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Prognostic impact of beta-blocker compared to combined amiodarone therapy secondary to ventricular tachyarrhythmias

Objective The study sought to assess the prognostic impact of treatment with beta-blocker (BB) compared to combined BB plus amiodarone (BB-AMIO) on long-term survival in patients surviving ventricular tachyarrhythmias on admission. Background Data regarding the prognostic outcome of patients present...

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Main Authors: Schupp, Tobias (Author) , Behnes, Michael (Author) , Reiser, Linda (Author) , Kern-Bollow, Armin (Author) , Taton, Gabriel (Author) , Reichelt, Thomas (Author) , Ellguth, Dominik (Author) , Engelke, Niko (Author) , Ansari, Uzair (Author) , El-Battrawy, Ibrahim (Author) , Weiß, Christel (Author) , Lang, Siegfried (Author) , Borggrefe, Martin (Author) , Akın, Ibrahim (Author)
Format: Article (Journal)
Language:English
Published: 2019
In: International journal of cardiology
Year: 2019, Volume: 277, Pages: 118-124
ISSN:1874-1754
DOI:10.1016/j.ijcard.2018.11.030
Online Access:Verlag, Volltext: http://dx.doi.org/10.1016/j.ijcard.2018.11.030
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0167527318345728
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Author Notes:Tobias Schupp, Michael Behnes, Linda Reiser, Armin Bollow, Gabriel Taton, Thomas Reichelt, Dominik Ellguth, Niko Engelke, Uzair Ansari, Ibrahim El-Battrawy, Thomas Bertsch, Christel Weiß, Christoph Nienaber, Siegfried Lang, Muharrem Akin, Kambis Mashayekhi, Martin Borggrefe, Ibrahim Akin
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Summary:Objective The study sought to assess the prognostic impact of treatment with beta-blocker (BB) compared to combined BB plus amiodarone (BB-AMIO) on long-term survival in patients surviving ventricular tachyarrhythmias on admission. Background Data regarding the prognostic outcome of patients presenting with ventricular tachyarrhythmias treated with BB and BB-AMIO is limited. Methods A large retrospective registry was used including consecutive patients surviving index episodes of ventricular tachyarrhythmias from 2002 to 2016. Patients treated with BB were compared to patients with BB-AMIO. The primary prognostic endpoint was long-term all-cause death at 3years. Kaplan-Meier, multivariable Cox regression and propensity score matching analyses were applied. Results A total of 1354 patients was included, 85% treated with BB, 15% with BB-AMIO. Within the unmatched real-life cohort, uni- and multivariable Cox regression models revealed BB associated with improved long-term survival compared to BB-AMIO (univariable: HR=0.550; p=0.001, multivariable: HR=0.712; statistical trend, p=0.052). After propensity-score matching (n=186 matched pairs), BB therapy was still associated with improved survival compared to BB-AMIO (mortality rate 18% versus 26%; log rank p=0.042; HR=0.634; 95% CI=0.407-0.988; p=0.044). Prognostic superiority of BB was mainly observed in patients with LVEF≥35% (HR=0.463; 95% CI=0.215-0.997; p=0.049) and in those without atrial fibrillation (non-AF) (HR=0.415; 95% CI=0.202-0.852; p=0.017). Conclusion BB therapy is associated with improved secondary long-term prognosis compared to BB-AMIO in patients surviving index episodes of ventricular tachyarrhythmias.
Item Description:Available online 15 November 2018
Gesehen am 18.02.2019
Physical Description:Online Resource
ISSN:1874-1754
DOI:10.1016/j.ijcard.2018.11.030

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