Prospective comparative study of intravenous cibenzoline and disopyramide therapy in the treatment of paroxysmal atrial fibrillation after cardiovascular surgery

Circulation Journal : Official Journal of the Japanese Circulation Society
Takashi KomatsuMotoyuki Nakamura

Abstract

It has been reported that approximately one-third of patients undergoing cardiovascular surgery experience paroxysmal atrial fibrillation (AF) during the postoperative period. There is, however, little information on the selection of anti-arrhythmic drugs for terminating postoperative paroxysmal AF. Between April 2007 and March 2009, 118 patients (76 men, 42 women, mean age 68+/-10 years) who had postoperative paroxysmal AF lasting > or =30 min were randomly assigned to receive either iv cibenzoline (70 mg, n=60) or disopyramide (50 mg, n=58) for terminating postoperative paroxysmal AF. The success rate of iv cibenzoline therapy (47%) was significantly greater than that of iv disopyramide therapy (24%; P<0.05). To identify clinical factors to increase the termination efficacy of iv cibenzoline, multivariate logistic regression was used to adjust for several covariates and to generate adjusted odds ratios (OR). The significant variables for the termination of paroxysmal AF after iv cibenzoline therapy were pretreatment with oral beta-adrenergic blockers (OR =8.224, P=0.030) and smaller left atrial dimensions (OR =0.879, P=0.039). The efficacy of iv cibenzoline for the termination of postoperative paroxysmal AF was significantly ...Continue Reading

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Citations

Nov 26, 2015·Journal of Cardiothoracic and Vascular Anesthesia·Vladimir V LomivorotovAlexander M Karaskov
Nov 11, 2019·Pacing and Clinical Electrophysiology : PACE·Kaoru OkishigeMiguel Valderrábano

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