PMID: 30048961 DOI: 10.1159/000491023] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 06/09/2018] [Indexed: 01/09/2023]
Abstract
BACKGROUND Atrial fibrillation (AF) is associated with death in patients with chronic kidney disease (CKD). We examined the associations between AF and cause-specific mortality in a large CKD population. METHODS We included 62,459 patients with estimated glomerular filtration rate 15-59 mL/min/1.73 m2 (6,639 patients with AF and 55,820 without AF) followed in a large health care system. Outcomes included overall and cause-specific deaths (a) cardiovascular; (b) malignancy; and (c) non-cardiovascular/non-malignancy causes. Cox regression models for overall mortality and separate competing risk models for each major cause of death category were used to evaluate their respective associations with AF. RESULTS During a median follow-up of 4.1 years, 19,094 patients died; cause of death was known for 18,854 patients. After multivariable adjustment (demographics, comorbidities, relevant laboratory data, medication use, and kidney function), AF was associated with 23% (95% CI 18-29%) higher risk of all-cause mortality, 45% (95% CI 31-61%) higher risk of cardiovascular mortality and 13% (95% CI 3-22%) lower risk of malignancy-related mortality. Exclusion of patients with malignancy yielded similar results except for a lack of association between AF and malignancy-related deaths. Results were consistent across various stages of CKD. CONCLUSIONS In a non-dialysis-dependent CKD population, the presence of AF was associated with higher all-cause and cardiovascular mortality. These data suggest that patients with both CKD and AF are at high cardiovascular risk, and thus clinical practice (or trials) should aim at reducing the overall excess cardiovascular mortality (not stroke alone) in patients with AF and CKD.
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Affiliation(s)
- Medha Airy
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Jesse D Schold
- Department of Nephrology and Hypertension, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Center for Populations Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Stacey E Jolly
- Medicine Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Susana Arrigain
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio, USA
| | - Nisha Bansal
- Kidney Research Institute, University of Washington, Seattle, Washington, USA
| | - Wolfgang C Winkelmayer
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Joseph V Nally
- Department of Nephrology and Hypertension, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sankar D Navaneethan
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Section of Nephrology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
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Fauchier L, Bisson A, Clementy N, Vourc'h P, Angoulvant D, Babuty D, Halimi JM, Lip GY. Changes in glomerular filtration rate and outcomes in patients with atrial fibrillation. Am Heart J 2018; 198:39-45. [PMID: 29653646 DOI: 10.1016/j.ahj.2017.12.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 12/27/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Patients with kidney disease are more likely to develop atrial fibrillation (AF) than individuals with normal renal function, and more likely to suffer ischemic stroke (IS)/thromboembolism (TE). We investigated the relationship of kidney function evolution to IS/TE, mortality and bleeding in AF patients. METHODS In a cohort of 8962 AF patients, 2653 had serum creatinine data, with 10894 patient-years of follow-up. Patients were stratified into quartiles of estimated glomerular filtration rate (eGFR) evolution (in mL/min per 1.73 m2/year). RESULTS Rates of events (IS/TE, bleeding, mortality) increased with worsening eGFR by quartiles. The risk of events was particularly increased when patients in the 4th quartile were compared to others. Renal impairment per se was not an independent predictor of IS/TE but was an independent predictor of bleeding, whilst eGFR worsening was an independent predictor both for IS/TE (Hazard Ratio [HR] 1.573, 95%CI 1.160-2.134 for patients in the last quartile) and for bleeding events (HR 1.543, 95%CI 1.157-2.004). Worsening eGFR did not improve the predictive ability of the CHA2DS2VASc and HAS-BLED scores for identifying a higher risk of IS/TE or bleeding events, respectively. When the benefit of IS reduction was balanced against the increased risk of bleeding events, the net clinical benefit was positive in favor of OAC use (vs non-use) in patients with worsening eGFR. CONCLUSIONS Rates of IS/TE, mortality and bleeding increased with worsening eGFR >4.81 mL/min per 1.73 m2. Worsening eGFR was an independent predictor of IS/TE and of bleeding, and a better predictor of IS/TE than renal impairment in AF.
