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Related Experiment Videos

Initial experience with a new right ventricular support device for beating heart surgery.

Ferdinand Kuhn-Régnier1, Hans Joachim Geissler, Aurelia Lercher

  • 1Department of Cardiothoracic Surgery, University of Cologne, Cologne, Germany. Ferdinand.Kuhn-Regnier@medizin.uni-koeln.de

Artificial Organs
|January 15, 2004
PubMed
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A new paracardial right ventricular support device enables safe and effective beating heart surgery for coronary artery bypass grafting. This approach expands patient options for off-pump procedures with excellent early outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Hemodynamics

Background:

  • Beating heart surgery, specifically off-pump coronary artery bypass grafting (CABG), aims to broaden patient eligibility.
  • Right ventricular (RV) support during these procedures is crucial for maintaining hemodynamic stability.
  • A novel paracardial RV support device has been developed to address this need.

Purpose of the Study:

  • To evaluate the initial experimental and clinical outcomes of a novel paracardial RV support device during beating heart surgery.
  • To assess the safety and efficacy of this device in patients undergoing off-pump CABG.

Main Methods:

  • Preclinical studies were conducted in two pigs.
  • Ten elective patients with triple vessel disease underwent off-pump CABG with RV support from the paracardial device.

Related Experiment Videos

  • Intraoperative hemodynamics, perioperative left ventricular ejection fraction (LVEF), hemolysis, mortality, and morbidity were measured.

    • Main Results:

    • A mean of 3.2 distal anastomoses per patient were successfully performed.
    • Hemodynamic parameters, including mean arterial pressure and central venous oxygen saturation, remained stable during cardiac tilting.
    • No significant changes in perioperative LVEF were observed, with 0% 60-day mortality and 0% postoperative infarction rate.

    Conclusions:

    • The novel paracardial RV support device demonstrated safety and efficiency in initial clinical application.
    • This device facilitates beating heart surgery, potentially expanding patient selection for off-pump procedures.
    • Patients showed significant improvement in functional class post-surgery.