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[Abdominal multi-organ transplantation in dogs]
1Second Department of Surgery, Kagoshima University Faculty of Medicine, Japan.
Nihon Geka Gakkai Zasshi
|July 1, 1988
Summary
Researchers explored multi-organ abdominal transplantation in dogs using hypothermia. This study established a novel experimental model for complex organ transplantation research.
Area of Science:
- Veterinary Surgery
- Transplantation Immunology
- Experimental Medicine
Context:
- Multi-organ abdominal transplantation presents significant surgical challenges.
- Developing effective experimental models is crucial for advancing transplantation techniques.
- Hypothermia is a key strategy for preserving organs during transplantation.
Purpose:
- To evaluate the feasibility of en-bloc multi-organ abdominal transplantation in a canine model.
- To assess the efficacy of immersion hypothermia in preserving complex abdominal organs.
- To establish a novel experimental platform for studying organ interactions post-transplantation.
Summary:
- Eight dogs underwent en-bloc abdominal multi-organ transplantation (liver, gallbladder, spleen, pancreas, kidneys, adrenal glands, gastrointestinal tract) utilizing immersion hypothermia.
- Organs were cooled to 20°C before en-bloc removal and orthotopic transplantation.
- Surgical reconstruction included vascular anastomoses, gastro-gastrostomy, colo-colostomy, and ureteral implantation.
- The cold ischemic time averaged 40 minutes, and no immunosuppressants or heparin were used.
Impact:
- Five of eight dogs survived beyond 24 hours, with two surviving for 60 hours, indicating partial success.
- The study demonstrates the potential of this technique as a new experimental model for transplantation research.
- This model may facilitate further investigation into the pathophysiology and interrelationships of transplanted abdominal organs.