Renal transplantation in children with posterior urethral valves

Mendizabal, Santiago; Zamora, Isabel; Serrano, Agustin; Sanahuja, Maria Jose; Roman, Ezena; Dominguez, Carlos; Ortega, Pedro; García Ibarra, Fernando
April 2006
Pediatric Nephrology;Apr2006, Vol. 21 Issue 4, p566
Academic Journal
The objective of this study was to analyze whether renal transplantation (RT) in children with posterior urethral valves (PUV) constitutes a special group with respect to groups with different etiologies of end-stage renal disease (ESRD). Between 1979 and 2004, 22 RT were performed in 19 children with PUV. The median age at RT was 10 years (range: 1.3–17). Immunosuppression was provided by triple therapy and polyclonal/monoclonal antibodies. This group was compared with the two control groups: (1) glomerulopathy ( n=62) and (2) pyelonephritis/dysplasia ( n=42) without lower urinary tract disease, transplanted in the same period. Ten graft losses occurred in 22 transplants: thrombosis (2), acute rejection (3), chronic graft nephropathy (2), and death of patients (3) with a functioning graft in the 1st postoperative month. We did not find significant differences versus the control group in renal function or probability of graft or patient survival at 1, 5, and 10 years. We observed a greater risk of urological complication in patients with PUV. RT with PUV constitutes a special group due to the compulsory young age and the need for careful and complex medicosurgical management; nevertheless, the results achieved were similar to those obtained in our general RT population.


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