Urolithiasis in renal transplant donors and recipients: An update.

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Urolithiasis in renal transplant donors and recipients: An update.

Int J Surg. 2016 Nov 14;:

Authors: Harraz AM, Kamal AI, Shokeir AA

Abstract
Urolithiasis in the context of renal transplant is a quite rare event that requires keeping a higher index of suspicion and vigilance. Donors with incidentally discovered asymptomatic renal stones "donor gifted lithiasis" are potentially considered for donation should they are not recurrent stone formers and in the absence of active biochemical disorders. Stone clearance from the donors can be done before donation using shock wave lithotripsy and/or flexible ureteroscopy. Ex vivo ureteroscopy at time of transplant is equally feasible and safe. A variety of anatomical, metabolic and surgical factors contribute to de novo lithiasis after transplantation. Diagnosis is challenging as the transplanted kidney is denervated and the presentation is consequently, atypical. Endourological armamentarium is readily present within the hands of the urologists for adequately addressing the stones and including shock wave lithotripsy, percutaneous nephrolithotomy and flexible ureteroscopy. Whilst all endourological techniques have proven feasibility and safety, they are surgically demanding and requiring high-volume expertise to be adequately performed. The longterm outcome in terms of stone recurrence or the effect on graft survival is favorable. Finally, formidable counselling as well as postoperative monitoring for both donors and recipients is crucial to minimize urolithiasis-related morbidity.

PMID: 27856353 [PubMed - as supplied by publisher]

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