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Escal J, Poenou G, Delavenne X, Bezzeghoud S, Mismetti V, Humbert M, Montani D, Bertoletti L. Tailoring oral anticoagulant treatment in the era of multi-drug therapies for PAH and CTEPH. Blood Rev 2024:101240. [PMID: 39245607 DOI: 10.1016/j.blre.2024.101240] [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: 06/26/2024] [Revised: 08/31/2024] [Accepted: 09/02/2024] [Indexed: 09/10/2024]
Abstract
The use of oral anticoagulants in the management of pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH) presents distinct therapeutic challenges and benefits. In PAH, the benefits of oral anticoagulation are uncertain, with studies yielding mixed results on their efficacy and safety. Conversely, oral anticoagulants are a cornerstone in the treatment of CTEPH, where their use is consistently recommended to prevent recurrent thromboembolic events. The choice between vitamin K antagonists (VKAs) and direct oral anticoagulants (DOACs) remains a significant clinical question, as each type presents advantages and potential drawbacks. Furthermore, drug-drug interactions (DDIs) with concomitant PAH and CTEPH treatments complicate anticoagulant management, necessitating careful consideration of individual patient regimens. This review examines the current evidence on oral anticoagulant use in PAH and CTEPH and discusses the implications of DDIs within a context of multi-drug treatments, including targeted drugs in PAH.
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Affiliation(s)
- Jean Escal
- INSERM UMR1059, Université Jean Monnet, F-42023 Saint-Etienne, France; Laboratoire de Pharmacologie et Toxicologie, CHU de Saint-Etienne, F-42055 Saint-Etienne, France.
| | - Geraldine Poenou
- INSERM UMR1059, Université Jean Monnet, F-42023 Saint-Etienne, France; Service de Médecine Vasculaire et Thérapeutique, CHU de Saint-Etienne, F-42055 Saint-Etienne, France.
| | - Xavier Delavenne
- INSERM UMR1059, Université Jean Monnet, F-42023 Saint-Etienne, France; Laboratoire de Pharmacologie et Toxicologie, CHU de Saint-Etienne, F-42055 Saint-Etienne, France.
| | - Souad Bezzeghoud
- Service de Médecine Vasculaire et Thérapeutique, INSERM CIC-1408, CHU de Saint-Etienne, F-42055 Saint-Etienne, France.
| | - Valentine Mismetti
- INSERM UMR1059, Université Jean Monnet, F-42023 Saint-Etienne, France; Service de Pneumologie, CHU de Saint-Etienne, F-42055 Saint-Etienne, France.
| | - Marc Humbert
- INSERM UMR-S 999, Université Paris-Saclay, Paris, France; Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre (APHP), Le Kremlin-Bicêtre, France.
| | - David Montani
- INSERM UMR-S 999, Université Paris-Saclay, Paris, France; Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de L'Hypertension Pulmonaire OrphaLung, Hôpital de Bicêtre (APHP), Le Kremlin-Bicêtre, France.
| | - Laurent Bertoletti
- INSERM UMR1059, Université Jean Monnet, F-42023 Saint-Etienne, France; Service de Médecine Vasculaire et Thérapeutique, INSERM CIC-1408, INNOVTE, CHU de Saint-Etienne, F-42055 SaintEtienne, France.
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Carlin S, Cuker A, Gatt A, Gendron N, Hernández-Gea V, Meijer K, Siegal DM, Stanworth S, Lisman T, Roberts LN. Anticoagulation for stroke prevention in atrial fibrillation and treatment of venous thromboembolism and portal vein thrombosis in cirrhosis: guidance from the SSC of the ISTH. J Thromb Haemost 2024; 22:2653-2669. [PMID: 38823454 DOI: 10.1016/j.jtha.2024.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/14/2024] [Accepted: 05/20/2024] [Indexed: 06/03/2024]
Abstract
While advanced liver disease was previously considered to be an acquired bleeding disorder, there is increasing recognition of an associated prothrombotic state with patients being at higher risk of atrial fibrillation (AF) and stroke and venous thromboembolism (VTE) including portal vein thrombosis (PVT). We review the available literature on epidemiology, pathophysiology, and risk factors and provide guidance on anticoagulant management of these conditions in adults with cirrhosis. In patients with Child-Pugh A or B cirrhosis and AF, we recommend anticoagulation with standard-dose direct oral anticoagulants (DOACs) in accordance with cardiology guideline recommendations for patients without liver disease. In those with Child-Pugh C cirrhosis, there is inadequate evidence with respect to the benefit and risk of anticoagulation for stroke prevention in AF. In patients with cirrhosis and acute deep vein thrombosis or pulmonary embolism, we recommend anticoagulation and suggest use of either a DOAC or low-molecular-weight heparin (LMWH)/vitamin K antagonist (VKA) in Child-Pugh A or B cirrhosis and LMWH alone (or as a bridge to VKA in patients with a normal baseline international normalized ratio) in Child-Pugh C cirrhosis. We recommend anticoagulation for patients with cirrhosis and symptomatic PVT. We suggest anticoagulation for those with asymptomatic, progressing PVT and recommend continuing extended anticoagulation for liver transplant candidates with PVT.
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Affiliation(s)
- Stephanie Carlin
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
| | - Adam Cuker
- Department of Medicine and Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Alexander Gatt
- Department of Pathology, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Nicolas Gendron
- University Paris Cité, Innovative Therapies in Haemostasis, National Institute for Health and Medical Research (INSERM), Paris, France; Hematology Department, Assistance Publique Hôpitaux de Paris, Centre-Université de Paris (APHP, CUP), Paris, France
| | - Virginia Hernández-Gea
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain; Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain; Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Karina Meijer
- Department of Haematology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Deborah M Siegal
- Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Simon Stanworth
- Transfusion Medicine, National Health Service Blood and Transplant, Oxford, United Kingdom; Department of Haematology, Oxford University Hospitals, National Health Service Foundation Trust, Oxford, United Kingdom; Radcliffe Department of Medicine, University of Oxford and National Institute for Health and Care Research Oxford Biomedical Research Centre (Haematology), Oxford, United Kingdom
| | - Ton Lisman
- Surgical Research Laboratory and Section of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Lara N Roberts
- King's Thrombosis Centre, Department of Haematological Medicine, King's College Hospital, London, United Kingdom
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Afzal A, Gage BF, Suhong L, Schoen M, Sanfilippo KM. Modest performance of risk-prediction models for anticoagulant-related bleeding in patients with chronic liver disease. Thromb Res 2024; 237:138-140. [PMID: 38583311 DOI: 10.1016/j.thromres.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/11/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Affiliation(s)
- Amber Afzal
- Department of Medicine, Washington University in St Louis, St Louis, MO, United States of America.
| | - Brian F Gage
- Department of Medicine, Washington University in St Louis, St Louis, MO, United States of America
| | - Luo Suhong
- Department of Medicine, St. Louis Veterans Administration Medical Center, St Louis, MO, United States of America
| | - Martin Schoen
- Department of Medicine, St. Louis Veterans Administration Medical Center, St Louis, MO, United States of America
| | - Kristen M Sanfilippo
- Department of Medicine, Washington University in St Louis, St Louis, MO, United States of America; Department of Medicine, St. Louis Veterans Administration Medical Center, St Louis, MO, United States of America
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Douros A, Cui Y, Platt RW, Filion KB, Sebastiani G, Renoux C. Effectiveness and safety of direct oral anticoagulants among patients with non-valvular atrial fibrillation and liver disease: A multinational cohort study. Thromb Res 2024; 237:71-78. [PMID: 38552497 DOI: 10.1016/j.thromres.2024.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 03/19/2024] [Accepted: 03/22/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND AND AIMS The effects of direct oral anticoagulants (DOACs) in patients with non-valvular atrial fibrillation (NVAF) and liver disease remain poorly understood. Our multinational cohort study assessed the effectiveness and safety of DOACs in this high-risk population. METHODS We assembled two population-based cohorts in United Kingdom and in Québec of NVAF patients with liver disease initiating DOACs or vitamin K antagonists (VKAs) between 2011 and 2020. Using an as-treated exposure definition, we compared DOACs to VKAs and apixaban to rivaroxaban. After inverse probability of treatment weighting, Cox proportional hazards models estimated site-specific hazard ratios (HRs) and 95 % confidence intervals (CIs) of ischemic stroke and major bleeding. Site-specific estimates were pooled using random-effects models. Analyses were repeated among NVAF patients with cirrhosis. RESULTS There were 11,881 NVAF patients with liver disease (2683 with cirrhosis). Among those, 8815 initiated DOACs (4414 apixaban, 2497 rivaroxaban) and 3696 VKAs. The HRs (95 % CIs) for DOACs compared to VKAs were 1.01 (0.76-1.34) for ischemic stroke and 0.87 (0.77-0.99) for major bleeding. Results were consistent among patients with cirrhosis. The HRs (95 % CIs) for apixaban compared to rivaroxaban were 0.85 (0.60-1.20) for ischemic stroke and 0.80 (0.68-0.95) for major bleeding. This decreased bleeding risk was not observed among patients with cirrhosis (HR, 1.01; 95 % CI 0.72-1.43). CONCLUSIONS Among NVAF patients with liver disease, DOACs were as effective and slightly safer than VKAs, and apixaban was as effective but safer than rivaroxaban. The safety benefit with apixaban was not present among patients with cirrhosis.
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Affiliation(s)
- Antonios Douros
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada; Department of Medicine, McGill University, Montreal, Québec, Canada; Centre for Clinical Epidemiology, Lady Davis Institute, Montreal, Québec, Canada; Institute of Clinical Pharmacology and Toxicology, Charité-Universitätsmedizin Berlin, Berlin, Germany.
| | - Ying Cui
- Centre for Clinical Epidemiology, Lady Davis Institute, Montreal, Québec, Canada
| | - Robert W Platt
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada; Centre for Clinical Epidemiology, Lady Davis Institute, Montreal, Québec, Canada; Department of Pediatrics, McGill University, Montreal, Québec, Canada
| | - Kristian B Filion
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada; Department of Medicine, McGill University, Montreal, Québec, Canada; Centre for Clinical Epidemiology, Lady Davis Institute, Montreal, Québec, Canada
| | - Giada Sebastiani
- Department of Medicine, McGill University, Montreal, Québec, Canada; Division of Gastroenterology and Hepatology, McGill University Health Centre, Montreal, Québec, Canada
| | - Christel Renoux
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada; Department of Medicine, McGill University, Montreal, Québec, Canada; Centre for Clinical Epidemiology, Lady Davis Institute, Montreal, Québec, Canada; Department of Neurology and Neurosurgery, McGill University, Montreal, Québec, Canada
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Li Z, Xu W, Wang L, Chai L, Ageno W, Romeiro FG, Li H, Qi X. Risk of Bleeding in Liver Cirrhosis Receiving Direct Oral Anticoagulants: A Systematic Review and Meta-analysis. Thromb Haemost 2023; 123:1072-1088. [PMID: 37336474 DOI: 10.1055/s-0043-1770100] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
BACKGROUND Direct oral anticoagulants (DOACs) are effective for the management of thromboembolic disorders. However, bleeding remains a major concern in cirrhotic patients receiving DOACs. METHODS PubMed, EMBASE, and Cochrane Library databases were searched. The incidence of bleeding episodes in cirrhotic patients receiving DOACs was pooled. Odds ratios (ORs) were calculated to compare the incidence of bleeding episodes in cirrhotic patients who received DOACs versus those who received conventional anticoagulants and did not receive anticoagulants. RESULTS Twenty-nine studies were included. All bleeding, major bleeding, fatal bleeding, gastrointestinal bleeding, and intracranial hemorrhage episodes were observed in 310/2,469, 100/1,388, 2/611, 166/1,886, and 5/1,147 cirrhotic patients receiving DOACs, respectively. Their pooled incidences were 13, 6, 0, 8, and 0%, respectively. They became higher in subgroup analyses of studies with advanced age, a longer treatment duration, and Child-Turcotte-Pugh class C. Compared with conventional anticoagulants, DOACs were associated with lower incidences of all bleeding (OR = 0.71, 95% confidence interval [CI] = 0.52-0.98) and major bleeding (OR = 0.55, 95% CI = 0.37-0.83) in cirrhotic patients, but not those of fatal bleeding (OR = 0.21, 95% CI = 0.04-1.28), gastrointestinal bleeding (OR = 0.78, 95% CI = 0.52-1.17), or intracranial hemorrhage (OR = 0.36, 95% CI = 0.12-1.12). The incidences of all bleeding (OR = 1.04, 95% CI = 0.22-4.79) and major bleeding (OR = 0.96, 95% CI = 0.26-3.61) did not significantly differ between cirrhotic patients with portal vein thrombosis (PVT) who received DOACs and those who did not receive anticoagulants. CONCLUSION DOACs carry a low risk of bleeding in liver cirrhosis. Age, treatment duration, and Child-Turcotte-Pugh class may be associated with bleeding in cirrhotic patients receiving DOACs. The risk of bleeding is not increased by DOACs in cirrhotic patients with PVT.
