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Eur J Cardiothorac Surg 2002;22:397-401
© 2002 Elsevier Science NL

The effect of preoperative digitalis and atenolol combination on postoperative atrial fibrillation incidence

Department of Cardiovascular Surgery, Ankara University Medical School, Ankara, Turkey

Received 14 November 2001; received in revised form 15 May 2002; accepted 23 May 2002.

* Corresponding author. Bikent II Park Sitesi, G-4 Block 22/32, 06530 Ankara, Turkey. Tel.: +90-312-266-6037; fax: +90-312-312-2103
e-mail: leventyazicioglu{at}hotmail.com

Purpose: The most frequent arrhythmia after coronary artery bypass surgery is atrial fibrillation (AF). The prevention and treatment of this type of arrhythmia is subobtimal. Digitalis, ß-blockers, diltiazem and amiodarone are the preferred drugs for the treatment. This study was designed to compare the effects of preoperatively started digitalis and atenolol in combination and separately, on the incidence of AF that occurs within 7 days following the operation. Materials and method: One-hundred and sixty patients who had similar demographic properties were randomly grouped as group I, that preoperatively received combined drug therapy (n=40), group II preoperatively used digitalis (n=40), group III atenolol (n=40), and group IV was the control group (n=40). Results: Postoperative AF incidence was 25, 15,4, and 17,9% in groups IV, III, and II, respectively, whereas it was 5% in group I which was lower than all other groups, but the difference was only significant between groups I and IV (P=0.012). Conclusion: The combined use of atenolol and digitalis preoperatively was considered as an efficient treatment for lowering the incidence of AF following coronary artery bypass surgery.

Key Words: Coronary artery bypass grafting • Atrial fibrillation • ß-Blockers • Digitalis

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