Adaptive Pump Speed Algorithms to Improve Exercise Capacity in Patients Supported with a Left-Ventricular Assist Device

Thomas Schmidt, Nils Reiss, Ezin Deniz, Christina Feldmann, Andreas Hein, Jan-Dirk Hoffmann, Jenny Inge Röbesaat, Jan Dieter Schmitto, Detlev Willemsen, Frerk Müller-von Aschwege

Publication: Contribution to journalConference article in journalResearchpeer-review

Abstract

For the treatment of terminal heart failure, the therapy with left-ventricular assist devices has already been established. In the systems used today, pump speed does not adjust during physical activity so that cardiac output and exercise capacity remain markedly limited. It is the aim of this study to develop an automatic pump speed control based on filling pressure values in order to improve exercise capacity and quality of life in these patients. Different approaches are planned, to be tested in an in vitro patient simulator. The algorithms aim to match the pump speed with the increased venous return. In addition, preservation of aortic valve function should be taken into account.

Original languageEnglish
JournalStudies in health technology and informatics
Volume236
Pages (from-to)235-240
Number of pages6
ISSN0926-9630
Publication statusPublished - 2017

Research areas and keywords

  • Algorithms
  • Exercise
  • Heart Failure
  • Heart-Assist Devices
  • Humans
  • Quality of Life

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