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. 2021 Apr 20;2(3):215-222.
doi: 10.1016/j.hroo.2021.04.001. eCollection 2021 Jun.

Pharmacotherapy for diabetes and stroke risk: Results from ROCKET AF

Francis E Ugowe  1 , Anne S Hellkamp  2 , Allen Wang  3 , Richard C Becker  4 , Scott D Berkowitz  5 , Günter Breithardt  6 , Keith A A Fox  7 , Jonathan L Halperin  8 , Graeme J Hankey  9 , Kenneth W Mahaffey  10 , Christopher C Nessel  11 , Daniel E Singer  12 , Manesh R Patel  1   2 , Jonathan P Piccini  1   2 ; of the ROCKET AF Steering Committee and Investigators
Affiliations

Pharmacotherapy for diabetes and stroke risk: Results from ROCKET AF

Francis E Ugowe et al. Heart Rhythm O2. .

Abstract

Background: Insulin use may be a better predictor of stroke risk and morbidity and mortality than diabetes in patients with atrial fibrillation (AF).

Objectives: Determine if the increased risk of stroke observed in patients with AF and diabetes is restricted to those treated with insulin.

Methods: We analyzed the association between diabetes and treatment and the occurrence of stroke/systemic embolism, myocardial infarction (MI), all-cause death, vascular death, composite outcomes, and bleeding risk in the ROCKET AF trial.

Results: In a cohort of 14,264 patients, there were 40.3% (n = 5746) with diabetes, 5.9% (n = 842) on insulin, 18.9% (n = 2697) on oral medications, and 11.9% (n = 1703) diet-controlled. Compared to those without diabetes, patients with non-insulin-treated diabetes had increased risks of stroke (hazard ratio [HR] 1.33, 95% confidence interval [CI] 1.06-1.68), MI (HR 1.64, 95% CI 1.17-2.30), all-cause death (HR 1.26, 95% CI 1.08-1.46), vascular death (HR 1.33, 95% CI 1.11-1.60), and composite outcomes (HR 1.37, 95% CI 1.18-1.157). Patients with insulin-treated diabetes had a significantly higher risk of MI (HR 2.31, 95% CI 1.33-4.01) and composite outcomes (HR 1.57, 95% CI 1.19-2.08) compared to those without diabetes. There were no significant differences between insulin-treated and non-insulin-treated diabetes for any outcome.

Conclusion: Among patients with AF and diabetes, there were no significant differences in outcomes in insulin-treated diabetes compared to non-insulin-treated diabetes.

Keywords: Atrial fibrillation; Diabetes; Rivaroxaban; Stroke; Warfarin.

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Figures

Figure 1
Figure 1
Presence of diabetes in the ROCKET AF cohort. ∗Patient may also have been on oral medication at some time.
See this image and copyright information in PMC

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