DefiPaceTM System, A New Device for Cardioversion of Atrial Fibrillation After Cardiac Surgery — Preliminary Results

نویسندگان

چکیده

Objectives: Postoperative atrial fibrillation (POAF) is a frequent complication following cardiac surgery. This study examined the safety and efficacy of new DefiPaceTM system consisting two bi-atrial temporary pacing cardioversion electrodes, ventricular electrode device (combined external pacemaker cardioverter) for low-energy cardioversion. Methods: The electrodes were placed on left right atrium during open heart Pacing thresholds sensing measured up to 6th postoperative day. satisfactory handling was with visual analog scale (VAS) 1–10, 10 being best 1 lowest. In case POAF, R-wave synchronous shocks (0.5–10 J) applied Results: Temporary implanted in 29 patients (age 65.6 ± 10.4 years; 21 males, 14 OPCAB, 15 on-pump operations). Left or ranged from 1.9 1.3 V/ms 5.0 3.3 P-wave 0.9 0.6 mV 1.5 0.7 mV. VAS electrodes: implantation 7.1 0.8 removal 8.4 1.0. POAF observed four patients. Two had successful 3.5 J 4.5 J. One patient converted spontaneously, one remained PAOF. There no device-related adverse events. Conclusions: can be used safely undergoing

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ژورنال

عنوان ژورنال: Reviews in Cardiovascular Medicine

سال: 2022

ISSN: ['2153-8174', '1530-6550']

DOI: https://doi.org/10.31083/j.rcm2304143