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  • Title: [Effect of oral cordarone in reversing persistent atrial fibrillation].
    Author: Zhao F, Feng SX, Zhao P, Ma H.
    Journal: Nan Fang Yi Ke Da Xue Xue Bao; 2006 Apr; 26(4):521-2. PubMed ID: 16624772.
    Abstract:
    OBJECTIVE: To observe the efficacy and safety of oral cordarone dir reversing persistent atrial fibrillation (AF). METHODS; Eighty-two symptomatic chronic AF out-patients without history of acute diseases or severe hepatic/thyroid dysfunction were given oral cordarone at the loading dose of 200 mg thrice a day for 1-4 weeks followed by a twice-daily administration for another 1-4 weeks, with the maintenance dose of 200 or 100 mg once a day. The incidence of stroke and cardiac events and the mortality rate were compared between 43 patients with restored rhythm on cordarone and 39 patients on digoxin and/or betaloc for ventricular rhythm control. RESULTS: Among the 82 patients, sinus rhythm restoration was achieved in 43, with a successful rate of 52%. In 18 patients, the ejection fraction increased from (32+/-8)% to (46+/-10)%, left atrium diameter decreased from (4.6+/-1.1) cm to (4.1+/-0.8) cm. Except for slight T4 increase, QT prolongation and bradycardia in 3 cases, severe side effects were not observed in this study. Only one patient with restored sinus rhythm required rehospitalization after half a year for worsened heart failure, but in patients with controlled ventricular rhythm, 1 developed stroke, 1 experienced heart attack and 1 died of heart failure with bleeding. CONCLUSION: For patients with symptomatic reversible persistent AF, active treatment with cordarone can be convenient, effective and safe for sinus rhythm restoration.
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