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ORIGINAL ARTICLE
Year : 2020  |  Volume : 36  |  Issue : 3  |  Page : 200-204

Management of donor kidneys with double renal arteries with significant luminal discrepancy: A retrospective cohort study


Department of Urology, Uro-Oncology and Renal Transplant, Max Hospital, New Delhi, India

Correspondence Address:
Dr. Anant Kumar
Department of Urology, Uro-Oncology and Renal Transplant, Max Hospital, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/iju.IJU_196_20

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Introduction: Side-to-side pantaloon anastomosis for renal grafts with double renal arteries (RA) with significant luminal discrepancy between graft arteries has not been reported. We hypothesized that the pantaloon technique is feasible and safe in these cases. Materials and Methods: A retrospective review of all consecutive, open, live-related renal transplants with double RA with significant luminal discrepancy performed at our center from January 2014 to September 2018 was undertaken. Significant luminal discrepancy was defined as smaller RA constituting 30% ± 5% of total RA diameter on preoperative computed tomography angiogram. Three groups were defined: Group A - pantaloon anastomosis, Group B - end-to-side anastomosis of smaller to main RA, and Group C - separate implantation of each artery. The primary objective was to study feasibility and safety of pantaloon anastomosis measured by recipient serum creatinine levels, Doppler ultrasound, and vascular complications (vascular thrombosis and anastomotic bleed). Secondary objectives included measurement of cold ischemia time, warm ischemia time in recipient (WIR), and nonvascular recipient complications. Results: Fifty-eight recipients had donors with double RA with significant luminal discrepancy. Group A - included 40, Group B – 5, and Group C - 13 patients. Recipient creatinine at day-7, -30, and -90 were similar among the groups. The 30-day perioperative complication rate was also similar. Group A and B had significantly lower WIR and higher cold ischemia time compared to Group C. Conclusion: Pantaloon anastomosis is feasible in renal grafts with double RA with significant luminal discrepancy and offers advantage of lower WIR compared to separate implantation technique.


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