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Affiliation(s)
- Zhe Li
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Wentao Xu
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Le Wang
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Postgraduate College, China Medical University, Shenyang, China
| | - Lu Chai
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Walter Ageno
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Fernando Gomes Romeiro
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), São Paulo, Brazil
| | - Hongyu Li
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
- Postgraduate College, China Medical University, Shenyang, China
| | - Xingshun Qi
- Liver Cirrhosis Study Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, China
- Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
- Postgraduate College, China Medical University, Shenyang, China
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Swan D, Lisman T, Tripodi A, Thachil J. The prothrombotic tendency of metabolic-associated fatty liver disease. J Thromb Haemost 2023; 21:3045-3055. [PMID: 37353082 DOI: 10.1016/j.jtha.2023.06.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/12/2023] [Accepted: 06/12/2023] [Indexed: 06/25/2023]
Abstract
Our understanding of the function of the liver has evolved over the centuries. Early theories proposing that the liver could be used to divine the future have been superseded by our current knowledge of the importance of the liver in processes such as digestion and detoxification. Similarly, although liver disease was previously associated with only an increased risk of bleeding, there is now a substantial body of evidence demonstrating an increased thrombotic potential in patients with this disease. Metabolic-associated fatty liver disease (MAFLD) is increasing in frequency and is likely to overtake alcoholic liver disease as the primary indication for liver transplant in the future. In this review, we discuss the evidence linking liver disease, and MAFLD in particular, with arterial and venous thromboembolic disease. We review the safety and efficacy of anticoagulation in advanced liver disease and consider whether antithrombotic agents could slow or halt the progression of fibrosis in MAFLD.
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Affiliation(s)
- Dawn Swan
- Department of Haematology, Beaumont Hospital, Dublin, Ireland.
| | - Ton Lisman
- Surgical Research Laboratory, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Armando Tripodi
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione Luigi Villa, Milano, Italy
| | - Jecko Thachil
- Department of Haematology, Manchester University Hospitals, Oxford Road, Manchester, UK
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Parikh NS, Basu E, Hwang MJ, Rosenblatt R, VanWagner LB, Lim HI, Murthy SB, Kamel H. Management of Stroke in Patients With Chronic Liver Disease: A Practical Review. Stroke 2023; 54:2461-2471. [PMID: 37417238 PMCID: PMC10527812 DOI: 10.1161/strokeaha.123.043011] [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] [Indexed: 07/08/2023]
Abstract
Chronic liver disease (CLD) is a highly prevalent condition. There is burgeoning recognition that there are many people with subclinical liver disease that may nonetheless be clinically significant. CLD has a variety of systemic aberrations relevant to stroke, including thrombocytopenia, coagulopathy, elevated liver enzymes, and altered drug metabolism. There is a growing body of literature on the intersection of CLD and stroke. Despite this, there have been few efforts to synthesize these data, and stroke guidelines provide scant guidance on this topic. To fill this gap, this multidisciplinary review provides a contemporary overview of CLD for the vascular neurologist while appraising data regarding the impact of CLD on stroke risk, mechanisms, and outcomes. Finally, the review addresses acute and chronic treatment considerations for patients with stroke-ischemic and hemorrhagic-and CLD.
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Affiliation(s)
- Neal S Parikh
- Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute and Department of Neurology (N.S.P., E.B., S.B.M., H.K.), Weill Cornell Medicine, New York, NY
| | | | - Mu Ji Hwang
- Department of Neurology, Brown University, Providence, RI (M.J.H.)
| | - Russel Rosenblatt
- Division of Gastroenterology and Hepatology, Department of Internal Medicine (R.R.), Weill Cornell Medicine, New York, NY
| | - Lisa B VanWagner
- Division of Digestive and Liver Diseases, Department of Internal Medicine, University of Texas Southwestern, Dallas (L.B.V.)
| | - Hana I Lim
- Division of Hematology and Oncology, Department of Internal Medicine.(H.I.L.), Weill Cornell Medicine, New York, NY
| | - Santosh B Murthy
- Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute and Department of Neurology (N.S.P., E.B., S.B.M., H.K.), Weill Cornell Medicine, New York, NY
| | - Hooman Kamel
- Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute and Department of Neurology (N.S.P., E.B., S.B.M., H.K.), Weill Cornell Medicine, New York, NY
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Lawal OD, Aronow HD, Shobayo F, Hume AL, Taveira TH, Matson KL, Zhang Y, Wen X. Comparative Effectiveness and Safety of Direct Oral Anticoagulants and Warfarin in Patients With Atrial Fibrillation and Chronic Liver Disease: A Nationwide Cohort Study. Circulation 2023; 147:782-794. [PMID: 36762560 DOI: 10.1161/circulationaha.122.060687] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
BACKGROUND The benefit-risk profile of direct oral anticoagulants (DOACs) compared with warfarin, and between DOACs in patients with atrial fibrillation (AF) and chronic liver disease is unclear. METHODS We conducted a new-user, retrospective cohort study of patients with AF and chronic liver disease who were enrolled in a large, US-based administrative database between January 1, 2011, and December 31, 2017. We assessed the effectiveness and safety of DOACs (as a class and individually) compared with warfarin, and between DOACs in patients with AF and chronic liver disease. The primary outcomes were hospitalization for ischemic stroke/systemic embolism and hospitalization for major bleeding. Inverse probability treatment weights were used to balance the treatment groups on measured confounders. RESULTS Overall, 10 209 participants were included, with 4421 (43.2%) on warfarin, 2721 (26.7%) apixaban, 2211 (21.7%) rivaroxaban, and 851 (8.3%) dabigatran. The incidence rates per 100 person-years for ischemic stroke/systemic embolism were 2.2, 1.4, 2.6, and 4.4 for DOACs as a class, apixaban, rivaroxaban, and warfarin, respectively. The incidence rates per 100 person-years for major bleeding were 7.9, 6.5, 9.1, and 15.0 for DOACs as a class, apixaban, rivaroxaban, and warfarin, respectively. After inverse probability treatment weights, the risk of hospitalization for ischemic stroke/systemic embolism was significantly lower between DOACs as a class (hazard ratio [HR], 0.64 [95% CI, 0.46-0.90]) or apixaban (HR, 0.40 [95% CI, 0.19-0.82]) compared with warfarin, but not significantly different between rivaroxaban versus warfarin (HR, 0.76 [95% CI, 0.47-1.21]) or rivaroxaban versus apixaban (HR, 1.73 [95% CI, 0.91-3.29]). Compared with warfarin, the risk of hospitalization for major bleeding was lower with DOACs as a class (HR, 0.69 [95% CI, 0.58-0.82]), apixaban (HR, 0.60 [95% CI, 0.46-0.78]), and rivaroxaban (HR, 0.79 [95% CI, 0.62-1.0]). However, the risk of hospitalization for major bleeding was higher for rivaroxaban versus apixaban (HR, 1.59 [95% CI, 1.18-2.14]). CONCLUSIONS Among patients with AF and chronic liver disease, DOACs as a class were associated with lower risks of hospitalization for ischemic stroke/systemic embolism and major bleeding versus warfarin. However, the incidence of clinical outcomes among patients with AF and chronic liver disease varied between individual DOACs and warfarin, and in head-to-head DOAC comparisons.
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Affiliation(s)
- Oluwadolapo D Lawal
- Department of Pharmacy Practice, College of Pharmacy (O.D.L., A.L.H., T.H.T., K.L.M., X.W.), University of Rhode Island, Kingston
| | - Herbert D Aronow
- Lifespan Cardiovascular Institute, Providence, RI (H.D.A., T.H.T.).,Warren Alpert Medical School of Brown University, Providence, RI (H.D.A., T.H.T.)
| | - Fisayomi Shobayo
- Department of Cardiology, University of Texas Health Science Center, Houston (F.S.)
| | - Anne L Hume
- Department of Pharmacy Practice, College of Pharmacy (O.D.L., A.L.H., T.H.T., K.L.M., X.W.), University of Rhode Island, Kingston
| | - Tracey H Taveira
- Department of Pharmacy Practice, College of Pharmacy (O.D.L., A.L.H., T.H.T., K.L.M., X.W.), University of Rhode Island, Kingston.,Lifespan Cardiovascular Institute, Providence, RI (H.D.A., T.H.T.).,Warren Alpert Medical School of Brown University, Providence, RI (H.D.A., T.H.T.).,Providence Veterans Affairs Medical Center, RI (T.H.T.)
| | - Kelly L Matson
- Department of Pharmacy Practice, College of Pharmacy (O.D.L., A.L.H., T.H.T., K.L.M., X.W.), University of Rhode Island, Kingston
| | - Yichi Zhang
- Department of Computer Sciences and Statistics (Y.Z.), University of Rhode Island, Kingston
| | - Xuerong Wen
- Department of Pharmacy Practice, College of Pharmacy (O.D.L., A.L.H., T.H.T., K.L.M., X.W.), University of Rhode Island, Kingston
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9
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Costache RS, Dragomirică AS, Gheorghe BE, Balaban VD, Stanciu SM, Jinga M, Costache DO. Oral Anticoagulation in Patients with Chronic Liver Disease. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020346. [PMID: 36837547 PMCID: PMC9967228 DOI: 10.3390/medicina59020346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023]
Abstract
The administration of an anticoagulant in patients with liver disease (nonalcoholic steatohepatitis-NASH, nonalcoholic fatty liver disease-NAFLD, chronic hepatitis, or cirrhosis) who have an indication (atrial fibrillation, venous thrombosis, or pulmonary embolism) is challenging because there is an imbalance between thrombosis and bleeding. There is a need to focus our attention on preventing risk factors because diabetes, obesity, dyslipidemia, smoking, and sedentary behavior are risk factors for both NASH/NAFLD and AF, and these patients require anticoagulant treatment. Patients with advanced liver disease (Child-Pugh C) were excluded from studies, so vitamin K antagonists (VKAs) are still recommended. Currently, VKAs are recommended for other conditions (antiphospholipid syndrome, mitral valve stenosis, and mechanical valve prosthesis). Amongst the patients under chronic anticoagulant treatment, especially for the elderly, bleeding as a result of the improper use of warfarin is one of the important causes of emergency admissions due to adverse reactions. DOACs are considered to be efficient and safe, with apixaban offering superior protection against stroke and a good safety profile as far as major bleeding is concerned compared to warfarin. DOACs are safe in the Child-Pugh A and B classes (except rivaroxaban), and in the Child-Pugh C class are contraindicated. Given that there are certain and reliable data for chronic kidney disease regarding the recommendations, in liver function impairment more randomized studies must be carried out, as the current data are still uncertain. In particular, DOACs have a simple administration, minimal medication interactions, a high safety and effectiveness profile, and now a reversal agent is available (for dabigatran and idarucizumab). Patients are also statistically more compliant and do not require INR monitoring.
