Calculus formation in renal transplant patients

Area of Science:

• Urology
• Transplantation Surgery

Background:

• Renal transplantation is a critical procedure for end-stage renal disease.
• Ureteral reconstruction is a key component of successful renal transplantation.
• Stapled ureteroureterostomy has been utilized to simplify ureteral anastomosis.

Purpose of the Study:

• To evaluate the incidence of calculus formation after stapled ureteroureterostomy in renal transplant recipients.
• To assess the long-term outcomes of stapled ureteroureterostomy in renal transplantation.

Main Methods:

• Retrospective review of 149 renal transplants performed between May 1965 and December 1980.
• Analysis of 112 cases (75%) where stapled ureteroureterostomy was performed using a commercial stapling device.
• Documentation of calculus development, timing, and patient outcomes.

Main Results:

• Calculus developed in 7 patients (6.3%) who underwent stapled ureteroureterostomy.
• The interval between transplantation and calculus formation ranged from 13 months to 6 years.
• No other complications related to the stapled technique were specified.

Conclusions:

• Stapled ureteroureterostomy is associated with a notable risk of calculus formation.
• The use of stapled ureteroureterostomy in renal transplantation should be limited to specific indications.
• Indications include short donor ureters or situations requiring rapid ureteral anastomosis due to urological complications.