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A short right renal vein may be associated with technical problems in renal transplantation. For this reason, a vena caval extension may be useful to improve exposure of the anastomosis and graft placement. This report evaluates the safety and the effectiveness of renal vein extension, which was routinely performed in right renal transplantation. From April 1986 to December 2002, we performed 371 right kidney transplantations with 252 using the standard technique (group A) and 119 using the renal vein extension (group B). No statistical differences were found between the 2 groups in terms of renal vein thrombosis incidence, delayed graft function, morbidity, and graft loss. Indeed, mean warm ischemia time was reduced in the venoplasty group. In conclusion, renal vein extension is an easy, safe technique that reduces warm ischemia time. We suggest more extensive use of this procedure in right kidney transplantation.