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Published in: Journal of Cardiothoracic Surgery 1/2016

Open Access 01-12-2016 | Case report

Hemodynamic deterioration precedes onset of ventricular tachyarrhythmia after Heartmate II implantation

Authors: Ameeta Yaksh, Charles Kik, Paul Knops, Korinne Zwiers, Maarten J. B. van Ettinger, Olivier C. Manintveld, Marcel C. J. de Wijs, Peter van der Kemp, Ad J. J. C. Bogers, Natasja M. S. de Groot

Published in: Journal of Cardiothoracic Surgery | Issue 1/2016

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Abstract

Background

Early postoperative ventricular tachyarrhythmia (PoVT) after left ventricular assist device (LVAD) implantation are common and associated with higher mortality-rates. At present, there is no data on initiation of these PoVT and the role of alterations in cardiac hemodynamics.

Case Presentation

A LVAD was implanted in a patient with end-stage heart failure due to a ischemic cardiomyopathy. Alterations in cardiac rhythm and hemodynamics preceding PoVT-episodes during the first five postoperative days were examined by using continuous recordings of cardiac rhythm and various hemodynamic parameters. All PoVT (N=120) were monomorphic, most often preceded by short-long-short-sequences or regular SR and initiated by ventricular runs. Prior to PoVT, mean arterial pressure decreased; heart rate and ST-segments deviations increased.

Conclusions

PoVT are caused by different underlying electrophysiological mechanisms. Yet, they are all monomorphic and preceded by hemodynamic deterioration due to myocardial ischemia.
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Metadata
Title
Hemodynamic deterioration precedes onset of ventricular tachyarrhythmia after Heartmate II implantation
Authors
Ameeta Yaksh
Charles Kik
Paul Knops
Korinne Zwiers
Maarten J. B. van Ettinger
Olivier C. Manintveld
Marcel C. J. de Wijs
Peter van der Kemp
Ad J. J. C. Bogers
Natasja M. S. de Groot
Publication date
01-12-2016
Publisher
BioMed Central
Published in
Journal of Cardiothoracic Surgery / Issue 1/2016
Electronic ISSN: 1749-8090
DOI
https://doi.org/10.1186/s13019-016-0493-0

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Reviewer acknowledgement

Reviewer acknowledgment 2015