Impact of age on the prognosis of patients with ventricular tachyarrhythmias and aborted cardiac arrest.

"Declarations Conflict of interestK. Weidner, T. Schupp, J. Rusnak, I. El-Battrawy, U. Ansari, J. Hoppner, J. Mueller, M. Kittel, G. Taton, L. Reiser, A. Bollow, T. Reichelt, D. Ellguth, N. Engelke, D. Große Meininghaus, M. Akin, T. Bertsch, I. Akin and M. Behnes declare that they have no competing interests. For this article no studies with human participants or animals were performed by any of the authors. All studies mentioned were in accordance with the ethical standards indicated in each case. Conflict of interest K. Weidner, T. Schupp, J. Rusnak, I. El-Battrawy, U. Ansari, J. Hoppner, J. Mueller, M. Kittel, G. Taton, L. Reiser, A. Bollow, T. Reichelt, D. Ellguth, N. Engelke, D. Große Meininghaus, M. Akin, T. Bertsch, I. Akin and M. Behnes declare that they have no competing interests."

"Funding Open Access funding enabled and organized by Projekt DEAL."

"The present study is derived from an analysis of the Registry of Malignant Arrhythmias and Sudden Cardiac Death—Influence of Diagnostics and Interventions (RACE-IT) and presents a single-center registry of consecutive patients presenting to the UMM between 2002 and 2016 with VTA and SCD (clinicaltrials.gov identifier: NCT02982473; date of registration 5 December 2016) as previously published [, ] (suppl. Fig. 1, flowchart). The registry was established according to the principles of the Declaration of Helsinki and was approved by the Ethics Committee II of the Faculty of Medicine Mannheim, University of Heidelberg, Germany. VTA was defined according to current guidelines as previously published [, ]."