OBJECTIVES: An increasing number of aortoiliac lesions and abdominal aortic aneurysms occur in renal failure patients waiting for renal transplantation. The aim of our study was to assess long term results of simultaneous renal transplantation and surgical repair of aortoiliac lesions with arterial allografts. DESIGN: A retrospective observational study. PATIENTS AND METHODS: From October 1997 to June 2007, we performed simultaneous aortoiliac reconstructions using fresh arterial allografts and kidney transplantation in 14 patients with chronic renal failure (men 9, women 5, mean age 53 years). The indication for vascular reconstruction was an asymptomatic abdominal aneurysm in 6 patients or aortoiliac stenosis/occlusion in 8 patients. The median follow up period for the cohort was 55.5 months (range from 1 to 116 months). RESULTS: Three patients died during the follow up period. In none of them there was an allograft (neither arterial nor renal) related death. No signs of arterial grafts infection or aneurysmal formation and no need for secondary intervention (angioplasty and/or thrombolysis) of any arterial reconstruction was observed during the follow up period in any patient. The renal grafts failed in three patients. CONCLUSIONS: Our experience suggests that it is possible and safe to use arterial allografts in the treatment of arterial occlusive disease or abdominal aortic aneurysm simultaneously with renal transplantation.

Department of Transplant Surgery Institute for Clinical and Experimental Medicine Prague Czech Republic

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Influence of the new standardized clinical cryopreservation/slow thawing protocol on immunogenicity of arterial allografts in rats

Immunosuppressive protocols with tacrolimus after cryopreserved aortal allotransplantation in rats