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Affiliation(s)
- Raluca S Costache
- Internal Medicine and Gastroenterology Discipline, Carol Davila University of Medicine and Pharmacy, 7000 Bucharest, Romania
| | - Andreea S Dragomirică
- Gastroenterology Department, Carol Davila University Central Emergency Military Hospital, 7000 Bucharest, Romania
| | - Bogdan E Gheorghe
- Gastroenterology Department, Carol Davila University Central Emergency Military Hospital, 7000 Bucharest, Romania
| | - Vasile D Balaban
- Internal Medicine and Gastroenterology Discipline, Carol Davila University of Medicine and Pharmacy, 7000 Bucharest, Romania
| | - Silviu M Stanciu
- Internal Medicine and Gastroenterology Discipline, Carol Davila University of Medicine and Pharmacy, 7000 Bucharest, Romania
| | - Mariana Jinga
- Internal Medicine and Gastroenterology Discipline, Carol Davila University of Medicine and Pharmacy, 7000 Bucharest, Romania
| | - Daniel O Costache
- Dermatology II Discipline, Carol Davila University of Medicine and Pharmacy, 7000 Bucharest, Romania
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Lopez-Delgado JC, Putzu A, Landoni G. The importance of liver function assessment before cardiac surgery: A narrative review. Front Surg 2022; 9:1053019. [PMID: 36561575 PMCID: PMC9764862 DOI: 10.3389/fsurg.2022.1053019] [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: 09/24/2022] [Accepted: 11/15/2022] [Indexed: 12/12/2022] Open
Abstract
The demand for cardiac surgery procedures is increasing globally. Thanks to an improvement in survival driven by medical advances, patients with liver disease undergo cardiac surgery more often. Liver disease is associated with the development of heart failure, especially in patients with advanced cirrhosis. Cardiovascular risk factors can also contribute to the development of both cardiomyopathy and liver disease and heart failure itself can worsen liver function. Despite the risk that liver disease and cirrhosis represent for the perioperative management of patients who undergo cardiac surgery, liver function is often not included in common risk scores for preoperative evaluation. These patients have worse short and long-term survival when compared with other cardiac surgery populations. Preoperative evaluation of liver function, postoperative management and close postoperative follow-up are crucial for avoiding complications and improving results. In the present narrative review, we discuss the pathophysiological components related with postoperative complications and mortality in patients with liver disease who undergo cardiac surgery and provide recommendations for the perioperative management.
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Affiliation(s)
- Juan C. Lopez-Delgado
- Hospital Clinic de Barcelona, Area de Vigilancia Intensiva (ICMiD), Barcelona, Spain,IDIBELL (Institut d’Investigació Biomèdica Bellvitge; Biomedical Investigation Institute of Bellvitge), L’Hospitalet de Llobregat, Barcelona, Spain,Correspondence: Juan C. Lopez-Delgado Alessandro Putzu
| | - Alessandro Putzu
- Division of Anesthesiology, Department of Acute Medicine, Geneva University Hospitals, Geneva, Switzerland,Correspondence: Juan C. Lopez-Delgado Alessandro Putzu
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy,Vita-Salute San Raffaele University, Milan, Italy
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11
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Retrospective evaluation of early thrombosis in transjugular intrahepatic portosystemic polytetrafluoroethylene-coated shunts under 2-day postinterventional heparinization. Sci Rep 2022; 12:10506. [PMID: 35732875 PMCID: PMC9217914 DOI: 10.1038/s41598-022-14388-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 06/06/2022] [Indexed: 11/08/2022] Open
Abstract
The development of acute thrombosis within the TIPS tract may be prevented by prophylactic anticoagulation; however, there is no evidence of the correct anticoagulation regimen after TIPS placement. The purpose of this single-center retrospective study was to evaluate the short-term occlusion rate of transjugular intrahepatic portosystemic shunts (TIPSs) with polytetrafluorethylene (PTFE)-coated stents under consequent periprocedural full heparinization (target partial thromboplastin time [PTT]: 60–80 s). We analyzed TIPS placements that were followed up over a six-month period by Doppler ultrasound in 94 patients and compared the study group of 54 patients who received intravenous periprocedural full heparinization (target PTT: 60–80 s) without any other anticoagulation to patients with prolonged anticoagulation medication. The primary endpoint was TIPS patency after six months. The primary patency rate was 88.3% overall, and in the study group, 90.7%, with an early thrombosis rate of 3.2% (study group: 1.9%) and a primary assisted patency rate of 95.7% (study group: 96.3%). In the study group, one case of TIPS thrombosis occurred on the 23rd day after TIPS placement. Two patients underwent reintervention because of stenosis or buckling. Moreover, the target PTT was not attained in 8 of the 54 patent TIPSs. Four patients had an increased portosystemic pressure gradient, without stenosis, and the flow rate was corrected by increasing the TIPS diameter by dilation. Two-day heparinization seems sufficient to avoid early TIPS thrombosis over a six-month period.
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12
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Chao T, Joung B, Takahashi Y, Lim TW, Choi E, Chan Y, Guo Y, Sriratanasathavorn C, Oh S, Okumura K, Lip GYH. 2021 Focused update of the 2017 consensus guidelines of the Asia Pacific Heart Rhythm Society (APHRS) on stroke prevention in atrial fibrillation. J Arrhythm 2021; 37:1389-1426. [PMID: 34887945 PMCID: PMC8637102 DOI: 10.1002/joa3.12652] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 10/22/2021] [Indexed: 12/19/2022] Open
Abstract
The consensus of the Asia Pacific Heart Rhythm Society (APHRS) on stroke prevention in atrial fibrillation (AF) has been published in 2017 which provided useful clinical guidance for cardiologists, neurologists, geriatricians, and general practitioners in Asia-Pacific region. In these years, many important new data regarding stroke prevention in AF were reported. The Practice Guidelines subcommittee members comprehensively reviewed updated information on stroke prevention in AF, and summarized them in this 2021 focused update of the 2017 consensus guidelines of the APHRS on stroke prevention in AF. We highlighted and focused on several issues, including the importance of AF Better Care (ABC) pathway, the advantages of non-vitamin K antagonist oral anticoagulants (NOACs) for Asians, the considerations of use of NOACs for Asian patients with AF with single 1 stroke risk factor beyond gender, the role of lifestyle factors on stroke risk, the use of oral anticoagulants during the "coronavirus disease 2019" (COVID-19) pandemic, etc. We fully realize that there are gaps, unaddressed questions, and many areas of uncertainty and debate in the current knowledge of AF, and the physician's decision remains the most important factor in the management of AF.
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Affiliation(s)
- Tze‐Fan Chao
- Division of CardiologyDepartment of MedicineTaipei Veterans General HospitalTaipeiTaiwan
- Institute of Clinical Medicine, and Cardiovascular Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Boyoung Joung
- Division of CardiologyDepartment of Internal MedicineYonsei University College of MedicineSeoulRepublic of Korea
| | - Yoshihide Takahashi
- The Department of Advanced Arrhythmia ResearchTokyo Medical and Dental UniversityTokyoJapan
| | - Toon Wei Lim
- National University Heart CentreNational University HospitalSingaporeSingapore
| | - Eue‐Keun Choi
- Department of Internal MedicineSeoul National University HospitalSeoulRepublic of Korea
| | - Yi‐Hsin Chan
- Microscopy Core LaboratoryChang Gung Memorial HospitalLinkouTaoyuanTaiwan
- College of MedicineChang Gung UniversityTaoyuanTaiwan
- Microscopy Core LaboratoryChang Gung Memorial HospitalLinkouTaoyuanTaiwan
| | - Yutao Guo
- Pulmonary Vessel and Thrombotic DiseaseChinese PLA General HospitalBeijingChina
| | | | - Seil Oh
- Department of Internal MedicineSeoul National University HospitalSeoulRepublic of Korea
| | - Ken Okumura
- Division of CardiologySaiseikai Kumamoto HospitalKumamotoJapan
| | - Gregory Y. H. Lip
- Liverpool Centre for Cardiovascular ScienceUniversity of Liverpool & Liverpool Heart and Chest HospitalLiverpoolUK
- Aalborg Thrombosis Research UnitDepartment of Clinical MedicineAalborg UniversityAalborgDenmark
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13
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Chang WH, Mueller SH, Tan YY, Lai AG. Antithrombotic therapy in patients with liver disease: population-based insights on variations in prescribing trends, adherence, persistence and impact on stroke and bleeding. THE LANCET REGIONAL HEALTH. EUROPE 2021; 10:100222. [PMID: 34806071 PMCID: PMC8589727 DOI: 10.1016/j.lanepe.2021.100222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
BACKGROUND Patients with liver disease have complex haemostasis and due to such contraindications, landmark randomised controlled trials investigating antithrombotic medicines have often excluded these patients. As a result, there has been limited consensus on the safety, efficacy and monitoring practices of anticoagulant and antiplatelet therapy in patients with liver disease. This study aims to investigate prescribing prevalence, adherence, persistence and impact of adherence on bleeding and stroke risk in people with and without liver disease taking anticoagulants and antiplatelets. METHODS We employed a population-based cohort consisting of person-level linked records from primary care, secondary care and the death registry. The cohort consisted of 3,929,596 adults aged ≥ 30 years during the study period of 1998 to 2020 and registered with an NHS general practitioner in England. The primary outcome was prescribing prevalence, adherence to and persistence with anticoagulant and antiplatelet therapy comparing patients with and without liver disease. Risk factors for non-adherence and non-persistence were analysed using multivariable logistic regression and Cox regression. Impact of adherence on bleeding and ischaemic stroke was assessed. FINDINGS Among patients with any of the six liver diseases (ALD, autoimmune liver disease, cirrhosis, HBV, HCV and NAFLD), we identified 4,237 individuals with incident atrial fibrillation (indication for anticoagulants) and 4,929 individuals with incident myocardial infarction, transient ischaemic attack, unstable angina or peripheral arterial disease (indication for antiplatelets). Among patients without liver disease, 321,510 and 386,643 individuals were identified as having indications for anticoagulant and antiplatelet therapy, respectively. Among drug-naïve individuals, prescribing prevalence was lower in patients with liver disease compared with individuals without liver disease: anticoagulants (20.6% [806/3,921] vs. 33.5% [103,222/307,877]) and antiplatelets (56.2% [2,207/3,927] vs. 71.1% [249,258/350,803]). Primary non-adherence rates (stopping after one prescription) were higher in patients with liver disease, compared with those without liver disease: anticoagulants (7.9% [64/806] vs. 4.7% [4,841/103,222]) and antiplatelets (6.2% [137/2,207] vs. 4.4% [10,993/249,258]). Among individuals who were not primary non-adherent and had at least 12 months of follow-up, patients with liver disease however had a higher one-year adherence rate: anticoagulants (33.1% [208/628] vs. 29.4% [26,615/90,569]) and antiplatelets (40.9% [743/1,818] vs. 34.4% [76,834/223,154]). Likelihood of non-adherence was lower in apixaban and rivaroxaban (relative to warfarin) and lower in clopidogrel (relative to aspirin). Increased comorbidity burden (by CHA2DS2VASc score) was associated with decreased risk of non-adherence and non-persistence with anticoagulants. Overall rates of 'non-adherent, non-persistent' were highest in warfarin (compared with apixaban and rivaroxaban) and aspirin (compared with clopidogrel or dipyridamole) in patients with and without liver disease. Among patients without liver disease, not taking antithrombotic medications for >3 months was associated with a higher risk of stroke, however, adherence to these medications was also associated with a small increase in risk of bleeding. Patients with liver disease (when compared with those without liver disease) had higher risks of stroke, especially when they stopped taking antiplatelets for >3 months. Patients with liver disease who were adherent to antiplatelets, however, had a higher risk of bleeding compared with patients without liver disease. INTERPRETATION Use of antithrombotic medicines in patients with and without liver disease is suboptimal with heterogeneity across medicines. As patients with liver disease are excluded from major randomised trials for these drugs, our results provide real-world evidence that may inform medicine optimisation strategies. We outline challenges and opportunities for tackling non-adherence, which begins with understanding patients' views of medicines to help them make informed decisions about appropriate use. FUNDING AGL is supported by funding from the Wellcome Trust (204841/Z/16/Z), National Institute for Health Research (NIHR) University College London Hospitals Biomedical Research Centre (BRC714/HI/RW/101440), NIHR Great Ormond Street Hospital Biomedical Research Centre (19RX02), the Health Data Research UK Better Care Catalyst Award (CFC0125) and the Academy of Medical Sciences (SBF006\1084). The funders have no role in the writing of the manuscript or the decision to submit it for publication.
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Affiliation(s)
- Wai Hoong Chang
- Institute of Health Informatics, University College London, London, UK
| | | | - Yen Yi Tan
- Institute of Health Informatics, University College London, London, UK
| | - Alvina G. Lai
- Institute of Health Informatics, University College London, London, UK
- Corresponding author.
