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Health economic evaluation of rivaroxaban in elective cardioversion of atrial fibrillation.

ABSTRACT: Electrical cardioversion (ECV) is a procedure in which a direct current electric shock is used to quickly and effectively restore the normal sinus rhythm. Appropriate anticoagulation reduces the risk of embolic events during and after ECV. The aim of this study was to estimate the cost-effectiveness of rivaroxaban compared with vitamin K oral antagonists (VKAs) in patients with atrial fibrillation undergoing elective ECV in the Netherlands.A static transmission model over a 1-year time horizon was developed to compare rivaroxaban with VKAs in terms of clinical outcomes, health effects (quality-adjusted life years; QALYs), and costs. Cost-effectiveness was assessed from a societal and health care payer perspective at a willingness-to-pay level of €20,000 per QALY gained. The use of rivaroxaban as an anticoagulant in patients with atrial fibrillation scheduled for ECV would lead to a health gain of 0.23 QALYs per patient and would cost €1.83 per patient from the societal perspective, resulting in an incremental cost-effectiveness ratio of €7.92 per QALY gained. The probability of rivaroxaban being cost-saving compared with VKAs was 49.6% from this perspective. From the health care payer perspective, the incremental cost would be €509 per patient with a health gain of 0.23 QALYs per patient, resulting in an incremental cost-effectiveness ratio of €2198 per QALY gained.The use of rivaroxaban in elective ECV is a cost-effective alternative to the use of VKAs. Rivaroxaban has a 50% probability of being cost-saving compared with VKAs and would increase a patient's quality of life when non-health care costs such as productivity loss and informal care costs are taken into account.

SUBMITTER: Jacobs MS

PROVIDER: S-EPMC6105209 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Health economic evaluation of rivaroxaban in elective cardioversion of atrial fibrillation.

Jacobs Maartje S MS de Jong Lisa A LA Postma Maarten J MJ Tieleman Robert G RG van Hulst Marinus M

The European journal of health economics : HEPAC : health economics in prevention and care 20171127 7

<h4>Background</h4>Electrical cardioversion (ECV) is a procedure in which a direct current electric shock is used to quickly and effectively restore the normal sinus rhythm. Appropriate anticoagulation reduces the risk of embolic events during and after ECV. The aim of this study was to estimate the cost-effectiveness of rivaroxaban compared with vitamin K oral antagonists (VKAs) in patients with atrial fibrillation undergoing elective ECV in the Netherlands.<h4>Methods and results</h4>A static ...[more]

PMID: 29181817

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Project description:AIMS:To assess the impact of the introduction of direct oral anticoagulants upon the outcomes from elective electrical cardioversion for atrial fibrillation. METHODS:This is a retrospective comparison of delay to elective cardioversion with different anticoagulants. The data was gathered from a large regional hospital from January 2013 to September 2017. There were 3 measured outcomes: 1) the time in weeks from referral to the date of attempted electrical cardioversion; 2) the proportion of patients who were successfully cardioverted; and 3) the proportion of patients who remained in sinus rhythm by the 12 week follow-up. Time-to-cardioversion was non-parametrically distributed so was analysed with Kruskal-Wallis testing and Mann-Whitney-U testing. Maintenance of sinus rhythm was analysed using z-testing. RESULTS:1,374 patients were submitted to cardioversion. The referrals for cardioversion were either from primary care or from cardiologists. At the time of cardioversion, 789 cases were anticoagulated on warfarin (W), 215 on apixaban (A) and 370 on rivaroxaban (R). All 3 cohorts were initially compared independently using Kruskal-Wallis testing. This demonstrated a significant difference in the delay (measured in weeks) between the A and W group (A = 7, W = 9, P<0.00001); the R and W group (R = 7, W = 9, P<0.00001) and no difference between R and A (A = 7, R = 7, P = 0.92). As there was no difference between the A and R groups, they were combined to form the AR group. The AR group was compared to the W group using Mann-Whitney-U testing which demonstrated a significant delay between the groups (AR = 7, W = 9, P<0.00001). Excluding patients with prior or unknown attempts of cardioversion (n = 791), the W patients (n = 152) were less successful in achieving sinus rhythm at cardioversion than the AR (n = 431) group (W = 95% vs AR = 99% P = 0.04). However at 12 weeks, incidence of sinus rhythm was significantly different (W = 40% vs AR = 49% P = 0.049). These groups were compared by z testing. At 12 weeks' follow-up there was no statistical difference in rate of adverse consequences between the AR group and the W group, but the rate of adverse consequences was too low to draw further conclusions. CONCLUSION:DOACs appear to significantly shorten the latency between the decision to cardiovert and the cardioversion procedure by at least 2 weeks compared to warfarin in a real-world setting. In this study, patients who had not previously been cardioverted who were anticoagulated with warfarin had a significantly lower probability of conversion to sinus rhythm and a significantly lower probability to remain in sinus rhythm at the 12 week follow-up compared to the combined apixaban and rivaroxaban group.

Dataset Information

Health economic evaluation of rivaroxaban in elective cardioversion of atrial fibrillation.

Publications

Health economic evaluation of rivaroxaban in elective cardioversion of atrial fibrillation.

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