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Proceedings Paper

Ureteroscopic KTP laser endopyelotomy
Author(s): Tullio Sulser; Felix B. Trinkler; Stefan Suter; Roger Gablinger; Dieter Hauri
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Paper 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.

Paper Details

Date Published: 1 July 1998
PDF: 5 pages
Proc. SPIE 3245, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VIII, (1 July 1998); doi: 10.1117/12.312325
Show Author Affiliations
Tullio Sulser, Univ. Hospital Zurich (Switzerland)
Felix B. Trinkler, Univ. Hospital Zurich (Switzerland)
Stefan Suter, Univ. Hospital Zurich (Switzerland)
Roger Gablinger, Univ. Hospital Zurich (Switzerland)
Dieter Hauri, Univ. Hospital Zurich (Switzerland)


Published in SPIE Proceedings Vol. 3245:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VIII
Graham M. Watson; Harvey Lui; Lou Reinisch; Penny J. Smalley; Kenneth Eugene Bartels; R. Rox Anderson; Lawrence S. Bass; Kenneth Eugene Bartels; C. Gaelyn Garrett; Lloyd P. Tate; Sharon L. Thomsen; Reza S. Malek; Aaron P. Perlmutter; R. Rox Anderson; Lawrence S. Bass; C. Gaelyn Garrett; Kenton W. Gregory; Harvey Lui; Reza S. Malek; Aaron P. Perlmutter; Lou Reinisch; Penny J. Smalley; Lloyd P. Tate; Sharon L. Thomsen; Graham M. Watson, Editor(s)

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