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  • Title: Retrograde endoureteropyelotomy with the holmium:YAG laser. Initial experience.
    Author: Biyani CS, Cornford PA, Powell CS.
    Journal: Eur Urol; 1997; 32(4):471-4. PubMed ID: 9412808.
    Abstract:
    OBJECTIVE: To evaluate the safety and efficacy of the holmium:YAG laser in the management of pelviureteric junction (PUJ) obstruction. PATIENTS AND METHODS: Between November 1994 and February 1996, 8 patients with 5 primary and 3 secondary PUJ obstructions underwent retrograde ureteroscopic holmium:YAG laser endopyelotomy. A 320- to 365-micron (Slimline, Coherent) fibre was used to deliver the laser energy. A posterolateral endopyelotomy was performed under visual monitoring. All patients had a ureteral stent left in place postoperatively for 6 weeks and a renogram was performed after 3 months. The mean follow-up was 12.4 months (3-24 months). RESULTS: Almost bloodless, accurate and layered division of the PUJ was easily performed. The average procedure time was 37.5 min. Our overall success rate was 87.5%. CONCLUSION: The holmium:YAG laser is a safe, reliable laser with adequate coagulative properties and precise cutting abilities. This allows a 'bloodless' operative field for controlled, accurate and safe endoscopic division of the PUJ.
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