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Wang X, Chen W, Guo J, Wen D, You C, Ma L. Anticoagulation therapy in non-valvular atrial fibrillation after intracerebral hemorrhage: A propensity score-matched study. J Clin Neurosci 2024; 124:144-149. [PMID: 38705027 DOI: 10.1016/j.jocn.2024.04.026] [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: 12/18/2023] [Revised: 03/09/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024]
Abstract
BACKGROUND The effect of antithrombotic therapy on patients with atrial fibrillation who sustained previous intracerebral hemorrhage (ICH) remains uncertain. Data regarding antithrombotic therapy use in these patients are limited. This study aims to compare the clinical and overall outcomes of antithrombotic therapy and usual care in patients with atrial fibrillation who sustained ICH. METHODS We assembled consecutive patients with atrial fibrillation sustaining an ICH from our institution. Multivariable regression analysis and propensity-matched analysis were applied to assess associations of different antithrombotic therapies and outcomes. The primary outcome was mortality within the longest follow-up. Kaplan-Meier curves and log-rank tests of the time-to-event data were used to assess differences in survival. RESULTS In total, 296 consecutive patients with atrial fibrillation who survived an ICH were included in this study. Our analysis demonstrated that antithrombotic therapy was associated with reduced mortality up to a 4-year duration of follow-up (OR, 0.49, 95 % CI 0.30-0.81). Similar results were obtained from the propensity-matched analysis (OR, 0.58, 95 % CI 0.34-0.98). Subgroup analysis showed that compared with usual care, direct oral anticoagulant (DOAC) with or without antiplatelet was associated with a lower risk of long-term mortality (OR, 0.34, 95 % CI 0.17-0.69). In addition, our analysis observed a significant interaction between cardiac insufficiency and treatment effect (P = 0.04). CONCLUSIONS In patients with atrial fibrillation who have a history of ICH, administration of antithrombotic therapy, especially DOAC, was associated with lower mortality. Future randomized trials are warranted to test the positive net clinical benefit of DOAC therapy.
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Affiliation(s)
- Xing Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wuqian Chen
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jiulin Guo
- Information Center, West China Hospital, Sichuan University, Chengdu, China
| | - Dingke Wen
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China; West China Brain Research Centre, Sichuan University, Chengdu, Sichuan, China
| | - Lu Ma
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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2
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Gennaro N, Ferroni E, Zorzi M, Denas G, Pengo V. ISCHEMIC STROKE AND MAJOR BLEEDING WHILE ON DIRECT ORAL ANTICOAGULANTS IN NAÏVE PATIENTS WITH ATRIAL FIBRILLATION: IMPACT OF RESUMPTION OR DISCONTINUATION OF ANTICOAGULANT TREATMENT. A population-based study. Int J Cardiol 2024; 394:131369. [PMID: 37722453 DOI: 10.1016/j.ijcard.2023.131369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
AIMS We assessed the cumulative incidence of recurrent stroke, major bleeding and all-cause mortality associated with restarting antithrombotic treatment, in patients experiencing an anticoagulation-related event (stroke or major bleeding), occurred during anticoagulation therapy for AF. METHODS AND RESULTS We performed a retrospective population-based analysis on linked claims data of patients resident in the Veneto Region, treated with DOACs for AF and discharged (2013-2020) from the hospital for stroke, intracranial haemorrhage (ICH), and major bleeding. To adjust for competing risk of death and reduce confounding, we started the follow up after a 120-days blanking period, counting events in patients resuming oral anticoagulation versus those that did not. Risks of all-cause mortality, ischemic stroke (IS)intracranial haemorrhage (ICH), and other major bleeding events (MB) were estimated with multivariable Cox proportional hazard models and propensity score to adjust for differences in baseline characteristics. Overall, 1029 patients (mean age 77 years) were included in the final cohort: 23% experienced an IS, 18% an ICH, and 59% MB. Of these, 77% resumed anticoagulation. The cumulative incidence of events was significantly lower in patients resuming therapy. In the multivariable analysis considering age, sex and propensity score as covariates, resumption of anticoagulation significantly reduced the risk of a cumulative event (HR 0.45, 95%CI 0.35-0.57, p < 0.01). Stratifying for the index event, among patients with IS (92% resumed therapy), we observed a risk reduction of 81%; in patients with ICH (64% resumed therapy), we observed a risk reduction of 64% and for patients with MB (76% resuming therapy), we observed a risk reduction of 49%. CONCLUSIONS In patients with AF who experienced an anticoagulation-related event, resuming oral anticoagulation was associated with better outcomes for all-cause mortality and subsequent events as compared with patients who did not resume treatment.
