Ureterorenoscopic endopyelotomy. Preliminary report.

In conclusion, the concept of endopyelotomy remains extremely attractive, and the early results appear promising. However, the methodology appears to be far in advance of the actual science. Objective studies with furosemide washout renography or Whitaker tests prior to endopyelotomy and at 1 year following endopyelotomy are lacking. Currently, because of its less-invasive nature, lack of external catheters, and rapid convalescence, we are continuing to use a ureteroscopic approach to endopyelotomy. However, although this method overall represents a less-invasive approach, the reader is cautioned to keep in mind that our patient series is too small and the follow-up is too brief for any conclusions to yet be drawn in favor of this method.