Michael Vollkron

Summary

Affiliation: Medical University of Vienna
Country: Austria

Publications

  1. ncbi request reprint Suction events during left ventricular support and ventricular arrhythmias
    Michael Vollkron
    Department of Cardiothoracic Surgery, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 26:819-25. 2007
  2. ncbi request reprint Advanced suction detection for an axial flow pump
    Michael Vollkron
    Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    Artif Organs 30:665-70. 2006
  3. ncbi request reprint Development of a reliable automatic speed control system for rotary blood pumps
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 24:1878-85. 2005
  4. ncbi request reprint Development of a suction detection system for axial blood pumps
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Vienna, Austria
    Artif Organs 28:709-16. 2004
  5. doi request reprint Continuous assessment of cardiac function during rotary blood pump support: a contractility index derived from pump flow
    Phornphop Naiyanetr
    Department of Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 29:37-44. 2010
  6. ncbi request reprint First clinical experience with an automatic control system for rotary blood pumps during ergometry and right-heart catheterization
    Heinrich Schima
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 25:167-73. 2006
  7. doi request reprint Coronary hemodynamics and myocardial oxygen consumption during support with rotary blood pumps
    Peter Voitl
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Artif Organs 33:77-80. 2009
  8. ncbi request reprint Interaction of the cardiovascular system with an implanted rotary assist device: simulation study with a refined computer model
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Vienna, Austria
    Artif Organs 26:349-59. 2002
  9. ncbi request reprint Automatic system for noninvasive blood pressure determination in rotary pump recipients
    Heinrich Schima
    Department of Cardiothoracic Surgery and LBI of Cardiosurgical Research, University of Vienna, Vienna, Austria
    Artif Organs 28:451-7. 2004
  10. ncbi request reprint Left ventricular pressure-volume loop analysis during continuous cardiac assist in acute animal trials
    Francesco Moscato
    Department of Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Artif Organs 31:369-76. 2007

Collaborators

Detail Information

Publications11

  1. ncbi request reprint Suction events during left ventricular support and ventricular arrhythmias
    Michael Vollkron
    Department of Cardiothoracic Surgery, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 26:819-25. 2007
    ..In this study we report severe ventricular arrhythmias closely related to suction events in rotary blood pumps, a phenomenon that has not been described previously...
  2. ncbi request reprint Advanced suction detection for an axial flow pump
    Michael Vollkron
    Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    Artif Organs 30:665-70. 2006
    ..5%). By application of the clinical experience from the first clinical trial of a physiologic control system it became possible to optimize the sensitivity and specificity of the suction detection system to unprecedented accuracy...
  3. ncbi request reprint Development of a reliable automatic speed control system for rotary blood pumps
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 24:1878-85. 2005
    ..To provide for these adjustments we developed an algorithm for demand-responsive pump control based on a reliable suction detection system...
  4. ncbi request reprint Development of a suction detection system for axial blood pumps
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Vienna, Austria
    Artif Organs 28:709-16. 2004
    ..This system will be integrated into an automatic pump speed control system to provide adequate perfusion for the LVAD recipient, without excessive unloading of the ventricle...
  5. doi request reprint Continuous assessment of cardiac function during rotary blood pump support: a contractility index derived from pump flow
    Phornphop Naiyanetr
    Department of Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 29:37-44. 2010
    ..This study reports a method to determine contractility that uses readily measured variables of the RBP...
  6. ncbi request reprint First clinical experience with an automatic control system for rotary blood pumps during ergometry and right-heart catheterization
    Heinrich Schima
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Medical University of Vienna, Vienna, Austria
    J Heart Lung Transplant 25:167-73. 2006
    ..The data provided in this paper, based on hemodynamic and spirometric data during exercise in which a pre-load-sensitive control was used, lend quantitative support to this assumption...
  7. doi request reprint Coronary hemodynamics and myocardial oxygen consumption during support with rotary blood pumps
    Peter Voitl
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Artif Organs 33:77-80. 2009
    ..These results show that blood flow in the coronary arteries is not affected by flow changes imposed by rotary blood pumps. An undiminished coronary perfusion at falling oxygen consumption might contribute to cardiac recovery...
  8. ncbi request reprint Interaction of the cardiovascular system with an implanted rotary assist device: simulation study with a refined computer model
    Michael Vollkron
    Department of Cardiothoracic Surgery and Ludwig Boltzmann Institute for Cardiosurgical Research, Vienna, Austria
    Artif Organs 26:349-59. 2002
    ..It can be used for the investigation of various clinical and control questions in normal and pathological conditions of the left ventricular assist device recipient...
  9. ncbi request reprint Automatic system for noninvasive blood pressure determination in rotary pump recipients
    Heinrich Schima
    Department of Cardiothoracic Surgery and LBI of Cardiosurgical Research, University of Vienna, Vienna, Austria
    Artif Organs 28:451-7. 2004
    ..By development of a wristwatch sensor and an automatic control system a robust method for daily use could be developed...
  10. ncbi request reprint Left ventricular pressure-volume loop analysis during continuous cardiac assist in acute animal trials
    Francesco Moscato
    Department of Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Artif Organs 31:369-76. 2007
    ..SVI becomes slightly dependent on EDVI, which may be due to autoregulatory mechanisms...
  11. ncbi request reprint Weaning of rotary blood pump recipients after myocardial recovery: a computer study of changes in cardiac energetics
    Heinrich Schima
    Department of Cardio Thoracic Surgery and LBI of Cardio Surgical Research, University of Vienna, Austria
    J Thorac Cardiovasc Surg 127:1743-50. 2004
    ..Rotary pumps offer training advantages when support flow is reduced, even to nearly zero. We report a computer analysis that evaluates the work required of the heart during partial unloading and removal of rotary pumps...