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Affiliation(s)
- N Gennaro
- Epidemiological Department (SER), Azienda Zero of theVeneto Region. Padua. Italy
| | - E Ferroni
- Epidemiological Department (SER), Azienda Zero of theVeneto Region. Padua. Italy
| | - M Zorzi
- Epidemiological Department (SER), Azienda Zero of theVeneto Region. Padua. Italy
| | - G Denas
- Cardiology Clinic, Department of Cardiac. Thoracic, Vascular Sciences and Public Health. Padua University Hospital. Padua. Italy
| | - V Pengo
- Cardiology Clinic, Department of Cardiac. Thoracic, Vascular Sciences and Public Health. Padua University Hospital. Padua. Italy; Arianna Foundation on Anticoagulation. Bologna, Italy.
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3
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Wang X, Wen D, Chen Y, You C, Ma L. Anticoagulation medication in nontraumatic intracranial hemorrhage survivors with atrial fibrillation. J Thromb Thrombolysis 2023:10.1007/s11239-023-02804-y. [PMID: 37022508 DOI: 10.1007/s11239-023-02804-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/28/2023] [Indexed: 04/07/2023]
Abstract
BACKGROUND The relative effectiveness of anticoagulation agents in patients with atrial fibrillation (AF) who survive an intracranial hemorrhage (ICH) is unknown. This study was performed to examine the comparative effectiveness of different oral anticoagulation (OAC) on clinical outcomes in this group of patients. METHODS We performed a Bayesian network meta-analysis of randomized controlled trials (RCTs) and observational studies comparing different OAC (direct oral anticoagulant [DOAC] and warfarin) for the treatment of patients with AF who sustained ICH. Outcomes included repeat ICH, thromboembolic events, and all-cause mortality. The values derived from the surface under the cumulative ranking curve were obtained to rank the treatment hierarchy. RESULTS We identified 12 studies (two RCTs and ten observational studies) involving 23,265 patients; 346 patients were treated with any OAC agents; 5,006 received DOAC; 5,271 received warfarin; 12,007 received antiplatelet or no therapy, and 635 did not received relevant therapy. Both DOAC and warfarin (RR, 0.58; 95% CI, 0.45-0.74; RR, 0.83; 95% CI, 0.69-0.98) were superior to antiplatelet or no therapy in preventing thromboembolic events. Moreover, DOAC also showed superiority in preventing thromboembolic events (RR, 0.70; 95% CI, 0.58-0.83), repeat ICH (RR, 0.52; 95% CI, 0.40-0.67), and all-cause mortality (RR, 0.51; 95% CI, 0.46-0.56) than warfarin. CONCLUSIONS Our study suggests DOACs may be a reasonable alternative to anti-platelet therapy and warfarin for patients with AF who experienced ICH. However, given the available evidence is primarily observational, further validation by ongoing trials directly comparing these two classes of drugs are needed.
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Affiliation(s)
- Xing Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan, 610041, China
| | - Dingke Wen
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan, 610041, China
| | - Yuqi Chen
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan, 610041, China
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan, 610041, China
- West China Brain Research Centre, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Lu Ma
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan, 610041, China.
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Ivany E, Ritchie LA, Lip GY, Lotto RR, Werring DJ, Lane DA. Effectiveness and Safety of Antithrombotic Medication in Patients With Atrial Fibrillation and Intracranial Hemorrhage: Systematic Review and Meta-Analysis. Stroke 2022; 53:3035-3046. [DOI: 10.1161/strokeaha.122.038752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND:
For patients with atrial fibrillation who survive an intracranial hemorrhage (ICrH), the decision to offer oral anticoagulation (OAC) is challenging and necessitates balancing risk of thromboembolic events with risk of recurrent ICrH.
