British journal of urology
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To assess the results from ultrasound-monitored extracorporeal shock wave lithotripsy (ESWL) for ureteric stones, to compare the results with other treatment modalities and to evaluate experiential audit-evoked gains. ⋯ The choice of treatment for patients with ureteric stones is critical but will vary depending on the individual's circumstances, the availability of equipment, costs and time required to perform the procedure. The results obtained using ESWL for ureteric stones improved considerably over the course of the study as a result of experience and refinement of the technique. Stones located in more difficult systems such as in kidneys with a thin cortex and those located above the ischial spine were no longer subjected to ESWL. Audit of the results obtained following treatment allows identification of problem areas, alerts physicians to alternative methods of treatment and gives an objective quantification of experience, assisting rational decision making with consequent improved success.