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Related Experiment Videos

Heart and lung preservation using a new solution; UCLA Formula.

M Hachida1, H Koyanagi, M Endo

  • 1Department of Cardiovascular Surgery, Heart Institute of Japan, Tokyo Womens' Medical College, Tokyo, Japan.

Transplant International : Official Journal of the European Society for Organ Transplantation
|January 1, 1992
PubMed
Summary

A new simultaneous flushing method using UCLA Formula effectively preserves both heart and lung for transplantation. This technique shows no significant deterioration in cardiac output or lung function post-transplant, offering a reliable preservation solution.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Organ Preservation

Background:

  • Heart and lung preservation remains a critical challenge in transplantation.
  • Previous research indicated UCLA Formula's benefit for lung preservation.

Purpose of the Study:

  • To evaluate the simultaneous flushing method using UCLA Formula for combined heart and lung preservation.
  • To assess the efficacy of this method in maintaining organ function post-transplantation.

Main Methods:

  • Six experiments were conducted on 18 mongrel dogs.
  • Simultaneous flushing of heart and lungs with cold UCLA Formula via aortic and pulmonary artery catheters.
  • Orthotopic heart and single left lung transplantation followed by functional assessment.

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Main Results:

  • Heart transplantation: No significant decline in cardiac output observed.
  • Lung transplantation: No significant differences in arterial gas analysis or pressure-volume curves.
  • Organs were preserved for 4.3 hours (heart) and 7.5 hours (lung).

Conclusions:

  • The simultaneous flushing method with UCLA Formula provides reliable preservation for both heart and lung.
  • This technique supports organ viability for transplantation.