METHODS:
This systematic review assesses the effectiveness and safety of OAC and/or antiplatelets in patients with atrial fibrillation with nontraumatic ICrH. Bibliographic databases CENTRAL, MEDLINE, EMBASE, and CINAHL were searched. Articles on adults with atrial fibrillation with spontaneous ICrH (intracerebral, subdural, and subarachnoid), receiving antithrombotic therapy for stroke prevention were eligible for inclusion.
RESULTS:
Twenty articles (50 470 participants) included 2 randomized controlled trials (n=304)‚ 8 observational studies, 8 cohort studies, and 2 studies that meta-analyzed individual-level data from observational studies. OAC therapy was associated with a significant reduction in thromboembolic events (summary relative risk [sRR], 0.51 [95% CI, 0.30–0.86], heterogeneity I
2
=2%;
P
=0.39, n=5 studies) and all-cause mortality (sRR, 0.52 [95% CI, 0.38–0.71], heterogeneity I
2
=0;
P
=0.44, n=3 studies). OAC therapy was not associated with an increased risk of recurrent ICrH (sRR, 1.44 [95% CI, 0.38–5.46], heterogeneity I
2
=70%,
P
=0.02, n=5 studies). Nonvitamin K antagonist OACs were more effective at reducing the risk of thromboembolic events (sRR, 0.65 [95% CI, 0.44–0.97], heterogeneity I
2
=72%,
P
=0.03, n=3 studies) and were associated with a lower risk of recurrent ICrH (sRR, 0.52 [95% CI, 0.40–0.67], heterogeneity I
2
=0%,
P
=0.43, n=3 studies) than warfarin.
CONCLUSIONS:
In nontraumatic ICrH survivors with atrial fibrillation, OAC therapy is associated with a reduced risk of thromboembolic events and all-cause mortality without significantly increasing risk of recurrent ICrH. This finding is primarily based on observational data, and further larger randomized controlled trials are needed to corroborate or refute these findings.
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Affiliation(s)
- Elena Ivany
- Liverpool Centre for Cardiovascular Science, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., D.A.L.)
| | - Leona A. Ritchie
- Liverpool Centre for Cardiovascular Science, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., D.A.L.)
| | - Gregory Y.H. Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., D.A.L.)
- Liverpool Heart and Chest Hospital, United Kingdom (G.Y.H.L., D.A.L.)
- Department of Clinical Medicine, Aalborg University, Denmark (G.Y.H.L., D.A.L.)
| | - Robyn R. Lotto
- Liverpool Centre for Cardiovascular Science, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)
- School of Nursing and Allied Health, Faculty of Health, Liverpool John Moores University, United Kingdom (R.R.L.)
| | - David J. Werring
- Stroke Research Centre, University College London, Queen Square Institute of Neurology, United Kingdom (D.J.W.)
| | - Deirdre A. Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, United Kingdom. (E.I., L.A.R., G.Y.H.L., D.A.L.)
- Liverpool Heart and Chest Hospital, United Kingdom (G.Y.H.L., D.A.L.)
- Department of Clinical Medicine, Aalborg University, Denmark (G.Y.H.L., D.A.L.)
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Gerasimenko AS, Gorbatenko VS, Shatalova OV, Petrov VI. Anticoagulation therapy in atrial fibrillation after intracranial hemorrhage. RATIONAL PHARMACOTHERAPY IN CARDIOLOGY 2021. [DOI: 10.20996/1819-6446-2021-04-13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is severe and fatal complication of anticoagulant therapy with an incidence 0.3-0.7% per year. For patients with atrial fibrillation (AF) anticoagulants are administered for decreasing risk of stroke and systemic embolism. In this case the occurrence of intracranial bleeding is hard task for doctor. From the one side it is necessary to reverse the action of the drug for preventing the growth of hematoma. At the same time the discontinuation of therapy increases the risk of systemic embolism for patients with AF significantly. Clinical guidelines and studies have been reviewed about ICH during anticoagulant therapy. Nowadays there is no quality evidence about reversal of anticoagulant effects after ICH and optimal time of resumption of anticoagulant therapy. Firstly, we do not have large randomized controlled trials on this issue. The majority of clinical guidelines were based on retrospective studies and opinions of experts. Soon several randomized controlled trials will be finished and new data will be presented.
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