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Optimized method for ureteric reconstruction in a mouse kidney transplant model
Author(s) -
Wang Zane Z.,
Wang Chuanmin,
Cunningham Eithne C.,
Allen Richard D. M.,
Sharland Alexandra F.,
Bishop George Alexander
Publication year - 2014
Publication title -
anz journal of surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 70
eISSN - 1445-2197
pISSN - 1445-1433
DOI - 10.1111/ans.12395
Subject(s) - medicine , kidney transplantation , kidney transplant , urology , kidney
Background Murine kidney transplantation is an important model for studies of transplantation immunobiology. The most challenging aspect of the difficult surgical procedure is the ureteric anastomosis. Methods Two different approaches to ureteric reconstruction are compared here. Method 1, Patch: this involves anastomosis of the donor ureter together with a patch of donor bladder to recipient bladder. Method 2, Implant: this utilizes a 5–0 suture to pull the ureter through the bladder wall. The ureter's peripheral tissue is then fixed to the bladder wall at the implant site with 10–0 micro‐sutures. Results In animals transplanted with the patch method, the initial success rate, defined as survival up to the third post‐operative day, was 79% ( n = 62), whereas the initial success rate for the implant method was 86.1% ( n = 101; P = 0.28). The death rate from unknown and/or unspecified causes in the initial period was 16.1% (10/62) for the patch method, and 8.9% (9/101) for the implant method ( P = 0.21). The average donor/recipient operation time with the implant method was 14.8 ± 2.2/61.4 ± 4.7 min (76 min per transplant), whereas operation time with the patch method was 28.3 ± 2.4/77.8 ± 5.5 min (106 min per transplant; P < 0.001). The ureteric implant method resulted in a lower rate of urinary leak compared with the patch method (1.1% versus 10.2%; P = 0.02). Conclusions The ureteric implant method for mouse kidney transplantation is a reliable approach with at least as high a success rate as the bladder patch method and with a shorter operation time.

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