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Atrial Fibrillation is a Risk Factor for Worse Outcomes in Patients with End Stage Liver Disease.

ABSTRACT: Background:Liver disease is a risk factor for development of atrial fibrillation (AF). We aim to study inpatient mortality and resource utilization of end-stage liver disease (ESLD) patients with AF from a nationally representative United States population sample. Methods:For the purpose of our study, we utilized data from National Inpatient Sample for calendar years 2005-2015. Patients with ESLD and AF were identified using relevant International Classification of Disease, Ninth Revision, Clinical Modification (ICD-9-CM) codes. Key outcomes of inpatient mortality and resource utilization were assessed. We also constructed a multiple logistic regression model to determine predictors of mortality in ESLD patients. Propensity matching was also done to balance confounding variables. Results:A total of 309,959 ESLD patients were included in final analysis. Out of these, about 32,858 (10.6%) patients have concomitant AF. ESLD patients with AF were older and had higher burden of key co-morbidities such as heart failure, diabetes and hypertension. Mortality was significantly higher in both unmatched (12.3% vs. 9.2%, p < 0.01) and matched cohorts (12.2% vs. 10.8%, p < 0.01). Additionally, ESLD patients with AF have longer length of stay, increased facility discharge and cost of hospitalization compared to ESLD patients with out AF. In multivariate analysis, AF is an independent predictor of mortality in ESLD patients. Conclusions:AF portends worse outcomes in patients with ESLD. Strong index of suspicion is warranted to timely identify AF in this patient population.

SUBMITTER: Muhammad ZK

PROVIDER: S-EPMC7237084 | biostudies-literature | 2020 Feb-Mar

REPOSITORIES: biostudies-literature

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Atrial Fibrillation is a Risk Factor for Worse Outcomes in Patients with End Stage Liver Disease.

Muhammad Zia Khan ZK Muhammad U Khan UK Safi U Khan UK Anas Alharbi A Mohammed Osman O Agrawal Pratik P M Benjamin Mina M Patel Kinjan K Balla Sudarshan S Munir Muhammad Bilal MB

Journal of atrial fibrillation 20200228 5

<h4>Background</h4>Liver disease is a risk factor for development of atrial fibrillation (AF). We aim to study inpatient mortality and resource utilization of end-stage liver disease (ESLD) patients with AF from a nationally representative United States population sample.<h4>Methods</h4>For the purpose of our study, we utilized data from National Inpatient Sample for calendar years 2005-2015. Patients with ESLD and AF were identified using relevant International Classification of Disease, Ninth ...[more]

PMID: 32435353

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Project description:BACKGROUND:Patients with end-stage kidney disease (ESKD) on dialysis were excluded from clinical trials of direct oral anticoagulants for atrial fibrillation (AF). Recent data have raised concerns regarding the safety of dabigatran and rivaroxaban, but apixaban has not been evaluated despite current labeling supporting its use in this population. The goal of this study was to determine patterns of apixaban use and its associated outcomes in dialysis-dependent patients with ESKD and AF. METHODS:We performed a retrospective cohort study of Medicare beneficiaries included in the United States Renal Data System (October 2010 to December 2015). Eligible patients were those with ESKD and AF undergoing dialysis who initiated treatment with an oral anticoagulant. Because of the small number of dabigatran and rivaroxaban users, outcomes were only assessed in patients treated with apixaban or warfarin. Apixaban and warfarin patients were matched (1:3) based on prognostic score. Differences between groups in survival free of stroke or systemic embolism, major bleeding, gastrointestinal bleeding, intracranial bleeding, and death were assessed using Kaplan-Meier analyses. Hazard ratios (HRs) and 95% CIs were derived from Cox regression analyses. RESULTS:The study population consisted of 25?523 patients (45.7% women; 68.2±11.9 years of age), including 2351 patients on apixaban and 23?172 patients on warfarin. An annual increase in apixaban prescriptions was observed after its marketing approval at the end of 2012, such that 26.6% of new anticoagulant prescriptions in 2015 were for apixaban. In matched cohorts, there was no difference in the risks of stroke/systemic embolism between apixaban and warfarin (HR, 0.88; 95% CI, 0.69-1.12; P=0.29), but apixaban was associated with a significantly lower risk of major bleeding (HR, 0.72; 95% CI, 0.59-0.87; P<0.001). In sensitivity analyses, standard-dose apixaban (5 mg twice a day; n=1034) was associated with significantly lower risks of stroke/systemic embolism and death as compared with either reduced-dose apixaban (2.5 mg twice a day; n=1317; HR, 0.61; 95% CI, 0.37-0.98; P=0.04 for stroke/systemic embolism; HR, 0.64; 95% CI, 0.45-0.92; P=0.01 for death) or warfarin (HR, 0.64; 95% CI, 0.42-0.97; P=0.04 for stroke/systemic embolism; HR, 0.63; 95% CI, 0.46-0.85; P=0.003 for death). CONCLUSIONS:Among patients with ESKD and AF on dialysis, apixaban use may be associated with a lower risk of major bleeding compared with warfarin, with a standard 5 mg twice a day dose also associated with reductions in thromboembolic and mortality risk.

Project description:Background Benefits of patients with end-stage renal disease and atrial fibrillation undergoing peritoneal dialysis (PD) or hemodialysis are unknown. Methods and Results Patients undergoing dialysis were retrieved from Taiwan National Health Insurance Research Database during 2001 to 2013 and separated into PD or hemodialysis. Primary outcomes were ischemic stroke/systemic embolism, major bleeding, and intracranial hemorrhage (ICH). An inverse probability of treatment weighting based on propensity score was used to reduce the confounding. The risk of outcomes between PD and hemodialysis was compared using Cox proportional hazard model for fatal outcomes or Fine and Gray subdistribution hazard model which considered death a competing risk, respectively. A total of 7916 patients with end-stage renal disease with atrial fibrillation undergoing PD or hemodialysis during 2001 to 2013 were identified. After exclusion criteria, 363 patients receiving PD and 5302 patients receiving hemodialysis were analyzed. At 1-year follow-up, the risk of ICH was significantly lower in the PD group compared with the hemodialysis group (0.2% versus 0.9%; subdistribution hazard ratio [SHR], 0.31; 95% CI, 0.17-0.57). At 3-year follow-up, the risks of major bleeding and ICH were significantly lower in the PD group compared with the hemodialysis group (major bleeding: 1.8% versus 3.2%; SHR, 0.68; 95% CI, 0.53-0.87; ICH: 0.5% versus 2%; SHR, 0.32; 95% CI, 0.21-0.48). At 5-year follow-up, ischemic stroke/systemic embolism, major bleeding, and ICH were significantly lower in the PD group compared with the hemodialysis group (ischemic stroke/systemic embolism: 12.4% versus 17.7%, SHR, 0.87; 95% CI, 0.79-0.96; major bleeding: 2.6% versus 4.1%; SHR, 0.79; 95% CI, 0.64-0.97; ICH: 0.5% versus 2.6%; SHR, 0.25; 95% CI, 0.17-0.37). Conclusions In patients with end-stage renal disease and atrial fibrillation, dialytic modalities by PD or hemodialysis impacted these patients differently. There were overall reduced ischemic stroke/systemic embolism, major bleeding, and ICH at 5-year follow-up in patients undergoing PD compared with hemodialysis.

Dataset Information

Atrial Fibrillation is a Risk Factor for Worse Outcomes in Patients with End Stage Liver Disease.

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Atrial Fibrillation is a Risk Factor for Worse Outcomes in Patients with End Stage Liver Disease.

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