Journal
ARTHRITIS AND RHEUMATISM
Volume 58, Issue 3, Pages 667-677Publisher
WILEY-BLACKWELL
DOI: 10.1002/art.23281
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Objective. To determine the hazard risk of developing or worsening heart failure in rheumatoid arthritis (RA) patients treated with tumor necrosis factor a (TNF alpha) inhibitors. Methods. RA patients ages 18-75 years who started treatment with infliximab, etanercept, or adalimumab (n = 2,757), or conventional disease-modifying antirheumatic drugs (controls; n = 1,491) at the time of enrollment in a German biologics register were studied. Cox proportional hazards models were applied to investigate the influence of disease-related and treatment-specific risk factors on the incidence or worsening of heart failure. Results. The 3-year incidence rates of heart failure in patients with and patients without cardiovascular disease at the start of treatment were 2.2% and 0.4%, respectively. After adjustment for traditional cardiovascular risk factors, an increased risk of developing heart failure was found in patients who had a higher 28-joint Disease Activity Score at followup (hazard ratio [HR] 1.47 [95% confidence interval 1.07-2.02], P = 0.019). A residual nonsignificant risk related to treatment with TNF alpha inhibitors remained (adjusted HR 1.66 [95% confidence interval 0.67-4.1], P = 0.28). This residual risk was balanced by the efficacy of the anti-TNF treatment. When only baseline characteristics were taken into account, the HR related to TNF alpha inhibitor treatment decreased to 0.70 (95% confidence interval 0.27-1.84). Conclusion. The findings of this study indicate that TNF alpha inhibitor treatment that effectively reduces the inflammatory activity of RA is more likely to be beneficial than harmful with regard to the risk of heart failure, especially if there is no concomitant therapy with glucocorticoids or cyclooxygenase 2 inhibitors. Furthermore the data suggest. that TNF alpha inhibition does not increase the risk of worsening of prevalent heart failure.
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