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Archivos Españoles de Urología (Ed. impresa)

Print version ISSN 0004-0614


HERRANZ FERNANDEZ, Luís Miguel et al. Retrograde laser endopyelotomy. Arch. Esp. Urol. [online]. 2008, vol.61, n.9, pp.1063-1069. ISSN 0004-0614.

Ureteropyelic junction obstruction (UPJO) is the most frequent congenital anomaly of the upper urinary tract. Until some years ago, the treatment of first choice was open pyeloplasty, but the development of endoscopic surgery and the clinical improvement on instruments, enables the treatment in a minimally invasive fashion, offering the advantages of shorter operative time, less morbidity, reduction of post operative analgesic requirements, shorter hospital stay, and shorter convalescence period. Retrograde endopyelotomy represents the natural evolution of the minimally invasive surgical treatment of the UPJO by eliminating the need of a percutaneous renal tract and its possible complications. It may be performed in three ways: semirigid ureteroscope and electrocautery, cold knife or laser incision; flexible ureteroscope and electrocautery or laser incision; and under x-ray control with the AcuciseTM cutting balloon catheter. Currently, the development of smaller ureterorenoscopes (semirigid and flexible) and the use of safer and more effective energy sources, such as holmium:YAG laser, have improved the results of this technique. We present the technique step-by-step and a bibliographic review.

Keywords : Ureteral obstruction; Retrograde endopyelo-tomy; Laser.

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