Ureteroscopic KTP laser endopyelotomy

Tullio Sulser; Felix B. Trinkler; Stefan Suter; Roger Gablinger; Dieter Hauri

doi:10.1117/12.312325

1 July 1998 Ureteroscopic KTP laser endopyelotomy

Tullio Sulser, Felix B. Trinkler, Stefan Suter, Roger Gablinger, Dieter Hauri

Proceedings Volume 3245, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VIII; (1998) https://doi.org/10.1117/12.312325
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

Primary ureteropelvic junction obstruction (UPJO) today is mainly treated by antegrade endopyelotomy. Ureteroscopic retrograde endopyelotomy using a KTP-laser is a new and promising treatment modality for primary UPJO. A semi-rigid Ch. 9.5 continuous flow ureteroscope (Storz) is used. Lateral incision is performed at a power setting of 5 to 20 W with a 0.4 mm bare fiber or a Ch. 3.6 side-firing device (Laserscope). An endopyelotomy stent is left in place for 6 weeks. Evaluation is usually done with a urogram pre- and postoperatively. Eight patients (2m/6f) with a mean age of 29.5 years have been treated so far. In 6/8 cases the incision was successful. Prolonged stenting occurred in one and laparoscopic division of a crossing vessel because of a persistent obstruction in another patient. In 2/8 patients retrograde endopyelotomy was not possible owing to large lower pole vessels and so open pyeloplasty was performed. Our preliminary results suggest retrograde KTP laser endopyelotomy as a safe and efficient procedure. A first attempt to laser endopyelotomy seems to be justified even in case of crossing vessels and/or large pyelocaliceal volume.

Citation Download Citation

Tullio Sulser, Felix B. Trinkler, Stefan Suter, Roger Gablinger, and Dieter Hauri "Ureteroscopic KTP laser endopyelotomy", Proc. SPIE 3245, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VIII, (1 July 1998); https://doi.org/10.1117/12.312325

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