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Use of oral anticoagulants in patients with atrial fibrillation and renal dysfunction. Nat Rev Nephrol 2018; 14:337-351. [PMID: 29578207 DOI: 10.1038/nrneph.2018.19] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Atrial fibrillation (AF) and chronic kidney disease (CKD) are increasingly prevalent in the general population and share common risk factors such as older age, hypertension and diabetes mellitus. The presence of CKD increases the risk of incident AF, and, likewise, AF increases the risk of CKD development and/or progression. Both conditions are associated with substantial thromboembolic risk, but patients with advanced CKD also exhibit a paradoxical increase in bleeding risk. In the landmark randomized clinical trials that compared non-vitamin K antagonist oral anticoagulants (NOACs) with warfarin for thromboprophylaxis in patients with AF, the efficacy and safety of NOACs in patients with mild-to-moderate CKD were similar to those in patients without CKD. Dose adjustment of NOACs as per the prescribing label is required in this population. Owing to limited trial data, evidence-based recommendations for the management of patients with AF and severe CKD or end-stage renal disease on dialysis are lacking. Observational cohort studies have reported conflicting results, and the management of these particularly vulnerable patients remains challenging and requires careful assessment of stroke and bleeding risk and, where appropriate, use of warfarin with good-quality anticoagulation control.
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Roldán V, Vicente V, Valdés M, Lip GYH, Asunción Esteve-Pastor M, Miguel Rivera-Caravaca J, Marín F. Long-term bleeding risk prediction in ‘real world’ patients with atrial fibrillation: Comparison of the HAS-BLED and ABC-Bleeding risk scores. Thromb Haemost 2017; 117:1848-1858. [DOI: 10.1160/th17-07-0478] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 07/24/2017] [Indexed: 01/18/2023]
Abstract
SummaryRisk scores in patients with atrial fibrillation (AF) based on clinical factors alone generally have only modest predictive value for predicting high risk patients that sustain events. Biomarkers might be an attractive prognostic tool to improve bleeding risk prediction. The new ABCBleeding score performed better than HAS-BLED score in a clinical trial cohort but has not been externally validated. The aim of this study was to analyze the predictive performance of the ABC-Bleeding score compared to HAS-BLED score in an independent “real-world” anticoagulated AF patients with long-term follow-up. We enrolled 1,120 patients stable on vitamin K antagonist treatment. The HAS-BLED and ABC-Bleeding scores were quantified. Predictive values were compared by c-indexes, IDI, NRI, as well as decision curve analysis (DCA). Median HAS-BLED score was 2 (IQR 2–3) and median ABC-Bleeding was 16.5 (IQR 14.3–18.6). After 6.5 years of follow-up, 207 (2.84%/year) patients had major bleeding events, of which 65 (0.89%/year) had intracranial haemorrhage (ICH) and 85 (1.17%/year) had gastrointestinal bleeding events (GIB). The c-index of HAS-BLED was significantly higher than ABC-Bleeding for major bleeding (0.583 vs 0.518; p=0.025), GIB (0.596 vs 0.519; p=0.017) and for the composite of ICH-GIB (0.593 vs 0.527; p=0.030). NRI showed a significant negative reclassification for major bleeding and for the composite of ICH-GIB with the ABC-Bleeding score compared to HAS-BLED. Using DCAs, the use of HAS-BLED score gave an approximate net benefit of 4% over the ABC-Bleeding score. In conclusion, in the first “real-world” validation of the ABC-Bleeding score, HAS-BLED performed significantly better than the ABC-Bleeding score in predicting major bleeding, GIB and the composite of GIB and ICH.Note: The review process for this manuscript was fully handled by Christian Weber, Editor in Chief.Supplementary Material to this article is available online at www.thrombosis-online.com.
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Bisson A, Angoulvant D, Philippart R, Clementy N, Babuty D, Fauchier L. Non-Vitamin K Oral Anticoagulants for Stroke Prevention in Special Populations with Atrial Fibrillation. Adv Ther 2017; 34:1283-1290. [PMID: 28493056 PMCID: PMC5487882 DOI: 10.1007/s12325-017-0550-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Indexed: 10/26/2022]
Abstract
Atrial fibrillation (AF) is associated with an increased risk of ischemic stroke or systemic embolism compared with normal sinus rhythm. These strokes may efficiently be prevented in patients with risk factors using oral anticoagulant therapy, with either vitamin K antagonists (VKAs) or non-vitamin K antagonist oral anticoagulants (NOACs) (i.e., direct thrombin inhibitors or direct factor Xa inhibitors). Owing to their specific risk profiles, some AF populations may have increased risks of both thromboembolic and bleeding events. These AF patients may be denied oral anticoagulants, whilst evidence shows that the absolute benefits of oral anticoagulants are greatest in patients at highest risk. NOACs are an alternative to VKAs to prevent stroke in patients with "non-valvular AF", and NOACs may offer a greater net clinical benefit compared with VKAs, particularly in these high-risk patients. Physicians have to learn how to use these drugs optimally in specific settings. We review concrete clinical scenarios for which practical answers are currently proposed for use of NOACs based on available evidence for patients with kidney disease, elderly patients, women, patients with diabetes, patients with low or high body weight, and those with valve disease.
