Holmium:YAG laser treatment of ureteral calculi: a 5-year experience

Farkas, Anna; Péteri, L.; Lénárd, László; Salah, Morshed Ali; Flaskó, Tibor; Varga, Attila; Tóth, Cs.

doi:10.1007/s10103-006-0392-z

Cited by 11 publications

(1 citation statement)

References 20 publications

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“…This process allows for the treatment of large calculi within the upper urinary tract without the burdensome process of fragment removal. The safety and efficacy of the Ho:YAG laser as an endoscopic lithotripter has been confirmed in other studies (14,15).…”

Section: Commentsmentioning

confidence: 60%

Impact of obesity on ureteroscopic laser lithotripsy of urinary tract calculi

et al. 2009

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Purpose: The treatment of urinary tract stones in obese patients may differ from the treatment of non-obese patients and their success rate varies. Our objective was to compare ureteroscopic treatment outcomes of ureteral and renal stones, stratified for stone size and location, between overweight, obese and non-obese patients. Materials and Methods: Charts were reviewed for 500 consecutive patients presenting at our institution for renal and ureteral stones. A total of 107 patients underwent flexible or semi-rigid ureteroscopy with Ho:YAG laser lithotripsy and met criteria for review and analysis. Results: Overall, initial stone-free rates were 91%, 97%, and 94% in normal, overweight and obese individuals respectively. When compared to non-obese patients, there were no significant differences (p value = 0.26; 0.50). For renal and proximal ureteral stones, the stone-free rate in overweight and obese individuals was 94% in both groups; and a stone-free rate of 100% was found for distal stones, also in both groups. Conclusions: Ureteroscopic treatment of stones in obese and overweight patients is an acceptable treatment modality, with success rates similar to non-obese patients.

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Section: Commentsmentioning

confidence: 60%

Impact of obesity on ureteroscopic laser lithotripsy of urinary tract calculi

et al. 2009

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Ureteric guidewire damage by Holmium:YAG laser: preliminary results

et al. 2009

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Typically, guidewires are regularly used to provide access or act as a guide during laser lithotripsy. This may result in the tip of the fibre being in close proximity to the guidewire during the firing period and consequently, this could result in accidental damage to the guidewires during the procedure. To replicate this scenario, an experimental model was designed enabling accurate and reproducible positioning of the laser fibre relative to the guidewire. The guidewire was exposed to the laser energy for a range of typical settings used in the clinic. The results demonstrate that the guidewire is susceptible to laser energy damage, especially in close proximity to the fibre.

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