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14
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Su T, Fu Z, Nie Z, Guo D. Warfarin compared with non-vitamin K antagonist oral anticoagulants in subjects with liver disease and atrial fibrillation: A meta-analysis. Int J Clin Pract 2021; 75:e14585. [PMID: 34192400 DOI: 10.1111/ijcp.14585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 06/23/2021] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Many concerns were raised about the outcome of non-vitamin K antagonist oral anticoagulants compared with warfarin in subjects with atrial fibrillation and liver disease. However, the reported relationship between their efficacy and safety was variable. This meta-analysis was performed to evaluate this relationship. METHODS A systematic literature search up to July 2020 was performed and six studies included 50 074 subjects with atrial fibrillation and liver disease at the baseline with 32 229 non-vitamin K antagonist oral anticoagulant consumers and 18 920 warfarin consumers. They were reporting relationships between non-vitamin K antagonist oral anticoagulants and warfarin in subjects with atrial fibrillation and liver disease. Odds ratio (OR) with 95% confidence intervals (CIs) was calculated to evaluate the prognostic role of the efficacy and safety of non-vitamin K antagonist oral anticoagulants compared with warfarin in subjects with atrial fibrillation and liver disease subjects using the dichotomous method with a random or fixed-effect model. RESULTS Non-vitamin K antagonist oral anticoagulants consumption was significantly related to lower all-cause mortality in subjects with atrial fibrillation and liver disease (OR, 0.90; 95% CI, 0.81-0.99, P = .03); lower intracranial haemorrhage (OR, 0.67; 95% CI, 0.55- 0.82, P < .001) and low stroke and system embolism (OR, 0.76; 95% CI, 0.68-0.86, P < .001) compared with warfarin consumption. However, non-vitamin K antagonist oral anticoagulants consumption was not significantly related to lower major bleeding in subjects with atrial fibrillation and liver disease (OR, 0.73; 95% CI, 0.52-1.02, P = .06); and gastrointestinal bleeding (OR, 0.93; 95% CI, 0.58-1.49, P = .77) compared with warfarin consumption. CONCLUSIONS Based on this meta-analysis, non-vitamin K antagonist oral anticoagulant consumption may have an independent lower risk relationship with all-cause mortality, intracranial haemorrhage, and stroke and system embolism compared with warfarin consumption in subjects with atrial fibrillation and liver disease. This relationship forces us to recommend non-vitamin K antagonist oral anticoagulant use in subjects with atrial fibrillation and liver disease for better outcomes and to avoid any possible complications. Further studies are required.
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Affiliation(s)
- Taomin Su
- Department of General Practice, Gongli Hospital, The Second Military Medical University, Shanghai, China
| | - Zheng Fu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhihong Nie
- Department of General Practice, Gongli Hospital, The Second Military Medical University, Shanghai, China
| | - Dongfeng Guo
- Department of General Practice, Gongli Hospital, The Second Military Medical University, Shanghai, China
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15
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Wen X, Wang S, Taveira TH, Akhlaghi F. Required warfarin dose and time in therapeutic range in patients with diagnosed Nonalcoholic Fatty Liver Disease (NAFLD) or Nonalcoholic Steatohepatitis (NASH). PLoS One 2021; 16:e0251665. [PMID: 34525124 PMCID: PMC8443040 DOI: 10.1371/journal.pone.0251665] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/29/2021] [Indexed: 12/29/2022] Open
Abstract
Warfarin has been widely used to treat thromboembolism. The effect of nonalcoholic fatty liver disease (NAFLD) or nonalcoholic steatohepatitis (NASH), on warfarin dosing remains unknown. This study aims to examine the effects of NAFLD/NASH on the average daily dose (ADD) of warfarin and the time in therapeutic range (TTR). This is a retrospective study utilizing an administrative data. We included patients with at least 2 months of warfarin dispensing and two subsequent consecutive INR measures. The ADD of warfarin to achieve therapeutic range INR levels, and TTR were compared between patients with and without NAFLD/NASH in four subgroups of patients accounting for the presence of obesity and diabetes. Generalized linear models (GLM) with Propensity score (PS) fine stratification were applied to evaluate the relative differences (RD) of warfarin ADD and TTR (>60%) in four subgroups. A total of 430 NAFLD/NASH patients and 38,887 patients without NAFLD/NASH were included. The ADD and TTR, were not significant in the overall cohort between those with and without NAFLD/NASH. However, GLM results in patients without diabetes or obesity (N = 26,685) showed a significantly lower warfarin ADD (RD: -0.38; 95%CI: -0.74–-0.02) and shorter TTR (OR: 0.71; 95%CI: 0.52–0.97) in patients diagnosed with NAFLD/NASH. The effects of NAFLD/NASH on warfarin dose or TTR were observed in patients without obesity and diabetes. Obesity and diabetes appear to be significant modifiers for the effects of NAFLD/NASH on warfarin dose and TTR.
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Affiliation(s)
- Xuerong Wen
- Health Outcomes, Department of Pharmacy Practice, College of Pharmacy, University of Rhode Island, Kingston, RI, United States of America
| | - Shuang Wang
- Health Outcomes, Department of Pharmacy Practice, College of Pharmacy, University of Rhode Island, Kingston, RI, United States of America
| | - Tracey H Taveira
- Health Outcomes, Department of Pharmacy Practice, College of Pharmacy, University of Rhode Island, Kingston, RI, United States of America.,Cardiovascular Department, Providence Veterans Affairs Medical Center, Providence, RI, United States of America.,Warren Alpert School of Medicine, Brown University, Providence, RI, United States of America
| | - Fatemeh Akhlaghi
- Clinical Pharmacokinetics Research Laboratory, Department of Biomedical and Pharmaceutical Science, College of Pharmacy, University of Rhode Island, Kingston, RI, United States of America
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16
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Okushi Y, Kusunose K, Okayama Y, Zheng R, Nakai M, Sumita Y, Ise T, Tobiume T, Yamaguchi K, Yagi S, Fukuda D, Yamada H, Soeki T, Wakatsuki T, Sata M. Acute Hospital Mortality of Venous Thromboembolism in Patients With Cancer From Registry Data. J Am Heart Assoc 2021; 10:e019373. [PMID: 34027673 PMCID: PMC8483529 DOI: 10.1161/jaha.120.019373] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background The prognosis of patients with cancer-venous thromboembolism (VTE) is not well known because of a lack of registry data. Moreover, there is also no knowledge on how specific types are related to prognosis. We sought to evaluate the clinical characteristics and outcomes of patients with cancer-associated VTE, compared with a matched cohort without cancer using real-world registry data of VTE. Methods and Results This study was based on the Diagnosis Procedure Combination database in the JROAD-DPC (Japanese Registry of All Cardiac and Vascular Diseases and the Diagnosis Procedure Combination). Of 5 106 151 total patients included in JROAD-DPC, we identified 49 580 patients who were first hospitalized with VTE from April 2012 to March 2017. Propensity score was estimated with a logistic regression model, with cancer as the dependent variable and 18 clinically relevant covariates. After propensity matching, there were 25 148 patients with VTE with or without cancer. On propensity score-matched analysis with 25 148 patients with VTE, patients with cancer had higher total in-hospital mortality within 7 days (1.3% versus 1.1%, odds ratio [OR], 1.66; 95% CI, 1.31-2.11; P<0.0001), 14 days (2.5% versus 1.5%, OR, 2.07; 95% CI, 1.72-2.49; P<0.0001), and 30 days (4.8% versus 2.0%, OR, 2.85; 95% CI, 2.45-3.31; P<0.0001). On analysis for each type of cancer, in-hospital mortality in 11 types of cancer was significantly high, especially pancreas (OR, 12.96; 95% CI, 6.41-26.20), biliary tract (OR, 8.67; 95% CI, 3.00-25.03), and liver (OR, 7.31; 95% CI, 3.05-17.50). Conclusions Patients with cancer had a higher in-hospital acute mortality for VTE than those without cancer, especially in pancreatic, biliary tract, and liver cancers.
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Affiliation(s)
- Yuichiro Okushi
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Yoshihiro Okayama
- Clinical Trial Center for Developmental Therapeutics Tokushima University Hospital Tokushima Japan
| | - Robert Zheng
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Michikazu Nakai
- Center for Cerebral and Cardiovascular Disease Information National Cerebral and Cardiovascular Center Osaka Japan
| | - Yoko Sumita
- Center for Cerebral and Cardiovascular Disease Information National Cerebral and Cardiovascular Center Osaka Japan
| | - Takayuki Ise
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Takeshi Tobiume
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Shusuke Yagi
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Daiju Fukuda
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Hirotsugu Yamada
- Department of Community Medicine Tokushima University Graduate School of Biomedical Sciences Tokushima Japan
| | - Takeshi Soeki
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine Tokushima University Hospital Tokushima Japan
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17
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Violi F, Loffredo L, Pastori D. Anticoagulation in patients with advanced liver disease: an open issue. Intern Emerg Med 2021; 16:61-71. [PMID: 33073317 DOI: 10.1007/s11739-020-02526-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022]
Abstract
Liver disease has been long considered as a risk factor for bleeding for the presence of prolongation of global tests of clotting activation and low platelet count. For this reason, the use of anticoagulants in patients with liver disease and an indication to anticoagulation, such as atrial fibrillation of venous thrombosis, has been poorly considered. Furthermore, recent studies underscored the fact that patients with chronic liver disease may experience thrombosis in portal as well as systemic circulation and treatment with anticoagulants should be considered. The introduction of direct oral anticoagulants has increased therapeutic options for thromboprophylaxis; however, evidence on their safety and efficacy in specific populations, such as patients with liver disease, is still scarce and needs further investigation. Thus, atrial fibrillation patients with coexistent liver disease have been excluded from clinical trials with direct oral anticoagulants. Here, we provide an overview on mechanisms of thrombosis in patients with advanced chronic liver disease and a summary of evidence on the use of oral anticoagulants in patients with liver disease and portal vein thrombosis or atrial fibrillation.
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Affiliation(s)
- Francesco Violi
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, I Clinica Medica, Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy.
- Mediterranea Cardiocentro, via Orazio 2, 80122, Naples, Italy.
| | - Lorenzo Loffredo
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, I Clinica Medica, Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy
| | - Daniele Pastori
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, I Clinica Medica, Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy
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18
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Kartas A, Doundoulakis I, Ntiloudi D, Koutsakis A, Kosmidis D, Rampidis G, Apostolopoulou S, Frogoudaki A, Tzifa A, Avramidis D, Ntzoyvara O, Liori S, Mousiama T, Mouratoglou SA, Karvounis H, Giannakoulas G. Rationale and design of a prospective, observational, multicentre study on the safety and efficacy of apixaban for the prevention of thromboembolism in adults with congenital heart disease and atrial arrhythmias: the PROTECT-AR study. BMJ Open 2020; 10:e038012. [PMID: 32963069 PMCID: PMC7509965 DOI: 10.1136/bmjopen-2020-038012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION The risk for stroke in adults with congenital heart disease (ACHD) is increased, especially in the setting of commonly ensuing atrial arrhythmias (AA), namely atrial fibrillation, atrial flutter or intra-atrial re-entrant tachycardia. Data are limited regarding treatment with non-vitamin K oral anticoagulants in long-term studies involving patients with ACHD and AA. METHODS AND ANALYSIS PReventiOn of ThromboEmbolism in Adults with Congenital HearΤ disease and Atrial aRrhythmias is a prospective, multicenter, single-arm, non-interventional cohort study designed to investigate the safety and efficacy of apixaban for the prevention of thromboembolism in ACHD with AA in a 'real-world' setting. Eligible patients will be evaluated by the means of available registries and clinical counter. The study aims to accumulate approximately 500 patient-years of exposure to apixaban as part of routine care. Enrolment will take place at four ACHD centres in Greece. The first patient was enrolled in July 2019. The primary efficacy endpoint is a composite of stroke, systemic or pulmonary embolism and intracardiac thrombosis. The primary safety endpoint is major bleeding, according to the International Society on Thrombosis and Haemostasis bleeding criteria. ETHICS AND DISSEMINATION The study protocol has been approved by the institutional review board/independent ethics committee at each site prior to study commencement. All patients will provide written informed consent. Results will be disseminated at scientific meetings and published in peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT03854149; Pre-results.
