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Randomized Controlled Trial
. 2005 Oct;28(10):479-82.
doi: 10.1002/clc.4960281007.

Effectiveness of triple-site triggered atrial pacing for prevention of atrial fibrillation after coronary artery bypass graft surgery

Bülent Ozin  1 , Atilla Sezgin, Ilyas Atar, Oykü Gülmez, Bülent Saritaş, Bahadir Gültekin, Mehmet E Korkmaz, Aylin Yildirir, Sait Aşlamaci, Haldun Müderrisoğlu
Affiliations
Randomized Controlled Trial

Effectiveness of triple-site triggered atrial pacing for prevention of atrial fibrillation after coronary artery bypass graft surgery

Bülent Ozin et al. Clin Cardiol. 2005 Oct.

Abstract

Background: Recently, several temporary multisite pacing methods have been developed for prevention of postoperative atrial fibrillation (AF).

Hypothesis: In this study, we evaluated the effect of triple-site temporary triggered pacing in the AAT mode on the development of AF in patients undergoing coronary artery bypass graft (CABG) at high risk for developing postoperative AF.

Methods: A total of 70 patients undergoing CABG were randomly assigned either to pacing group (study group, n = 35 patients) or to no pacing group (control group, n = 35 patients). The external pacemaker was programmed to pace at the atrial triggered mode at a lower rate of 40 beats/min for 4 days.

Results: Atrial fibrillation, defined as lasting > 30 s, occurred in 4 patients (11.4%) in the study group and in 16 patients (45.7%) in the control group (p = 0.003). Sustained AF, defined as AF lasting > 10 min, also was observed less frequently in the study group than in the control group (11.6 vs. 37.1%, p = 0.024). Triple-site triggered atrial pacing was observed to reduce the incidence of AF by 75% and the incidence of sustained AF by 69%.

Conclusions: We believe that multiple-site temporary pacing in the triggered mode is an effective way of preventing postoperative AF. This technique may be used especially in patients at high risk of developing AF.

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