Prospective Single-center Study Comparing Thulium Fiber Laser to Pulsed Thulium:YAG Laser in the Ureteroscopic Treatment of Nephrolithiasis
University of California, San Diego
Summary
This research study is being conducted to assess the ability and efficiency of two laser systems to break up kidney stones during ureteroscopy with laser lithotripsy for kidney stone treatment.
Description
Ureteroscopic stone treatment is a minimally invasive procedure commonly performed for kidney stones. Recently, the thulium fiber laser (TFL) has demonstrated effectiveness in this procedure. A new laser system developed by Dornier, the Thulio pulsed Thulium:YAG (p-Tm:YAG ) is beginning to be studied in vitro and in vivo. Dornier Thulio p-Tm:YAG may represent an attractive new laser platform, with comparable properties to TFL including decreased retropulsion, smaller dust, and improved ablation efficiency relative to Ho:YAG. Moreover, the p-Tm:YAG laser has been shown to be effective in treati…
Eligibility
- Age range
- 18+ years
- Sex
- All
- Healthy volunteers
- No
Inclusion Criteria: * Solitary renal stone 7 to 20 mm in size or in the case of multiple stones the conglomerate diameter (additive maximal diameter of all stones on axial imaging of computed tomography) of 7-20 mm is required * Must be a suitable operative candidate for flexible ureteroscopy per American Urological Association guidelines * Must be able to give consent * Bilateral ureteroscopy will be permitted but only the first side (per surgeon discretion) will be included in the study * Surgeons participating in the study must be urological attending surgeons or fellows with subspecialty…
Interventions
- DeviceThulio pulsed Thulium:YAG (p-Tm:YAG)
A new laser system developed by Dornier, the Thulio pulsed Thulium:YAG (p-Tm:YAG ) is beginning to be studied in vitro and in vivo. Dornier Thulio p-Tm:YAG may represent an attractive new laser platform, with comparable properties to TFL including decreased retropulsion, smaller dust, and improved ablation efficiency relative to Ho:YAG.
- DeviceThulium Laser Fiber (TFL)
The thulium fiber laser (TFL) has demonstrated effectiveness in this procedure
Location
- University of California, San DiegoSan Diego, California