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Defibrillation threshold testing during implantable cardioverter defibrillator implantation: 5-year follow-up.
- Source :
-
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing [J Interv Card Electrophysiol] 2021 Apr; Vol. 60 (3), pp. 485-491. Date of Electronic Publication: 2020 May 13. - Publication Year :
- 2021
-
Abstract
- Purpose: Defibrillation threshold (DFT) testing is a routine practice in some Asian countries for patients receiving an implantable cardioverter defibrillator (ICD). However, there are few long-term data about the necessity of intraoperative DFT testing in an Asian population. We investigated the safety of DFT testing and the long-term clinical outcomes in Asian patients undergoing ICD implantation.<br />Methods: All patients undergoing de novo transvenous ICD implantation were randomized to undergo periprocedural DFT testing. The study included 67 patients (50 males; 51.5 ± 16.9 years) who underwent ICD implantation with (n = 33) or without (n = 34) intraoperative DFT testing between March 2012 and February 2014. We compared first-shock success, composite safety end points (the sum of complications recorded at 30 days), arrhythmic death, and all-cause mortality.<br />Results: The baseline clinical characteristics and the procedural-related adverse event rate (3.0% with DFT vs. 0% with non-DFT, p = 0.214) did not differ between groups. The programmed output of the first shock was lower in the DFT testing group (22.9 ± 4.4 J vs. 25.3 ± 5.4 J, p = 0.007). However, there were no significant differences between groups for all-cause mortality (12.1% vs. 17.6%, p = 0.526) or first-shock success rate for ventricular arrhythmia (100% vs. 88.2%, p = 0.471).<br />Conclusions: There were no between-group differences in periprocedural safety, complications, and long-term clinical outcomes. Our results suggest that DFT testing in Asian patients allows reduction of the programmed output of the first shock, but does not affect long-term clinical outcomes.
Details
- Language :
- English
- ISSN :
- 1572-8595
- Volume :
- 60
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
- Publication Type :
- Academic Journal
- Accession number :
- 32399866
- Full Text :
- https://doi.org/10.1007/s10840-020-00733-x