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Mortality and Hepatic Decompensation in Patients With Cirrhosis and Atrial Fibrillation Treated With Anticoagulation.


ABSTRACT:

Background and aims

Outcomes with anticoagulation (AC) are understudied in advanced liver disease. We investigated effects of AC with warfarin and direct oral anticoagulants (DOACs) on all-cause mortality and hepatic decompensation as well as ischemic stroke, major adverse cardiovascular events, splanchnic vein thrombosis, and bleeding in a cohort with cirrhosis and atrial fibrillation (AF).

Approach and results

This was a retrospective, longitudinal study using national data of U.S. veterans with cirrhosis at 128 medical centers, including patients with cirrhosis with incident AF, from January 1, 2012 to December 31, 2017 followed through December 31, 2018. To assess the effects of AC on outcomes, we applied propensity score (PS) matching and marginal structural models (MSMs) to account for confounding by indication and time-dependent confounding. The final cohort included 2,694 veterans with cirrhosis with AF (n = 1,694 and n = 704 in the warfarin and DOAC cohorts after PS matching, respectively) with a median of 4.6 years of follow-up. All-cause mortality was lower with warfarin versus no AC (PS matched: hazard ratio [HR], 0.65; 95% confidence interval [CI], 0.55-0.76; MSM models: HR, 0.54; 95% CI, 0.40-0.73) and DOACs versus no AC (PS matched: HR, 0.68; 95% CI, 0.50-0.93; MSM models: HR, 0.50; 95% CI, 0.31-0.81). In MSM models, warfarin (HR, 0.29; 95% CI, 0.09-0.90) and DOACs (HR, 0.23; 95% CI, 0.07-0.79) were associated with reduced ischemic stroke. In secondary analyses, bleeding was lower with DOACs compared to warfarin (HR, 0.49; 95% CI, 0.26-0.94).

Conclusions

Warfarin and DOACs were associated with reduced all-cause mortality. Warfarin was associated with more bleeding compared to no AC. DOACs had a lower incidence of bleeding compared to warfarin in exploratory analyses. Future studies should prospectively investigate these observed associations.

SUBMITTER: Serper M 

PROVIDER: S-EPMC7541418 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Mortality and Hepatic Decompensation in Patients With Cirrhosis and Atrial Fibrillation Treated With Anticoagulation.

Serper Marina M   Weinberg Ethan M EM   Cohen Jordana B JB   Reese Peter P PP   Taddei Tamar H TH   Kaplan David E DE  

Hepatology (Baltimore, Md.) 20201109 1


<h4>Background and aims</h4>Outcomes with anticoagulation (AC) are understudied in advanced liver disease. We investigated effects of AC with warfarin and direct oral anticoagulants (DOACs) on all-cause mortality and hepatic decompensation as well as ischemic stroke, major adverse cardiovascular events, splanchnic vein thrombosis, and bleeding in a cohort with cirrhosis and atrial fibrillation (AF).<h4>Approach and results</h4>This was a retrospective, longitudinal study using national data of U  ...[more]

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