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  • Title: Pneumatic lithotripsy versus holmium:YAG laser lithotripsy for the treatment of single ureteral stones: a prospective, single-blinded study.
    Author: Cimino S, Favilla V, Russo GI, Saita A, Sortino G, Castelli T, Veroux M, Madonia M, Morgia G.
    Journal: Urol Int; 2014; 92(4):468-72. PubMed ID: 24481143.
    Abstract:
    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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