The patient returned for removal of the endopyelotomy stent and placement of a standard 'double J' ureteric stent 1 month later. A retrograde study showed a normal ureter. The stent was removed 2 ...

Furthermore, if the AKI was due to urinary retention secondary to urethral obstruction, prompt improvement would have been expected upon placement of a bladder catheter. The biphasic course of AKI ...