A Retrospective Evaluation of 691 Ureteroscopies: Indications, Procedures, Success Rate and Complications

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Abstract
In the period of 1983–1990, a total of 691 ureteroscopies were performed in 480 patients. The main indications for ureteroscopy were stones, stenoses or making a diagnosis. In one third of the cases, pathology was suspected in the renal pelvis or at the ureteropelvic junction, in one third in the distal third of the ureter, and in the remaining cases, in either the upper or the middle part of the ureter. The most frequent ureteroscopic procedures were diagnostic examination or surveillance and procedures involving treatment of stones. In the 1st attempt, the ureteroscope was introduced to the suspected pathology in 79.9% of all cases, and the main objective was achieved in 76.6%. The success of stone manipulation has increased from 74% in the 1st to 92% in the last part of the period. More than half the procedures involving a ureteral stenosis were not completed satisfactorily. The location of suspected pathology did not influence the results. Complications occurred in 23% of the ureteroscopies, and the relative number of major complications decreased continuously. We conclude that ureteroscopy is appropriate at any location of pathology and that efforts must be made to minimize both major and minor complications.

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