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Organo Oficial de la Sociedad Mexicana de Urología

2010, Number 2

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Rev Mex Urol 2010; 70 (2)

Semirigid ureteroscopy with intracorporeal Holmium:YAG laser lithotripter for steinstrasse treatment

Gallardo-Aguilar J, Negrete-Pulido O, Feria-Bernal G

Language: Spanish
References: 25
Page: 65-70
PDF size: 445.95 Kb.


ABSTRACT

Objective: To report on the experience of performing semirigid ureteroscopy for steinstrasse with Holmium:YAG (Ho:YAG) laser lithotripter in a specialized Mexican health center.
Materials and methods: From July 2006-2008 semirigid ureteroscopies carried out with 100 watt Ho:YAG laser equipment for treating steinstrasse were analyzed. The evaluated variables were: steinstrasse length, localization, procedure duration, number of procedures and complications.
Results: A total of 28 procedures were carried out on 11 patients with mean age of 45.2 ± 8.4 years. Mean steinstrasse length was 46.2 ± 30 mm. A total of 54.5% of steinstrasse cases were localized in the proximal ureter, 27.3% in the middle ureter and 18.2% in the distal ureter. Mean surgery duration was 90 ± 30.7 min. A total of 73% of patients attained stone-free state and no statistically significant difference related to steinstrasse length or localization was observed. The most frequent complication was proximal migration.
Conclusions: Semirigid ureteroscopy with Ho:YAG laser is a safe and efficient technique for treating steinstrasse. However, a high percentage of patients require various procedures before attaining stone-free state.


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