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  • Title: Ureteroscopic laser lithotripsy versus ballistic lithotripsy for treatment of ureteric stones: a prospective comparative study.
    Author: Garg S, Mandal AK, Singh SK, Naveen A, Ravimohan M, Aggarwal M, Mete UK, Santosh K.
    Journal: Urol Int; 2009; 82(3):341-5. PubMed ID: 19440025.
    Abstract:
    OBJECTIVES: This study was undertaken to compare the results of laser (Ho:YAG) and pneumatic (ballistic) intracorporeal lithotripsy for ureteric calculi in terms of efficacy, safety and complications. METHODS: 55 patients having ureteric calculus were randomly allocated into pneumatic lithotripsy (PL) and laser lithotripsy (LL) groups. Swiss lithoclast was used for PL (3 atm pressure and 12 Hz frequency) and the VersaPulse PowerSuite was used for LL. Appropriate statistical tests were applied. RESULTS: 30 patients (34 stones) were treated with LL and 25 patients (25 stones) with PL. Both groups were comparable in profile. Mean lithotripsy time was 24.03 +/- 9.51 min in the LL group and 19.80 +/- 4.44 min in the PL group (p = 0.027). The immediate stone clearance rate was higher in the LL group (p = 0.001), but it was comparable at 4 weeks (p = 0.097). Stone migration occurred in 16% of cases in the PL group. No major complication was observed in either group. CONCLUSIONS: We conclude that both laser and pneumatic energies are effective and safe for intracorporeal lithotripsy. Laser lithotripsy takes more time but provides earlier stone-free status.
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