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Larkin JW, Chan KE. Warfarin, Atrial Fibrillation, and CKD: Effective and Safe, but Soon Extinct? Am J Kidney Dis 2017; 69:720-722. [DOI: 10.1053/j.ajkd.2017.01.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 01/10/2017] [Indexed: 11/11/2022]
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The association of anticoagulation, ischemic stroke, and hemorrhage in elderly adults with chronic kidney disease and atrial fibrillation. Kidney Int 2017; 91:928-936. [DOI: 10.1016/j.kint.2016.10.017] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 09/30/2016] [Accepted: 10/13/2016] [Indexed: 11/17/2022]
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Proietti M, Airaksinen KEJ, Rubboli A, Schlitt A, Kiviniemi T, Karjalainen PP, Lip GYH. Synergic impact of oral anticoagulation control and renal function in determining major adverse events in atrial fibrillation patients undergoing percutaneous coronary intervention: insights from the AFCAS registry. Clin Res Cardiol 2017; 106:420-427. [PMID: 28078448 PMCID: PMC5442242 DOI: 10.1007/s00392-016-1071-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/21/2016] [Indexed: 12/22/2022]
Abstract
Background In patients with atrial fibrillation (AF), quality of oral anticoagulation control as well as impaired renal function are associated with adverse outcomes. Our objective was to analyze if there was a synergistic impact of these factors in determining adverse outcomes in AF patients undergoing percutaneous coronary intervention and stent (PCI-S). Methods Post-hoc analysis from the Atrial Fibrillation Undergoing Coronary Artery Stenting (AFCAS) registry. Poor oral anticoagulation control was defined as time in therapeutic range (TTR) <65%, while impaired renal function as creatinine clearance (CrCl) <60 ml/min. Results Of the whole cohort, 448 were eligible for this post-hoc analysis. Of these, 27.9% had TTR <65%only (Group I), 19.2% had CrCl <60 ml/min only (Group II), while 13.8% had both conditions (Group III). At follow-up, patients in Group III had a higher rate of major adverse cardiovascular and cerebrovascular events (MACCE) (p = 0.007), while patients in Groups I and III had higher rates of major bleeding. Kaplan–Meier analyses showed that patients in Group III had higher risk for MACCE (LogRank: 14.406, p = 0.003), while Group I and Group III patients had higher risk for major bleeding (LogRank: 12.290, p = 0.006). On Cox regression, presence of both conditions independently increased MACCE risk (p = 0.001), while TTR <65% alone and the presence of both conditions were independently associated with major bleeding (p = 0.004 and p = 0.028, respectively). Conclusions There was a synergic impact of oral anticoagulation control and renal function in determining major adverse events in AF patients undergoing PCI-S. Use of poor anticoagulation control and impaired renal function in combination would help identify AF patients undergoing PCI-S at risk for MACCE and/or major bleeding. Electronic supplementary material The online version of this article (doi:10.1007/s00392-016-1071-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marco Proietti
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Dudley Road, Birmingham, B18 7QH, UK
| | | | - Andrea Rubboli
- Division of Cardiology, Laboratory of Interventional Cardiology, Ospedale Maggiore, Bologna, Italy
| | - Axel Schlitt
- Department of Medicine III, Martin Luther-University, Halle, Germany
| | - Tuomas Kiviniemi
- Department of Cardiology, Paracelsus Harz-Clinic, Bad Suderode and Medical Faculty, Martin Luther-University Halle-Wittenberg, Halle, Germany
| | | | - Gregory Y H Lip
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Dudley Road, Birmingham, B18 7QH, UK.
- Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
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Keskar V, Sood MM. Use of Oral Anticoagulation in the Management of Atrial Fibrillation in Patients with ESRD: Con. Clin J Am Soc Nephrol 2016; 11:2085-2092. [PMID: 27797891 PMCID: PMC5108192 DOI: 10.2215/cjn.03200316] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Among patients with atrial fibrillation, prophylaxis for stroke prevention with the use of anticoagulation is well established in the general population. A number of randomized controlled trials and evidence-based risk prediction tools clearly delineate the benefit and risks of therapy. Despite the high incidence of atrial fibrillation in the late stage CKD and ESRD populations, little high quality evidence exists in these populations. Is it appropriate then to extrapolate findings from the general population to those with CKD/ESRD? In our view, too much uncertainty exists regarding proof of efficacy with clear signals of harm. Routine anticoagulation for stroke prevention in atrial fibrillation is not recommended for the majority of CKD and ESRD patients.
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Affiliation(s)
- Vaibhav Keskar
- Division of Nephrology, The Ottawa Hospital, Ottawa, Ontario, Canada; and
| | - Manish M. Sood
- Division of Nephrology, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
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Voroneanu L, Ortiz A, Nistor I, Covic A. Atrial fibrillation in chronic kidney disease. Eur J Intern Med 2016; 33:3-13. [PMID: 27155803 DOI: 10.1016/j.ejim.2016.04.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/07/2016] [Accepted: 04/09/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Luminita Voroneanu
- Nephrology Department, Dialysis and Renal Transplant Center, "C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania.
| | - Alberto Ortiz
- Nephrology and Hypertension Department, IIS-Fundacion Jimenez Diaz and School of Medicine, Madrid, Spain
| | - Ionut Nistor
- Nephrology Department, Dialysis and Renal Transplant Center, "C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania
| | - Adrian Covic
- Nephrology Department, Dialysis and Renal Transplant Center, "C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania
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Lau YC, Proietti M, Guiducci E, Blann AD, Lip GY. Atrial Fibrillation and Thromboembolism in Patients With Chronic Kidney Disease. J Am Coll Cardiol 2016; 68:1452-1464. [DOI: 10.1016/j.jacc.2016.06.057] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 06/14/2016] [Indexed: 02/06/2023]
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Glomerular filtration rate in patients with atrial fibrillation and 1-year outcomes. Sci Rep 2016; 6:30271. [PMID: 27466080 PMCID: PMC4964613 DOI: 10.1038/srep30271] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 06/29/2016] [Indexed: 01/07/2023] Open
Abstract
We assessed 1-year outcomes in patients with atrial fibrillation enrolled in the EurObservational Research Programme AF General Pilot Registry (EORP-AF), in relation to kidney function, as assessed by glomerular filtration rate (eGFR). In a cohort of 2398 patients (median age 69 years; 61% male), eGFR (ml/min/1.73 m2) calculated using the CKD-EPI formula was ≥80 in 35.1%, 50–79 in 47.2%, 30–49 in 13.9% and <30 in 3.7% of patients. In a logistic regression analysis, eGFR category was an independent predictor of stroke/TIA or death, with elevated odds ratios associated with severe to mild renal impairment, ie. eGFR < 30 ml/min/1.73 m2 [OR 3.641, 95% CI 1.572–8.433, p < 0.0001], 30–49 ml/min/1.73 m2 [OR 3.303, 95% CI 1.740–6.270, p = 0.0026] or 50–79 ml/min/1.73 m2 [OR 2.094, 95% CI 1.194–3.672, p = 0.0003]. The discriminant capability for the risk of death was tested among various eGFR calculation algorithms: the best was the Cockcroft-Gault equation adjusted for BSA, followed by Cockcroft-Gault equation, and CKD-EPI equation, while the worst was the MDRD equation. In conclusion in this prospective observational registry, renal function was a major determinant of adverse outcomes at 1 year, and even mild or moderate renal impairments were associated with an increased risk of stroke/TIA/death.