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Affiliation(s)
- Anastasios Kartas
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - Ioannis Doundoulakis
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - Despoina Ntiloudi
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - Athanasios Koutsakis
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - Diamantis Kosmidis
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - Georgios Rampidis
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | | | | | - Afrodite Tzifa
- Paediatric Cardiology & Adult Congenital Heart Disease, Mitera, Hygeia Group, Athens, Attica, Greece
- Division of Biomedical Engineering and Imaging Sciences, King's College, London, England
| | - Dimosthenis Avramidis
- Paediatric Cardiology & Adult Congenital Heart Disease, Mitera, Hygeia Group, Athens, Attica, Greece
| | - Olga Ntzoyvara
- Cardiology, Onassis Cardiac Surgery Centre, Athens, Attica, Greece
| | - Sotiria Liori
- Cardiology, General University Hospital Attikon, Athens, Attica, Greece
| | - Tereza Mousiama
- Paediatric Cardiology & Adult Congenital Heart Disease, Mitera, Hygeia Group, Athens, Attica, Greece
| | | | - Haralambos Karvounis
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
| | - George Giannakoulas
- Cardiology, University General Hospital of Thessaloniki AHEPA, Thessaloniki, Greece
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19
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Huang ZC, Li CQ, Liu XY, Cao ZC, Jia HY, Dong Y, Liu TL, Sun JJ. Efficacy and Safety of Direct Oral Anticoagulants in Patients with Atrial Fibrillation and Liver Disease: a Meta-Analysis and Systematic Review. Cardiovasc Drugs Ther 2020; 35:1205-1215. [PMID: 32880804 DOI: 10.1007/s10557-020-07065-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/27/2020] [Indexed: 01/11/2023]
Abstract
BACKGROUND Liver disease is associated with increased bleeding risk. The efficacy and safety of direct oral anticoagulants (DOACs) is a subject of contention in atrial fibrillation (AF) patients with liver disease. METHODS Electronic databases (PubMed, Embase, and Cochrane Library) were searched to retrieve studies on the efficacy and safety of DOACs versus warfarin in AF patients with liver disease from January 1980 to April 2020. A meta-analysis was conducted using a random-effects model. RESULTS Six studies involving 41,859 patients were included. Compared with warfarin, DOACs demonstrated significant reduction in ischemic stroke (HR, 0.68; 95% CI (0.54-0.86)), major bleeding (0.74 (0.59-0.92)), and intracranial hemorrhage (ICH) (0.48 (0.40-0.58)), with no significant effect on gastrointestinal bleeding (P = 0.893) in AF patients with liver disease. Similar results were observed in regular-dose, reduced-dose, and active liver disease subgroups, albeit Asian patients had a slight reduction in major bleeding (P = 0.055). Furthermore, the pooled estimates of individual DOAC subgroups indicated that dabigatran and apixaban led to greater safety in major bleeding (P < 0.001), ICH (P < 0.001), and gastrointestinal bleeding (P < 0.005) in these patients. The same trends were observed in AF patients with cirrhosis. CONCLUSIONS Our findings suggest that DOACs significantly reduce the risk of ischemic stroke, major bleeding, and ICH, with no significant effect on the risk of gastrointestinal bleeding in AF patients with liver disease compared with warfarin.
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Affiliation(s)
- Zhi-Chun Huang
- Department of Cardiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Chang-Qing Li
- Department of Cardiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Xiao-Yu Liu
- Department of Cardiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Zhong-Chao Cao
- Department of Cardiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Hai-Yu Jia
- Department of Cardiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Ying Dong
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, 1 Tong Dao North Street, Hohhot, Inner Mongolia, 010059, People's Republic of China
| | - Tian-Long Liu
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, 1 Tong Dao North Street, Hohhot, Inner Mongolia, 010059, People's Republic of China
| | - Jian-Jun Sun
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, 1 Tong Dao North Street, Hohhot, Inner Mongolia, 010059, People's Republic of China.
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20
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Qamar A, Antman EM, Ruff CT, Nordio F, Murphy SA, Grip LT, Greenberger NJ, Yin OQP, Choi Y, Lanz HJ, Mercuri MF, Braunwald E, Giugliano RP. Edoxaban Versus Warfarin in Patients With Atrial Fibrillation and History of Liver Disease. J Am Coll Cardiol 2020; 74:179-189. [PMID: 31296289 DOI: 10.1016/j.jacc.2019.04.061] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 04/24/2019] [Accepted: 04/29/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND Patients with liver disease have increased risk of thrombosis and bleeding but are typically excluded from trials of direct oral anticoagulant agents. OBJECTIVES This study evaluated the pharmacokinetics (PK), pharmacodynamics (PD), clinical efficacy and safety of edoxaban versus warfarin in patients with atrial fibrillation (AF) and history of liver disease. METHODS ENGAGE AF-TIMI 48 (Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis In Myocardial Infarction Study 48) was a randomized, double-blind trial comparing edoxaban with warfarin in patients with AF followed for 2.8 years. History of liver disease was defined as investigator-reported liver disease or >2-fold transaminase elevation at randomization. The primary efficacy and safety endpoints of stroke or systemic embolic event (SSEE) and major bleeding were assessed stratified by history of liver disease. PK/PD assessments of edoxaban included endogenous and extrinsic factor Xa activity and edoxaban concentration. RESULTS Among 21,105 patients, 1,083 (5.1%) had a history of liver disease; they had a higher prevalence of many comorbidities. The adjusted risks of SSEE were similar (adjusted hazard ratio [HRadj]: 0.90; 95% confidence interval [CI]: 0.67 to 1.22; p = 0.50), but major bleeding was more common in patients with liver disease (HRadj: 1.38; 95% CI: 1.10 to 1.74; p = 0.005). There were no significant differences in PK/PD assessment of edoxaban in patients with versus without liver disease. The HRs for higher-dose edoxaban versus warfarin for SSEE were 0.86 (95% CI: 0.73 to 1.01) in patients without and 1.11 (95% CI: 0.54 to 2.30) with liver disease (p for interaction [pint] = 0.47), major bleeding 0.80 (95% CI: 0.70 to 0.91) in patients without and 0.91 (95% CI: 0.56 to 1.47) with liver disease (pint = 0.63). There were no significant differences in hepatic adverse events between the 2 treatment groups. CONCLUSIONS Among patients with AF receiving oral anticoagulation, bleeding, but not thromboembolic events, was increased in patients with liver disease. A history of liver disease did not alter the relative efficacy and safety of edoxaban compared with warfarin. Hepatic adverse events were similar between edoxaban and warfarin.
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Affiliation(s)
- Arman Qamar
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts. https://twitter.com/AqamarMD
| | - Elliott M Antman
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts. https://twitter.com/eantman
| | - Christian T Ruff
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Francesco Nordio
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Sabina A Murphy
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Laura T Grip
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Norton J Greenberger
- Gastroenterology, Hepatology, and Endoscopy Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Ophelia Q P Yin
- Daiichi-Sankyo Pharma Development, Basking Ridge, New Jersey
| | - Youngsook Choi
- Daiichi-Sankyo Pharma Development, Basking Ridge, New Jersey
| | - Hans J Lanz
- Daiichi-Sankyo Pharma Development, Basking Ridge, New Jersey
| | | | - Eugene Braunwald
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Robert P Giugliano
- TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
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21
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Lee SR, Lee HJ, Choi EK, Han KD, Jung JH, Cha MJ, Oh S, Lip GYH. Direct Oral Anticoagulants in Patients With Atrial Fibrillation and Liver Disease. J Am Coll Cardiol 2020; 73:3295-3308. [PMID: 31248551 DOI: 10.1016/j.jacc.2019.04.052] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/02/2019] [Accepted: 04/08/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Advanced liver disease is known to increase the risk for bleeding and affects the hepatic clearance and metabolism of drugs. Subjects with active liver disease were excluded from pivotal clinical trials of direct oral anticoagulants (DOACs), so the evidence regarding the efficacy and safety of DOACs in patients with liver disease is lacking. OBJECTIVES The aim of this study was to compare DOACs with warfarin in patients with nonvalvular atrial fibrillation and liver disease. METHODS Using the Korean National Health Insurance Service database, subjects with atrial fibrillation and active liver disease treated with oral anticoagulation were included (12,778 with warfarin and 24,575 with DOACs), and analyzed ischemic stroke, intracranial hemorrhage, gastrointestinal bleeding, major bleeding, all-cause death, and the composite outcome. Propensity score weighting was used to balance covariates between the 2 groups. RESULTS DOACs were associated with lower risks for ischemic stroke (hazard ratio [HR]: 0.548; 95% confidence interval [CI]: 0.485 to 0.618), intracranial hemorrhage (HR: 0.479; 95% CI 0.394 to 0.581), gastrointestinal bleeding (HR: 0.819; 95% CI: 0.619 to 0.949), major bleeding (HR: 0.650; 95% CI: 0.575 to 0.736), all-cause death (HR: 0.698; 95% CI: 0.636 to 0.765), and the composite outcome (HR: 0.610; 95% CI: 0.567 to 0.656) than warfarin. Among the total study population, 13% of patients (n = 4,942) were identified as having significant active liver disease. A consistent benefit was observed in patients with significant active liver disease (HR for the composite outcome: 0.691; 95% CI: 0.577 to 0.827). CONCLUSIONS In this large Asian population with atrial fibrillation and liver disease, DOACs showed better effectiveness and safety than warfarin, which was consistent in those with significant active liver disease.
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Affiliation(s)
- So-Ryoung Lee
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyun-Jung Lee
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Eue-Keun Choi
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
| | - Kyung-Do Han
- Department of Medical Statistics, College of Medicine, Catholic University of Korea, Seoul, Korea
| | - Jin-Hyung Jung
- Department of Medical Statistics, College of Medicine, Catholic University of Korea, Seoul, Korea
| | - Myung-Jin Cha
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Seil Oh
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Gregory Y H Lip
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea; Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Chest & Heart Hospital, Liverpool, United Kingdom; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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22
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Oral Anticoagulants in Liver Disease: Not Child's Play. J Am Coll Cardiol 2020; 73:3309-3311. [PMID: 31248552 DOI: 10.1016/j.jacc.2019.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 01/09/2023]
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23
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Zulkifly H, Cheli P, Lutchman I, Bai Y, Lip GYH, Lane DA. Anticoagulation control in different ethnic groups receiving vitamin K antagonist therapy for stroke prevention in atrial fibrillation. Thromb Res 2020; 192:12-20. [PMID: 32416364 DOI: 10.1016/j.thromres.2020.04.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/18/2020] [Accepted: 04/02/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Efficacy and safety of vitamin K antagonists (VKAs) is optimised in atrial fibrillation (AF) patients when the International Normalised Ratio (INR) is 2.0-3.0. Anticoagulation control comparing different ethnic groups is limited, although epidemiological studies suggest poorer INR control in non-white cohorts. METHODS VKA control was assessed retrospectively by time-in-the-therapeutic range (TTR) (Rosendaal method) and percentage INR-in-range (PINRR) in 991 White, Afro-Caribbean and South-Asian AF patients [overall mean (SD) age 71.6 (9.4) years; 55% male; mean (SD) CHA2DS2-VASc score 3.4 (1.6)] over a median (IQR) follow-up of 5.2 (3.2-7.0) years. RESULTS Compared to Whites, mean (SD) TTR and PINRR were significantly lower in South-Asians [TTR 67.9% vs. 60.5%; PINRR 58.8% vs. 51.6%, respectively] and Afro-Caribbeans [TTR 67.9% vs. 61.3%; PINRR 58.8% vs. 53.1%, respectively], despite similar INR monitoring intensity. Logistic regression revealed non-white ethnicity [OR 2.62; 95% Confidence Interval [CI] (1.67-4.10) and OR 3.47 (1.44-8.34)] and anaemia [OR 1.65 (1.00-2.70) and OR 6.27 (1.89-20.94)] as independent predictors of both TTR and PINRR < 70%, respectively. At follow-up, 329 (33.2%) patients experienced ≥1 major adverse clinical event. Cardiovascular hospitalisation was significantly higher among South-Asians (32.3%) compared to the Whites and Afro-Caribbeans (21.3% vs 25.6% respectively). CONCLUSIONS Ethnic disparities in quality of anticoagulation control are evident, with South-Asians and Afro-Caribbeans having poorer control compared to Whites, despite similar intensity INR monitoring. Non-white ethnicity remained the strongest independent predictor of poor TTR and PINRR. Interventions to improve anticoagulation control need to be implemented, particularly targeting ethnic minority patients.
