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In 50 consecutive renal allograft recipients, operated upon between September 1975 and March 1977, we have encountered 10 cases of ureteric obstruction. The patients fell into two groups: those with ureteric obstruction of early onset due to intraluminal blood clot, oedema of the distal end of the ureter, ureteric tip necrosis or extrinsic compression by the spermatic cord, and those with obstruction of late onset due to ureteric fibrosis. Two cases of ureteric obstruction due to oedema and 1 due to intraluminal blood clot resolved spontaneously. Transurethral ureteric meatotomy, a recommended procedure for the relief of ureteric obstruction in suitable cases, was successful in 1 of our patients. The remaining 6 patients required open surgical procedures for relief of obstruction. In no instance did ureteric obstruction result in death or graft failure. |
