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  • Title: When one becomes more: minimum renal artery length in laparoscopic live donor nephrectomy.
    Author: Iype S, David S, Hilliard S, Shaw A, Jamieson NV, Praseedom RK, Butler AJ, Huguet EL, Parker RA, Bradley JA, Watson CJ.
    Journal: Clin Transplant; 2015 Jul; 29(7):588-93. PubMed ID: 25965009.
    Abstract:
    BACKGROUND: Laparoscopic donor nephrectomy may convert short main arteries into multiple arteries, increasing the technical challenge of implantation. We evaluated our experience to identify factors predictive of multiple arteries after laparoscopic nephrectomy. METHODS: All laparoscopic nephrectomies from the start of our program in November 2002 until June 2013 were studied, and preoperative imaging reviewed for donor artery length and multiplicity together with operative findings. RESULTS: A total of 287 consecutive laparoscopic live donor nephrectomies (64 right and 223 left nephrectomies) were studied. Renal artery length was measured from preoperative donor magnetic resonance or computed tomography angiogram and nephrectomy performed using a laparoscopic stapling device. Nine left kidneys with a single artery (6, 7, 9, 10, 11, 12, 13, 14, and 16 mm in length) and five right kidneys with a single artery (5, 13, 15, 20, and 26 mm) on imaging resulted in multiple renal arteries at implantation. Complex renal vein anatomy was associated with multiple arteries following retrieval. CONCLUSION: A main renal artery length of more than 16 mm on the left and 26 mm on the right is unlikely to result in multiple arteries to implant. The possibility of multiple arteries should be borne in mind when the donor renal artery is short.
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