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Affiliation(s)
- Hanis Zulkifly
- University of Birmingham Institute of Cardiovascular Sciences, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom; Fakulti Farmasi, Universiti Teknologi MARA Kampus Puncak Alam, Selangor, Malaysia
| | - Paola Cheli
- University of Birmingham Institute of Cardiovascular Sciences, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom
| | - Ivana Lutchman
- University of Birmingham Institute of Cardiovascular Sciences, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom.
| | - Ying Bai
- University of Birmingham Institute of Cardiovascular Sciences, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, 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, University of Liverpool, Liverpool, United Kingdom; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
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24
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Fu Y, Zhu W, Zhou Y, Chen H, Yan L, He W. Non-vitamin K Antagonist Oral Anticoagulants Versus Warfarin in Patients with Atrial Fibrillation and Liver Disease: A Meta-Analysis and Systematic Review. Am J Cardiovasc Drugs 2020; 20:139-147. [PMID: 31485852 DOI: 10.1007/s40256-019-00369-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND The effect of non-vitamin K antagonist oral anticoagulants (NOACs) in patients with atrial fibrillation (AF) and liver disease remains largely unresolved. Therefore, we performed a meta-analysis to compare the efficacy and safety of NOACs with warfarin in this population. METHODS We systematically searched the Cochrane Library, PubMed, and Embase databases for studies reporting the comparisons of NOACs with warfarin in patients with AF and liver disease. A random-effects model was selected to pool the risk ratios (RRs) and 95% confidence intervals (CIs). RESULTS A total of six studies with 41,954 participants were included in this meta-analysis. In AF patients with liver disease, compared with warfarin use, the use of NOACs was associated with reduced risks of all-cause death (RR 0.78, 95% CI 0.66-0.93), major bleeding (RR 0.68, 95% CI 0.53-0.88), and intracranial hemorrhage (RR 0.49, 95% CI 0.41-0.59), but had comparable risks of stroke or system embolism (RR 0.80, 95% CI 0.57-1.12) and gastrointestinal bleeding (RR 0.90, 95% CI 0.61-1.34). In AF patients with cirrhosis, NOACs significantly reduced the risks of major bleeding (RR 0.53, 95% CI 0.37-0.76), gastrointestinal bleeding (RR 0.57, 95% CI 0.38-0.84), and intracranial hemorrhage (RR 0.55, 95% CI 0.31-0.97) compared with warfarin. CONCLUSIONS Based on current publications, the use of NOACs is at least non-inferior to warfarin in patients with AF and liver disease.
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Affiliation(s)
- Yonghui Fu
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, 330029, Jiangxi, China
| | - Wengen Zhu
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China
| | - Yue Zhou
- Department of Children's Ophthalmology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - He Chen
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Lan Yan
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, 330029, Jiangxi, China
| | - Wenfeng He
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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25
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Zanetto A, Senzolo M, Blasi A. Perioperative management of antithrombotic treatment. Best Pract Res Clin Anaesthesiol 2020; 34:35-50. [PMID: 32334786 DOI: 10.1016/j.bpa.2020.01.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 12/13/2019] [Accepted: 01/06/2020] [Indexed: 01/10/2023]
Abstract
End-stage liver disease is characterized by multiple and complex alterations of hemostasis that are associated with an increased risk of both bleeding and thrombosis. Liver transplantation further challenges the feeble hemostatic balance of patients with decompensated cirrhosis, and the management of antithrombotic treatment during and after transplant surgery, which is particularly difficult. Bleeding was traditionally considered the major concern during and early after surgery, but it is increasingly recognized that transplant recipients may also develop thrombotic complications. Pathophysiology of hemostatic complications during and after transplantation is multifactorial and includes pre-, intra-, and postoperative risk factors. Risk stratification is important, as it helps the identification of high-risk recipients in whom antithrombotic prophylaxis should be considered. In recipients who develop thrombosis during or after surgery, prompt treatment is indicated to prevent graft failure, retransplantation, and death.
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Affiliation(s)
- Alberto Zanetto
- Gastroenterology, Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padova University Hospital, Padova, Italy
| | - Marco Senzolo
- Gastroenterology, Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padova University Hospital, Padova, Italy
| | - Annabel Blasi
- Anesthesia Department, Hospital Clinic de Barcelona, Barcelona, Spain.
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26
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Steffel J, Verhamme P, Potpara TS, Albaladejo P, Antz M, Desteghe L, Haeusler KG, Oldgren J, Reinecke H, Roldan-Schilling V, Rowell N, Sinnaeve P, Collins R, Camm AJ, Heidbüchel H. The 2018 European Heart Rhythm Association Practical Guide on the use of non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation. Eur Heart J 2019; 39:1330-1393. [PMID: 29562325 DOI: 10.1093/eurheartj/ehy136] [Citation(s) in RCA: 1287] [Impact Index Per Article: 257.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The current manuscript is the second update of the original Practical Guide, published in 2013 [Heidbuchel et al. European Heart Rhythm Association Practical Guide on the use of new oral anticoagulants in patients with non-valvular atrial fibrillation. Europace 2013;15:625-651; Heidbuchel et al. Updated European Heart Rhythm Association Practical Guide on the use of non-vitamin K antagonist anticoagulants in patients with non-valvular atrial fibrillation. Europace 2015;17:1467-1507]. Non-vitamin K antagonist oral anticoagulants (NOACs) are an alternative for vitamin K antagonists (VKAs) to prevent stroke in patients with atrial fibrillation (AF) and have emerged as the preferred choice, particularly in patients newly started on anticoagulation. Both physicians and patients are becoming more accustomed to the use of these drugs in clinical practice. However, many unresolved questions on how to optimally use these agents in specific clinical situations remain. The European Heart Rhythm Association (EHRA) set out to coordinate a unified way of informing physicians on the use of the different NOACs. A writing group identified 20 topics of concrete clinical scenarios for which practical answers were formulated, based on available evidence. The 20 topics are as follows i.e., (1) Eligibility for NOACs; (2) Practical start-up and follow-up scheme for patients on NOACs; (3) Ensuring adherence to prescribed oral anticoagulant intake; (4) Switching between anticoagulant regimens; (5) Pharmacokinetics and drug-drug interactions of NOACs; (6) NOACs in patients with chronic kidney or advanced liver disease; (7) How to measure the anticoagulant effect of NOACs; (8) NOAC plasma level measurement: rare indications, precautions, and potential pitfalls; (9) How to deal with dosing errors; (10) What to do if there is a (suspected) overdose without bleeding, or a clotting test is indicating a potential risk of bleeding; (11) Management of bleeding under NOAC therapy; (12) Patients undergoing a planned invasive procedure, surgery or ablation; (13) Patients requiring an urgent surgical intervention; (14) Patients with AF and coronary artery disease; (15) Avoiding confusion with NOAC dosing across indications; (16) Cardioversion in a NOAC-treated patient; (17) AF patients presenting with acute stroke while on NOACs; (18) NOACs in special situations; (19) Anticoagulation in AF patients with a malignancy; and (20) Optimizing dose adjustments of VKA. Additional information and downloads of the text and anticoagulation cards in different languages can be found on an EHRA website (www.NOACforAF.eu).
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Affiliation(s)
- Jan Steffel
- Department of Cardiology, University Heart Center Zurich, Rämistrasse 100, CH-8091 Zurich, Switzerland
| | - Peter Verhamme
- Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | | | | | | | - Lien Desteghe
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Karl Georg Haeusler
- Center for Stroke Research Berlin and Department of Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jonas Oldgren
- Uppsala Clinical Research Center and Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Holger Reinecke
- Department of Cardiovascular Medicine, University Hospital Münster, Münster, Germany
| | | | | | - Peter Sinnaeve
- Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Ronan Collins
- Age-Related Health Care & Stroke-Service, Tallaght Hospital, Dublin Ireland
| | - A John Camm
- Cardiology Clinical Academic Group, Molecular & Clinical Sciences Institute, St George's University, London, UK, and Imperial College
| | - Hein Heidbüchel
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium.,Antwerp University and University Hospital, Antwerp, Belgium
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27
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Qamar A, Vaduganathan M, Greenberger NJ, Giugliano RP. Oral Anticoagulation in Patients With Liver Disease. J Am Coll Cardiol 2019; 71:2162-2175. [PMID: 29747837 DOI: 10.1016/j.jacc.2018.03.023] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 03/03/2018] [Accepted: 03/06/2018] [Indexed: 12/13/2022]
Abstract
Patients with liver disease are at increased risks of both thrombotic and bleeding complications. Many have atrial fibrillation (AF) or venous thromboembolism (VTE) necessitating oral anticoagulant agents (OACs). Recent evidence has contradicted the assumption that patients with liver disease are "auto-anticoagulated" and thus protected from thrombotic events. Warfarin and non-vitamin K-antagonist OACs have been shown to reduce thrombotic events safely in patients with either AF or VTE. However, patients with liver disease have largely been excluded from trials of OACs. Because all currently approved OACs undergo metabolism in the liver, hepatic dysfunction may cause increased bleeding. Thus, the optimal anticoagulation strategy for patients with AF or VTE who have liver disease remains unclear. This review discusses pharmacokinetic and clinical studies evaluating the efficacy and safety of OACs in patients with liver disease and provides a practical, clinically oriented approach to the management of OAC therapy in this population.
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Affiliation(s)
- Arman Qamar
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Muthiah Vaduganathan
- Heart & Vascular Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Norton J Greenberger
- Gastroenterology, Hepatology, and Endoscopy Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Robert P Giugliano
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
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28
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Turco L, de Raucourt E, Valla DC, Villa E. Anticoagulation in the cirrhotic patient. JHEP Rep 2019; 1:227-239. [PMID: 32039373 PMCID: PMC7001584 DOI: 10.1016/j.jhepr.2019.02.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/29/2019] [Accepted: 02/11/2019] [Indexed: 12/11/2022] Open
Abstract
In the past, patients with liver cirrhosis were thought to be prone to increased bleeding risk. However, those with compensated liver cirrhosis actually have normal coagulative balance, which can become altered when liver function worsens, or infection, bleeding, or acute kidney insufficiency occur. When this happens, it is now recognized that patients with liver cirrhosis are at higher risk of thrombotic rather than haemorrhagic complications. Anticoagulation plays a favourable role both when used therapeutically or prophylactically. Successful anticoagulation is associated with a lower rate of decompensation and with improved survival. To date, treatment has involved the use of low molecular weight heparins and vitamin K antagonists. Preliminary data suggest that novel non-vitamin K antagonist oral anticoagulants can be used safely in patients with liver cirrhosis.
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Affiliation(s)
- Laura Turco
- Department of Gastroenterology, University of Modena & Reggio Emilia and Azienda Ospedaliero-Universitaria di Modena, Italy.,PhD Program in Clinical and Experimental Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Emmanuelle de Raucourt
- Service d'hématologie biologique, CHU Paris Nord-Val de Seine - Hôpital Beaujon, Clichy, France
| | | | - Erica Villa
- Department of Gastroenterology, University of Modena & Reggio Emilia and Azienda Ospedaliero-Universitaria di Modena, Italy
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29
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Popova LV, Kondratieva TB, Aksenova MB, Khlevchuk TV, Kanevskaya MZ. [Recommendations on the Use of Non-Vitamin K Antagonist Oral Anticoagulants in Patients with Atrial Fibrillation (Based on 2018 European Heart Rhythm Association Practical Guide)]. ACTA ACUST UNITED AC 2019; 59:68-79. [PMID: 31131771 DOI: 10.18087/cardio.2019.5.2633] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 05/25/2019] [Indexed: 11/18/2022]
Abstract
Non-vitamin K antagonist oral anticoagulants (NOACs) - direct oral anticoagulants - are getting the ever-broadening use in clinical practice. However, many problems related to optimal use of NOACs in specific clinical situations remain unresolved. European Heart Rhythm Association in April 2018 issued the renovated recommendations on the use of NOACs in patients with atrial fibrillation. The authors of recommendations presented some specific clinical variants for which they formulated practical advices based on the evidence obtained in randomized clinical trials. They also outlined the indications for use of NOACs, formulated practical start-program and scheme of subsequent follow-up management of patients taking NOACs. Recommendations contain information on pharmacokinetics of NOACs and their interactions with other drugs, consideration of feasibility of NOACs use in patients with chronic renal insufficiency or advanced liver disease. Many other practical problems are covered as well.
