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Preservation of rabbit kidneys using a solution containing hydrolyzed starch
J Nørby1, I A Jacobsen, D E Pegg
1Laboratory of Nephropathology, Odense University, Denmark.
Transplantation
|November 1, 1991
Summary
A new organ preservation solution (HP16) was developed, combining features of RME and UW solutions. HP16 proved more effective than RME and as effective as UW for hypothermic kidney preservation.
Area of Science:
- Transplantation Science
- Biomedical Engineering
- Solution Chemistry
Background:
- Organ preservation solutions are critical for transplant success.
- Existing solutions like RME and UW have limitations.
- Optimizing solution composition can enhance organ viability.
Purpose of the Study:
- To develop a novel organ preservation solution (HP16) by modifying the RME formulation.
- To improve upon RME by incorporating a higher-molecular-weight osmoticum and a colloid.
- To achieve a more physiological osmolality and suitability for continuous perfusion.
Main Methods:
- HP16 solution was formulated with citrate, specific cations, chloride, a starch hydrolysis product (SHP), and Haemaccel.
- Rabbit kidneys were preserved hypothermically for 48 hours using HP16, RME, or UW solution.
- Organ preservation effectiveness was evaluated by comparing preservation methods.
Main Results:
- Simple hypothermic storage was superior to continuous perfusion.
- HP16 demonstrated greater effectiveness than RME.
- HP16 was as effective as UW solution in preserving rabbit kidneys.
- The improved efficacy of HP16 was attributed to its isotonic osmolality and SHP osmoticum.
Conclusions:
- HP16 is a new, cost-effective organ preservation solution.
- HP16 is as effective as current gold-standard solutions like UW for hypothermic storage.
- Appropriate osmotic properties are crucial for effective organ preservation solutions.