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Preservation of the ureteral blood supply in rat renal transplantation

A new technique of preserving ureteral blood supply in heterotopic rat renal transplantation is described. This entails leaving an intact gonadal artery in continuity with the donor aortic stump, which is anastomosed to the recipient aorta. Comparison of this technique with conventional methods wherein the spermatic artery is ligated revealed a marked decrease in the incidence of ureteral complications with the former. Preservation of adequate blood supply to the ureter in experimental rat renal transplantation provides more consistent results and lessens the risk of unnecessary animal loss.