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Impact of moderate to severe renal impairment on long-term clinical outcomes in patients with atrial fibrillation. J Cardiol 2016; 69:577-583. [PMID: 27236240 DOI: 10.1016/j.jjcc.2016.04.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/07/2016] [Accepted: 04/13/2016] [Indexed: 11/22/2022]
Abstract
BACKGROUND The deleterious effect of renal impairment in non-valvular atrial fibrillation (AF) patients has recently been reported. We investigated the impact of moderate to severe renal impairment on long-term clinical outcomes in AF patients. METHODS A total of 2126 AF patients were enrolled and divided into two groups according to ≥ or <60mL/min estimated glomerular filtration rate (eGFR). Clinical outcomes including all-cause death, cardiac death, ischemic stroke (IS), bleeding, and admission for heart failure (HF) were analyzed. RESULTS Compared to the ≥60mL/min eGFR group, <60mL/min eGFR patients were older; had a higher proportion of females; were more likely to have diabetes, hypertension, and history of stroke; and had higher CHADS2, CHA2DS2-VASc, and HAS-BLED scores. During the follow-up period (median 6.23 years), all-cause death, bleeding, admission for HF, and progression to persistent or permanent AF were significantly increased in the <60mL/min eGFR group compared to the ≥60mL/min eGFR group. After multivariate Cox regression analyses, <60mL/min eGFR increased the risk of all-cause death [hazard ratio (HR): 1.84; 95% confidence interval (CI): 1.03-3.28, p=0.04] and bleeding (HR: 1.28; 95% CI: 1.04-1.57, p=0.02). IS was only significantly increased in the <60mL/min eGFR group not receiving antithrombotic treatment. CONCLUSION Moderate to severe renal impairment is a poor prognostic factor of long-term clinical outcomes in AF patients.
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Lip GYH, Potpara T, Boriani G, Blomström-Lundqvist C. A tailored treatment strategy: a modern approach for stroke prevention in patients with atrial fibrillation. J Intern Med 2016; 279:467-76. [PMID: 27001354 DOI: 10.1111/joim.12468] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The main priority in atrial fibrillation (AF) management is stroke prevention, following which decisions about rate or rhythm control are focused on the patient, being primarily for management of symptoms. Given that AF is commonly associated with various comorbidities, risk factors such as hypertension, heart failure, diabetes mellitus and sleep apnoea should be actively looked for and managed in a holistic approach to AF management. The objective of this review is to provide an overview of modern AF stroke prevention with a focus on tailored treatment strategies. Biomarkers and genetic factors have been proposed to help identify 'high-risk' patients to be targeted for oral anticoagulation, but ultimately their use must be balanced against that of more simple and practical considerations for everyday use. Current guidelines have directed focus on initial identification of 'truly low-risk' patients with AF, that is those patients with a CHA2 DS2 -VASc [congestive heart failure, hypertension, age ≥75 years (two points), diabetes mellitus, stroke (two points), vascular disease, age 65-74 years, sex category] score of 0 (male) or 1 (female), who do not need any antithrombotic therapy. Subsequently, patients with ≥1 stroke risk factors can be offered effective stroke prevention, that is oral anticoagulation. The SAMe-TT2 R2 [sex female, age <60 years, medical history (>2 comorbidities), treatment (interacting drugs), tobacco use (two points), race non-Caucasian (two points)] score can help physicians make informed decisions on those patients likely to do well on warfarin (SAMe-TT2 R2 score 0-2) or those who are likely to have a poor time in therapeutic range (SAMe-TT2 R2 score >2). A clinically focused tailored approach to assessment and stroke prevention in AF with the use of the CHA2 DS2 VASc, HAS-BLED [hypertension, abnormal renal/liver function (one or two points), stroke, bleeding history or predisposition, labile international normalized ratio, elderly (>65 years) drugs/alcohol concomitantly (one or two points)] and SAMeTT2 R2 scores to evaluate stroke risk, bleeding risk and likelihood of successful warfarin therapy, respectively, is discussed.
