Cimino, Sebastiano and Favilla, Vincenzo and Russo, Giorgio Ivan and Saita, Alberto and Sortino, Giuseppe and Castelli, Tommaso and Veroux, Massimiliano and Madonia, Massimo and Morgia, Giuseppe (2014) Pneumatic lithotripsy versus holmium: YAG laser lithotripsy for the treatment of single ureteral stones: a prospective, single-blinded study. Urologia International, Vol. 92 (4), p. 468-472. ISSN 0042-1138. eISSN 1423-0399. Article.
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Objective: The aim of this prospective single-blinded study was to analyze the stone-free (SF) rates between pneumatic lithotripsy (PL) and laser lithotripsy (LL) for the treatment of single and primary ureteral stones and to evaluate potentially predictive factors of a SF status.
Material and Methods: From January 2010 to January 2011, 133 consecutive patients with single and primary ureteral stones were prospectively enrolled. Uni- and multivariate logistic regression were performed to estimate predictive factors of a SF status.
Results: The SF rate in the PL group was 80.7 and 86.1% in the LL group (p = 0.002). Success rates with regard of stone position were not significantly different between groups. At univariate logistic regression, middle ureteral stone (OR 3.33, p = 0.04), distal ureteral stone (OR 4.4, p = 0.02), LL (OR 3.05, p = 0.04) and Hounsfield units (HUs) (OR 1.07, p = 0.03) were significantly predictive factors of a SF status. At a multivariate logistic regression, middle ureteral stone (OR 5.58, p = 0.01), distal ureteral stone (OR 7.87, p < 0.01), LL (OR 2.4, p = 0.02) and HUs ≥1,200 (OR 1.15, p = 0.02) were significantly associated with a SF status.
Conclusions: LL significantly influences the SF status after ureteroscopy, allowing a higher SF rate when compared to PL. HUs may significantly influence this success rate.
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