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Affiliation(s)
- L V Popova
- Sechenov First Moscow State Medical University (Sechenov University)
| | - T B Kondratieva
- Sechenov First Moscow State Medical University (Sechenov University)
| | - M B Aksenova
- Sechenov First Moscow State Medical University (Sechenov University)
| | - T V Khlevchuk
- Sechenov First Moscow State Medical University (Sechenov University)
| | - M Z Kanevskaya
- Sechenov First Moscow State Medical University (Sechenov University)
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Long MT, Ko D, Arnold LM, Trinquart L, Sherer JA, Keppel SS, Benjamin EJ, Helm RH. Gastrointestinal and liver diseases and atrial fibrillation: a review of the literature. Therap Adv Gastroenterol 2019; 12:1756284819832237. [PMID: 30984290 PMCID: PMC6448121 DOI: 10.1177/1756284819832237] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 12/10/2018] [Indexed: 02/04/2023] Open
Abstract
Atrial fibrillation (AF) is the most common arrhythmia worldwide and is associated with significant morbidity and mortality. A number of risk factors have been associated with AF, though few studies have explored the association between gastrointestinal and liver diseases and AF. Additionally, AF and treatment for AF may predispose to gastrointestinal and liver diseases. We review the current literature on the bidirectional associations between gastrointestinal and liver diseases and AF. We highlight the gaps in knowledge and areas requiring future investigation.
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Affiliation(s)
| | - Darae Ko
- Evans Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | | | - Ludovic Trinquart
- Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Jason A. Sherer
- Evans Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Sunny-Skye Keppel
- Evans Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Emelia J. Benjamin
- Evans Department of Medicine, Boston University School of Medicine, Boston, MA, USA Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA The Framingham Heart Study, Framingham, MA, USA
| | - Robert H. Helm
- Evans Department of Medicine, Boston University School of Medicine, Boston, MA, USA
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Menichelli D, Ettorre E, Pani A, Violi F, Pignatelli P, Pastori D. Update and Unmet Needs on the Use of Nonvitamin K Oral Anticoagulants for Stroke Prevention in Patients With Atrial Fibrillation. Curr Probl Cardiol 2019; 46:100410. [PMID: 30904157 DOI: 10.1016/j.cpcardiol.2019.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/22/2019] [Indexed: 12/14/2022]
Abstract
The landscape of stroke prevention in patients with atrial fibrillation (AF) is rapidly changing after the introduction of nonvitamin K oral anticoagulants (NOACs) that are replacing in many countries the use of vitamin K antagonists in virtue of their similar efficacy and better safety. The European Heart Rhythm Association has proposed a new classification for AF patients with valvular heart disease (VHD), which has clinical implications for the most appropriate choice of antithrombotic strategy. Furthermore, a growing body of evidence is available on the use of NOACs in patients with VHD. Beyond VHD, several other factors may help tailoring the antithrombotic therapy to the characteristics of patients. Thus, a new risk factors-based approach to improve the management of AF patients, namely Atrial fibrillation Better Care (ABC) pathway has been recently proposed. This includes "A" avoid stroke by adequate anticoagulant therapy, "B" better control of symptoms related to AF, and "C" optimal management of comorbidities focusing on modifiable cardiovascular risk factors. Another recent update regards the use of NOACs in patients undergoing myocardial revascularization, where the association of NOACs with antiplatelet offers a new safe option in the first period after the procedure. Finally, there are still some patients in whom NOACs have not been systematically studied, and the clinician has to decide whether to prescribe or not NOACs balancing the risk of bleeding and stroke. This review aims to summarize the most recent evidence to consider when choosing an anticoagulant therapy in AF patients.
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Kawai M, Harada M, Motoike Y, Koshikawa M, Ichikawa T, Watanabe E, Ozaki Y. Impact of serum albumin levels on supratherapeutic PT-INR control and bleeding risk in atrial fibrillation patients on warfarin: A prospective cohort study. IJC HEART & VASCULATURE 2019; 22:111-116. [PMID: 30705936 PMCID: PMC6348981 DOI: 10.1016/j.ijcha.2019.01.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 01/04/2019] [Accepted: 01/07/2019] [Indexed: 12/20/2022]
Abstract
Background Since warfarin is primarily bound to serum albumin, hypoalbuminemia is likely to increase the free fraction of warfarin and to increase the risk of bleeding. We prospectively evaluated the impact of serum albumin levels (ALB) on international normalized ratio of prothrombin time (PT-INR) control and hemorrhagic events in atrial fibrillation (AF) patients treated with warfarin. Methods Seven hundred fifty-five non-valvular AF patients on warfarin were enrolled. PT-INR control and major bleeding events (MB, International Society on Thrombosis and Haemostasis) were prospectively followed and were related to ALB at enrollment. Results Twenty-seven patients developed MB during 1-year follow-up. In univariate/multivariate analyses, ALB (OR = 0.49, 95% CI 0.26–0.99, p = 0.04) and hemoglobin levels (OR = 0.78, 95% CI 0.65–0.92, p = < 0.01) were predictive for the annual risk of MB. In Spearman's rank correlation analysis, the baseline ALB was inversely correlated with the percentage of the time in PT-INR > 3.0 (ρ = −0.15, p < 0.0001), but neither 2.0 ≤ PT-INR ≤ 3.0 (ρ = 0.056, p = 0.13) nor PT-INR < 2.0 (ρ = −0.008, p = 0.82) during 1-year follow-up, suggesting that patients with low ALB had a directional tendency to be supratherapeutic control of PT-INR. The ROC curve showed that a cutoff of ALB was 3.6 g/dl to identify MB (AUC = 0.65). In Kaplan-Meier analysis, patients with ALB <3.6 g/dl (23/80, 29%) had more MB than those with ALB ≥3.6 g/dl (87/675, 13%, log-rank = 16.80, p < 0.0001) during long-term follow-up (3.8 ± 2.0 years). Conclusions Hypoalbuminemia increases the likelihood of supratherapeutic PT-INR control and the risk of MB. ALB can be a practical surrogate marker to prevent excessive warfarin control and warfarin-related MB.
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Affiliation(s)
- Mayumi Kawai
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Masahide Harada
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Yuji Motoike
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Masayuki Koshikawa
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Tomohide Ichikawa
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Eiichi Watanabe
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
| | - Yukio Ozaki
- Department of Cardiology, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 4701192, Japan
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Pastori D, Lip GYH, Farcomeni A, Del Sole F, Sciacqua A, Perticone F, Marcucci R, Grifoni E, Pignatelli P, Violi F. Incidence of bleeding in patients with atrial fibrillation and advanced liver fibrosis on treatment with vitamin K or non-vitamin K antagonist oral anticoagulants. Int J Cardiol 2019; 264:58-63. [PMID: 29776574 DOI: 10.1016/j.ijcard.2018.01.097] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 01/09/2018] [Accepted: 01/22/2018] [Indexed: 12/26/2022]
Abstract
OBJECTIVES To investigate the incidence of bleeding events in atrial fibrillation (AF) patients treated with vitamin K (VKAs) or non-vitamin K antagonist oral anticoagulants (NOACs) screened for the presence of liver fibrosis (LF). BACKGROUND Previous studies provided conflicting results on bleeding risk in AF patients with liver disease on VKAs, and no data on NOACs in this setting are available. METHODS Post-hoc analysis of a prospective, observational multicentre study including 2330 AF outpatients treated with VKAs (n = 1297) or NOACs (n = 1033). Liver damage was quantified by the FIB-4 score (>3.25), a validated marker of LF. The primary endpoint was the incidence of any bleeding, according to ISTH classification. RESULTS A high FIB-4 was present in 129 (5.5%) patients: 77 (5.9%) on VKA and 52 (5.0%) on NOACs (p = 0.344). During follow-up, 357 (15.3%) patients experienced a bleeding: 261 (80 major and 180 minor) with VKAs (7.2%/year), and 96 (40 major and 56 minor) with NOACs (6.4%/year). In VKA-treated patients, but not in those on NOACs, FIB-4 >3.25 was associated with higher major bleeding (14.3% vs. 5.6%, log-rank test p < 0.001). Multivariable Cox regression model showed that FIB-4 was associated with major bleeding only in VKA-treated patients (HR: 3.075, 95% CI 1.626-5.818, p = 0.001). On multivariable analysis, FIB-4 was not significantly associated with CVEs neither in VKA or NOAC-treated patients. CONCLUSION We found a significant association between LF and major bleedings in AF patients treated with VKA, which was not evident in patients on NOACs.
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Affiliation(s)
- Daniele Pastori
- I Clinica Medica, Atherothrombosis Centre, Department of Internal Medicine and Medical Specialties of Sapienza University of Rome, Rome, Italy; Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Alessio Farcomeni
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Francesco Del Sole
- I Clinica Medica, Atherothrombosis Centre, Department of Internal Medicine and Medical Specialties of Sapienza University of Rome, Rome, Italy
| | - Angela Sciacqua
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Francesco Perticone
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Rossella Marcucci
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Elisa Grifoni
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Pasquale Pignatelli
- I Clinica Medica, Atherothrombosis Centre, Department of Internal Medicine and Medical Specialties of Sapienza University of Rome, Rome, Italy
| | - Francesco Violi
- I Clinica Medica, Atherothrombosis Centre, Department of Internal Medicine and Medical Specialties of Sapienza University of Rome, Rome, Italy.
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Steffel J, Verhamme P, Potpara TS, Albaladejo P, Antz M, Desteghe L, Georg Haeusler K, Oldgren J, Reinecke H, Roldan-Schilling V, Rowell N, Sinnaeve P, Collins R, Camm AJ, Heidbüchel H, Lip GYH, Weitz J, Fauchier L, Lane D, Boriani G, Goette A, Keegan R, MacFadyen R, Chiang CE, Joung B, Shimizu W. The 2018 European Heart Rhythm Association Practical Guide on the use of non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation: executive summary. Europace 2018; 20:1231-1242. [DOI: 10.1093/europace/euy054] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 03/01/2018] [Indexed: 12/13/2022] Open
Affiliation(s)
- Jan Steffel
- Department of Cardiology, University Heart Center Zurich, Rämistrasse 100, CH-8091 Zurich, Switzerland
| | - Peter Verhamme
- Department of Cardiovascular Sciences, University of Leuven, Belgium
| | | | | | | | - Lien Desteghe
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Karl Georg Haeusler
- Center for Stroke Research Berlin and Department of Neurology, Charité - Universitätsmedizin Berlin
| | - Jonas Oldgren
- Uppsala Clinical Research Center and Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Holger Reinecke
- Department of Cardiovascular Medicine, University Hospital Münster, Münster, Germany
| | | | | | - Peter Sinnaeve
- Department of Cardiovascular Sciences, University of Leuven, Belgium
| | - Ronan Collins
- Age-Related Health Care & Stroke-Service, Tallaght Hospital, Dublin, Ireland
| | - A John Camm
- Cardiology Clinical Academic Group, Molecular & Clinical Sciences Institute, St George’s University, London, UK; Imperial College
| | - Hein Heidbüchel
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
- Antwerp University and University Hospital, Antwerp, Belgium
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Maegele M, Grottke O, Schöchl H, Sakowitz OA, Spannagl M, Koscielny J. Direct Oral Anticoagulants in Emergency Trauma Admissions. DEUTSCHES ARZTEBLATT INTERNATIONAL 2018; 113:575-82. [PMID: 27658470 DOI: 10.3238/arztebl.2016.0575] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 05/17/2016] [Accepted: 05/17/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND Direct (non-vitamin-K-dependent) oral anticoagulants (DOAC) are given as an alternative to vitamin K antagonists (VKA) to prevent stroke and embolic disease in patients with atrial fibrillation that is not due to pathology of the heart valves. Fatal hemorrhage is rarer when DOACs are given (nonvalvular atrial fibrillation: odds ratio [OR] 0.68; 95% confidence interval [95% CI: 0.48; 0.96], and venous thromboembolism: OR 0.54; [0.22; 1.32]). 48% of emergency trauma patients need an emergency operation or early surgery. Clotting disturbances elevate the mortality of such patients to 43%, compared to 17% in patients without a clotting disturbance. This underscores the impor tance of the proper, targeted treatment of trauma patients who are aking DOAC. METHODS This review is based on articles retrieved by a selective search in PubMed and on a summary of expert opinion and the recommendations of the relevant medical specialty societies. RESULTS Peak DOAC levels are reached 2-4 hours after the drug is taken. In patients with normal renal and hepatic function, no drug accumulation, and no drug interactions, the plasma level of DOAC 24 hours after administration is generally too low to cause any clinically relevant risk of bleeding. The risk of drug accumulation is higher in patients with renal dysfunction (creatinine clearance [CrCl] of 30 mL/min or less). Dabigatran levels can be estimated from the thrombin time, ecarin clotting time, and diluted thrombin time, while levels of factor Xa inhibitors can be estimated by means of calibrated chromogenic anti-factor Xa activity tests. Routine clotting studies do not reliably reflect the anticoagulant activity of DOAC. Surgery should be postponed, if possible, until at least 24-48 hours after the last dose of DOAC. For patients with mild, non-life threatening hemorrhage, it suffices to discontinue DOAC; for patients with severe hemorrhage, there are special treatment algorithms that should be followed. CONCLUSION DOACs in the setting of hemorrhage are a clinical challenge in the traumatological emergency room because of the inadequate validity of the relevant laboratory tests. An emergency antidote is now available only for dabigatran.
