• G Satullo, F Arrigo, L Cavallaro, A Coglitore, F Fazio, F Saporito, S Sorrenti, and G Oreto.
• Servizo di Cardiologia con UTIC, Ospedale di Papardo, Messina.
• Minerva Cardioangiol. 1996 Mar 1; 44 (3): 141-4.

AbstractThe aim of this study was to assess the effectiveness of propafenone and quinidine to restore sinus rhythm in patients with paroxysmal atrial fibrillation. Eighty consecutive patients with recent onset atrial fibrillation were randomized to one of the following oral treatments: a) propafenone 450 mg as single dose followed by 300 mg t.i.d.; b) hydroquinidine 900 mg/24 hours + digoxin if necessary. Drugs were given for a maximum of three days and withdrawn at the restoration of sinus rhythm. If atrial fibrillation was persistent, the other drug was administered after two days wash out. The two groups did not differ from each other with respect to left atrial size, age and presence of organic heart disease, and kind of cardiopathies between the two groups. Sinus rhythm was restored in 39 patients of group 1 (93%) and 36 of group 2 (95%). In conclusion, oral propafenone is as effective as quinidine in the treatment of paroxysmal atrial fibrillation.

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