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Affiliation(s)
- G Y H Lip
- University of Birmingham Institute of Cardiovascular Sciences, Birmingham, UK.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - T Potpara
- Cardiology Clinic, Clinical Centre of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - G Boriani
- Institute of Cardiology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, S.Orsola-Malpighi University Hospital, Bologna, Italy
| | - C Blomström-Lundqvist
- Department of Cardiology, Institution of Medical Science, Uppsala University, Uppsala, Sweden
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Proietti M, Lane DA, Lip GYH. Chronic Kidney Disease, Time in Therapeutic Range and Adverse Clinical Outcomes in Anticoagulated Patients with Non-valvular Atrial Fibrillation: Observations from the SPORTIF Trials. EBioMedicine 2016; 8:309-316. [PMID: 27428440 PMCID: PMC4919727 DOI: 10.1016/j.ebiom.2016.04.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/02/2016] [Accepted: 04/12/2016] [Indexed: 12/16/2022] Open
Abstract
Background Chronic kidney disease (CKD) is highly prevalent in atrial fibrillation (AF) patients and associated with an increased risk of adverse outcomes. Our objectives were to study clinical features associated with CKD in AF patients and the impact of CKD on anticoagulation control, as reflected by time in therapeutic range (TTR). We also determined the impact of CKD and TTR in predicting adverse outcomes. Methods and Results We analysed pooled datasets from SPORTIF III and V trials, including 3646 patients assigned to warfarin with data on renal function. CKD (creatinine clearance < 60 ml/min) was present in 952 (26%) patients. TTR was higher in patients with normal renal function compared to those with CKD (p < 0.001). On logistic analysis, chronic AF and male sex were associated with TTR > 70%, whilst diabetes mellitus, aspirin use and CKD were inversely associated with TTR > 70%. On Cox regression analysis, CKD was an independent predictor for stroke (p = 0.006) and death (p < 0.001). TTR > 70% was independently associated with a lower risk of stroke (p = 0.024), death (p = 0.001) and major bleeding (p = 0.001). Conclusions CKD is highly prevalent amongst AF patients and a risk factor for stroke and death. Adjusting for CKD, good quality anticoagulation control (TTR > 70%) was an independent predictor for lower risks of stroke, death and major bleeding. Chronic kidney disease (CKD) in atrial fibrillation (AF) patients is associated with several clinical factors. There is a linear association between creatinine clearance and time in therapeutic range (TTR). CKD is a risk factor for stroke and death, while TTR > 70% is a predictor for stroke, major bleeding and death.
The concomitant presence of atrial fibrillation (AF) and chronic kidney disease (CKD) confers an increased risk of both ithromboembolism and bleeding. Oral anticoagulation with vitamin K antagonist (VKA) are an effective treatment in preventing thromboembolic events, but good anticoagulation control as reflected by a high time in therapeutic range (TTR) is crucial in reducing thromboembolic and bleeding adverse events. Our results showed a close relationship between CKD, TTR and adverse events. In the decision-making process of prescribing VKA, clinicians need to consider renal function as well as good anticoagulation control (e.g. TTR > 70%) to ensure best efficacy and safety.
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Affiliation(s)
- Marco Proietti
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom
| | - Deirdre A Lane
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom
| | - Gregory Y H Lip
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
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Dahal K, Kunwar S, Rijal J, Schulman P, Lee J. Stroke, Major Bleeding, and Mortality Outcomes in Warfarin Users With Atrial Fibrillation and Chronic Kidney Disease. Chest 2016; 149:951-9. [DOI: 10.1378/chest.15-1719] [Citation(s) in RCA: 155] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 08/22/2015] [Accepted: 09/01/2015] [Indexed: 11/01/2022] Open
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Szymanski FM, Lip GY, Filipiak KJ, Platek AE, Hrynkiewicz-Szymanska A, Opolski G. Stroke Risk Factors Beyond the CHA₂DS₂-VASc Score: Can We Improve Our Identification of "High Stroke Risk" Patients With Atrial Fibrillation? Am J Cardiol 2015; 116:1781-8. [PMID: 26434516 DOI: 10.1016/j.amjcard.2015.08.049] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Revised: 08/25/2015] [Accepted: 08/25/2015] [Indexed: 01/17/2023]
Abstract
The prevention of stroke and other thromboembolic events plays a crucial role in the management of patients with atrial fibrillation. Not all patients with atrial fibrillation are equal in terms of thromboembolic risk; therefore, not all will benefit from oral anticoagulation treatment. The general principle is that the expected benefit of anticoagulation in reduction of thromboembolic risk must exceed the expected harm caused by possible bleeding. Some guidelines have focused on a categorical approach to stroke prevention, with a focus on identifying patients at high risk for oral anticoagulation. Various current guidelines recommend assessment of stroke risk using the CHADS2 or CHA2DS2-VASc scores to initially detect patients at low risk who require no antithrombotic therapy. However, the scores do not incorporate all possible risk factors causing a high thromboembolic risk. Factors such as impaired renal function, obstructive sleep apnea, and echocardiographic and biochemical or coagulation parameters can also predict adverse thromboembolic events. The present review aims to describe biomarkers whether blood, urine, imaging (cardiac or cerebral), or clinical that go beyond the CHA2DS2-VASc score and potentially aid stroke risk assessment. Although useful in some cases, the presented parameters should be perhaps used to further refine initial identification of patients at low risk, after which effective stroke prevention can be offered to those with ≥1 additional stroke risk factors.
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