Objective: To develop a surgical method for establishment of a heterotopic uterine transplantation model in syngeneic rats and evaluate its feasibility.
Methods: Thirty pairs of Wistar rats aged 8 - 10 weeks were used as donor and recipient. Heterotopic uterine transplantation was conducted, and the duration of the operation was recorded. The recipient rats were killed 7 days after surgery. The morphology of the transplanted uteri was evaluated.
Results: Thirty heterotopic uterine transplantations were conducted. The survival rate increased from 40% (6/15) in the first 15 pairs of recipient rats to 75% (12/15) in the last 15 pairs of recipient rats. Among the 18 living recipient rats, 15 transplanted uteri were viable. The viable rate of uterine transplantation was 83%. Compared with the first 15 pairs of rats, the duration of donor procedures, recipient procedures vascular anastomosis and the total time of the surgery decreased to (65 +/- 10) min, (89 +/- 22) min, (36 +/- 8) min and (154 +/- 23) min respectively in the last 15 pairs of rats.
Conclusion: It is feasible to establish the model of heterotopic uterine transplantation in Wistar rats.
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