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Affiliation(s)
- Marc Maegele
- Department of Trauma and Orthopedic Sugery, Cologne-Merheim Medical Center (CMMC), Witten/Herdecke University, Cologne and Institute for Research in Operative Medicine (IFOM), Witten/Herdecke University, Campus Cologne-Merheim, Cologne, Experimental Hemostaseology, Department of Anesthesiology, University Hospital RWTH Aachen, Aachen, Department of Anesthesiology and Intensive Care Medicine, AUVA Emergency Hospital, Salzburg (Austria), Department of Neurosurgery, Ludwigsburg Hospital, Ludwigsburg, Department of Anesthesiology, Ludwig Maximilian University of Munich, Munich, Institute for Transfusion Medicine, Charité University Medicine Berlin, Berlin
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Lin KJ, Singer DE, Glynn RJ, Blackley S, Zhou L, Liu J, Dube G, Oertel LB, Schneeweiss S. Prediction Score for Anticoagulation Control Quality Among Older Adults. J Am Heart Assoc 2017; 6:e006814. [PMID: 28982676 PMCID: PMC5721874 DOI: 10.1161/jaha.117.006814] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/23/2017] [Indexed: 01/18/2023]
Abstract
BACKGROUND Time in the therapeutic range (TTR) is associated with the effectiveness and safety of vitamin K antagonist (VKA) therapy. To optimize prescribing of VKA, we aimed to develop and validate a prediction model for TTR in older adults taking VKA for nonvalvular atrial fibrillation and venous thromboembolism. METHODS AND RESULTS The study cohort comprised patients aged ≥65 years who were taking VKA for atrial fibrillation or venous thromboembolism and who were identified in the 2 US electronic health record databases linked with Medicare claims data from 2007 through 2014. With the predictors identified from a systematic review and clinical knowledge, we built a prediction model for TTR, using one electronic health record system as the training set and the other as the validation set. We compared the performance of the new models to that of a published prediction score for TTR, SAMe-TT2R2. Based on 1663 patients in the training set and 1181 in the validation set, our optimized score included 42 variables and the simplified model included 7 variables, abbreviated as PROSPER (Pneumonia, Renal dysfunction, Oozing blood [prior bleeding], Staying in hospital ≥7 days, Pain medication use, no Enhanced [structured] anticoagulation services, Rx for antibiotics). The PROSPER score outperformed SAMe-TT2R2 when predicting both TTR ≥70% (area under the receiver operating characteristic curve 0.67 versus 0.55) and the thromboembolic and bleeding outcomes (area under the receiver operating characteristic curve 0.62 versus 0.52). CONCLUSIONS Our geriatric TTR score can be used as a clinical decision aid to select appropriate candidates to receive VKA therapy and as a research tool to address confounding and treatment effect heterogeneity by anticoagulation quality.
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Affiliation(s)
- Kueiyu Joshua Lin
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Daniel E Singer
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Robert J Glynn
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Suzanne Blackley
- Clinical and Quality Analysis, Information Systems, Partners HealthCare System, Boston, MA
| | - Li Zhou
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
- Clinical Informatics, Partners eCare, Partners HealthCare System, Boston, MA
| | - Jun Liu
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Gina Dube
- Department of Pharmacy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Lynn B Oertel
- Anticoagulation Management Service, Department of Nursing, Massachusetts General Hospital, Boston, MA
| | - Sebastian Schneeweiss
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
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Choi J, Kim J, Shim JH, Kim M, Nam GB. Risks Versus Benefits of Anticoagulation for Atrial Fibrillation in Cirrhotic Patients. J Cardiovasc Pharmacol 2017; 70:255-262. [DOI: 10.1097/fjc.0000000000000513] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Koscielny J, Rosenthal C, von Heymann C. Nicht-Vitamin-K-abhängige orale Antikoagulanzien. Notf Rett Med 2017. [DOI: 10.1007/s10049-017-0289-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Time to achieving therapeutic international normalized ratio increases hospital length of stay after heart valve replacement surgery. Am Heart J 2017; 187:70-77. [PMID: 28454810 DOI: 10.1016/j.ahj.2017.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 02/08/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND Achieving a therapeutic international normalized ratio (INR) before hospital discharge is an important inpatient goal for patients undergoing mechanical cardiac valve replacement (MCVR). The use of clinical algorithms has reduced the time to achieve therapeutic INR (TTI) with warfarin therapy. Whether TTI prolongs length of stay (LOS) is unknown. METHODS Patients who underwent MCVR over a consecutive 42-month period were included. Clinical data were obtained from the Society of Thoracic Surgeons Adult Cardiac Surgery database and electronic medical records. Therapeutic INR was defined as per standard guidelines. Warfarin dose was prescribed using an inpatient pharmacy-managed algorithm and computer-based dosing tool. International normalized ratio trajectory, procedural needs, and drug interactions were included in warfarin dose determination. RESULTS There were 708 patients who underwent MCVR, of which 159 were excluded for reasons that would preclude or interrupt warfarin use. Among the remainder of 549 patients, the average LOS was 6.4days and mean TTI was 3.5days. Landmark analysis showed that subjects in hospital on day 4 (n=542) who achieved therapeutic INR were more likely to be discharged by day 6 compared with those who did not achieve therapeutic INR (75% vs 59%, P<.001). Multivariable proportional hazards regression with TTI as a time-dependent effect showed a strong association with discharge (P=.0096, hazard ratio1.3) after adjustment for other significant clinical covariates. CONCLUSIONS Time to achieve therapeutic INR is an independent predictor of LOS in patients requiring anticoagulation with warfarin after MCVR surgery. Alternative dosing and anticoagulation strategies will need to be adopted to reduce LOS in these patients.
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Chou AH, Chen TH, Chen CY, Chen SW, Lee CW, Liao CH, Wang SY. Long-Term Outcome of Cardiac Surgery in 1,040 Liver Cirrhosis Patient ― Nationwide Population-Based Cohort Study ―. Circ J 2017; 81:476-484. [DOI: 10.1253/circj.cj-16-0849] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- An-Hsun Chou
- Department of Anesthesiology, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung University
- Department of Medicine, Chang Gung University
- Transgenic and Molecular Immunogenetics Laboratory, Chang Gung Memorial Hospital
| | - Tien-Hsing Chen
- Department of Cardiology, Chang Gung Memorial Hospital, Keelung Branch and Linkou Medical Center
| | - Chun-Yu Chen
- Department of Anesthesiology, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung University
- Graduate Institute of Clinical Medical Sciences College of Medicine, Chang Gung University
| | - Shao-Wei Chen
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung University
| | - Chao-Wei Lee
- Department of Surgery, Chang Gung Memorial Hospital, Linkou Medical Center
| | - Chien-Hung Liao
- Department of Surgery, Chang Gung Memorial Hospital, Linkou Medical Center
| | - Shang-Yu Wang
- Graduate Institute of Clinical Medical Sciences College of Medicine, Chang Gung University
- Department of Surgery, Chang Gung Memorial Hospital, Linkou Medical Center
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Vitamin K antagonist therapy and liver transplantation: two cases managed without normalizing the international normalized ratio. Blood Coagul Fibrinolysis 2016; 27:940-942. [PMID: 26757010 DOI: 10.1097/mbc.0000000000000506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Guidelines for surgery in patients treated with vitamin K antagonist recommends to correct international normalized ratio (INR), although they do not focus on liver transplantation candidates. We report two patients treated with vitamin K antagonist, monitored by thromboelastometry during liver transplantation. Case 1: basal INR was 3.15. Extem coagulation time was 83 s and maxim clot firmness was 60 mm. The surgical procedure did not show bleeding. Two red blood cells were transfused and no other blood products were administered. Last INR was 3.17. Case 2: basal INR was 2.79. A thrombocytopenia of 58 000/mm was detected. Extem coagulation time was 176 s, and maxim clot firmness was 40 mm. Fibtem maxim clot firmness was 11 mm. The surgical procedure did not show bleeding. No blood product was administered. Last INR was 2.1. Although thromboelastometry did not correlate with INR, monitoring of the coagulation using thromboelastometry in combination with surgery helped to conduct hemostatic corrections.
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Abstract
Venous thromboembolism (VTE) is a serious and often fatal medical condition with an increasing incidence. The treatment of VTE is undergoing tremendous changes with the introduction of the new direct oral anticoagulants and clinicians need to understand new treatment paradigms. This article, initiated by the Anticoagulation Forum, provides clinical guidance based on existing guidelines and consensus expert opinion where guidelines are lacking. Well-managed warfarin therapy remains an important anticoagulant option and it is hoped that anticoagulation providers will find the guidance contained in this article increases their ability to achieve optimal outcomes for their patients with VTE Pivotal practical questions pertaining to this topic were developed by consensus of the authors and were derived from evidence-based consensus statements whenever possible. The medical literature was reviewed and summarized using guidance statements that reflect the consensus opinion(s) of all authors and the endorsement of the Anticoagulation Forum’s Board of Directors. In an effort to provide practical and implementable information about VTE and its treatment, guidance statements pertaining to choosing good candidates for warfarin therapy, warfarin initiation, optimizing warfarin control, invasive procedure management, excessive anticoagulation, subtherapeutic anticoagulation, drug interactions, switching between anticoagulants, and care transitions are provided.
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Ambrus D, Reisman J, Rose A. The impact of new-onset cancer among veterans who are receiving warfarin for atrial fibrillation and venous thromboembolism. Thromb Res 2016; 144:21-6. [DOI: 10.1016/j.thromres.2016.05.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 05/04/2016] [Accepted: 05/30/2016] [Indexed: 01/21/2023]
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Potpara TS, Lip GYH. Oral anticoagulant therapy in atrial fibrillation patients at high stroke and bleeding risk. Prog Cardiovasc Dis 2015; 58:177-94. [PMID: 26162958 DOI: 10.1016/j.pcad.2015.07.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Atrial fibrillation (AF) is associated with a 5-fold greater risk of ischemic stroke or systemic embolism compared with normal sinus rhythm. Cardioembolic AF-related strokes are often more severe, fatal or associated with greater permanent disability and higher recurrence rates than strokes of other aetiologies. These strokes may be effectively prevented with oral anticoagulant (OAC) therapy, using either vitamin K antagonists (VKAs) or non-vitamin K antagonist OACs (NOACs) such as the direct thrombin inhibitor dabigatran or direct factor Xa inhibitors rivaroxaban, apixaban or edoxaban. Most AF patients have a positive net clinical benefit from OAC, excluding those with AF and no conventional stroke risk factors. Balancing the risks of stroke and bleeding is necessary for optimal use of OAC in clinical practice, and modifiable bleeding risk factors must be addressed. Concerns remain over 'non-changeable' bleeding risk factors such as older age, significant renal or hepatic impairment, prior stroke(s) or prior bleeding event(s) and active malignancies. Such AF patients are often termed 'special' AF populations, due to their 'special' risk profile that includes increased risks of both thromboembolic and bleeding events, and due to fear of bleeding complications these AF patients are often denied OAC. Evidence shows, however, that the absolute benefits of OAC are the greatest in patients at the highest risk, and NOACs may offer even a greater net clinical benefit compared to warfarin particularly in these high risk patients. In this review article, we summarize available data on stroke prevention in AF patients at increased risk of both stroke and bleeding and discuss the use of NOACs for thromboprophylaxis in these 'special' AF populations.
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Affiliation(s)
- Tatjana S Potpara
- School of Medicine, Belgrade University, Belgrade, Serbia; Cardiology Clinic, Clinical Centre of Serbia, Belgrade, Serbia
| | - Gregory Y H Lip
- School of Medicine, Belgrade University, Belgrade, Serbia; University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham B18 7QH, United Kingdom.
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