2009
DOI: 10.1159/000209369
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Ureteroscopic Laser Lithotripsy versus Ballistic Lithotripsy for Treatment of Ureteric Stones: A Prospective Comparative Study

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 pati… Show more

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Cited by 43 publications
(34 citation statements)
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“…Additionally, stone migration is more common with PL than LL, which may be explained by the mechanism of action of both types of lithotripsy (photothermal in LL versus the jackhammer effect in PL). This explanation is consistent with other studies where stone migration occurred in the PL group in 19.2, 16 and 16% compared to the LL group in 4, 4 and 0% respectively [12,13,14]. Intraoperative submucus dissection by the guidewire occurred in 8 cases in our study (4 cases in each group), which was managed by external ureteric stent with no long-term sequelae.…”
Section: Discussionsupporting
confidence: 92%
See 1 more Smart Citation
“…Additionally, stone migration is more common with PL than LL, which may be explained by the mechanism of action of both types of lithotripsy (photothermal in LL versus the jackhammer effect in PL). This explanation is consistent with other studies where stone migration occurred in the PL group in 19.2, 16 and 16% compared to the LL group in 4, 4 and 0% respectively [12,13,14]. Intraoperative submucus dissection by the guidewire occurred in 8 cases in our study (4 cases in each group), which was managed by external ureteric stent with no long-term sequelae.…”
Section: Discussionsupporting
confidence: 92%
“…Mean stone size in LL and PL in our study was 12.8 ± 4 and 13.1 ± 3.7 mm respectively (range 5–20 mm); the two groups were comparable with a statistically non-significant difference in stone size unlike other studies which show a wider difference in size between the two groups (table 1) [11,12,13,14]. The stones were located in the lower ureter in 50 patients (62.5%), which was comparable in both groups (26 LL and 24 PL).…”
Section: Discussionsupporting
confidence: 45%
“…During endoscopic lithotripsy, there is often proximal migration of the calculus. [4][5][6] During the initial experience with ultrasonic lithotripsy, it was necessary to secure the stone with a basket. 1 Other lithotripsy devices, including impact and lasers, have also caused proximal migration of the calculus.…”
Section: Discussionmentioning
confidence: 99%
“…It is considered safer than electrohydraulic lithotripsy (which has the narrowest margin of safety), with a depth of penetration of less than 0.5 mm and provides higher stone-free rates. The Holmium:YAG causes less stone retropulsion compared with pneumatic lithotripsy [Garg et al 2009]. …”
Section: Intracorporeal Lithotripsymentioning
confidence: 99%