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  • Title: Influence of diabetes on the maintenance of sinus rhythm after a successful direct current cardioversion in patients with atrial fibrillation.
    Author: Soran H, Younis N, Currie P, Silas J, Jones IR, Gill G.
    Journal: QJM; 2008 Mar; 101(3):181-7. PubMed ID: 18202088.
    Abstract:
    AIM: To determine independent risk factors for recurrence of atrial fibrillation (AF) after a successful direct current (DC) cardioversion in patients with and without diabetes. DESIGN: We retrospectively analysed the outcome in patients recently diagnosed with persistent AF. METHODS: Of 364 patients included, 289 had a successful direct current (DC) cardioversion. We compared 42 (14.5%) patients known to have diabetes to 247 (85.5%) without. Patients were reviewed in outpatient clinic with assessment of heart rhythm clinically and by electrocardiogram. Median follow-up after DC cardioversion was 74 days [interquartile range (IQR) 69-78 days]. RESULTS: When reviewed in outpatient clinic, only 63.7% (185 of 289) were still in sinus rhythm (SR). Of the group without diabetes, 66.8% (165 of 247) remained in SR vs. 45.2% (19 of 42) of the group with diabetes (P = 0.005). Binary logistic regression analysis showed duration of AF (P < 0.0001) and the presence of diabetes (P = 0.019) have been independent risk factors for recurrence of AF. DISCUSSION: Presence of diabetes and the longer duration of AF were independent risk factors for the recurrence of AF after a successful DC cardioversion.
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