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Related Experiment Video

Updated: Feb 11, 2026

Reduction in Left Ventricular Wall Stress and Improvement in Function in Failing Hearts using Algisyl-LVR
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Beating-heart valvular surgery: a possible alternative for patients with severely compromised ventricular function.

Richard J Kaplon1, Si M Pham, Tomas A Salerno

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Weaning from cardiopulmonary bypass is challenging for patients with compromised heart function. A novel myocardial protection strategy using continuous warm oxygenated blood infusion during multi-valve surgery showed promising clinical improvement.

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Area of Science:

  • Cardiac Surgery
  • Cardiovascular Medicine
  • Myocardial Protection

Background:

  • Severely compromised ventricular function poses challenges during cardiac surgery.
  • Weaning from cardiopulmonary bypass can be difficult in patients with low ejection fraction.

Observation:

  • A patient with a 15% ejection fraction required multi-valve surgery.
  • The patient underwent aortic valve replacement and mitral and tricuspid valve repair.

Findings:

  • A novel myocardial protection strategy was employed.
  • Continuous antegrade and retrograde infusion of warm oxygenated blood was administered.
  • Adequacy of myocardial perfusion was confirmed by the absence of electrocardiographic changes.

Implications:

  • This strategy may improve outcomes for high-risk cardiac surgery patients.
  • Further investigation is warranted to validate this myocardial protection technique.
  • This approach offers a potential solution for managing complex valve surgeries in compromised ventricles.