Key Points
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With the creation of flexible ureteroscopes with reduced calibre and holmium lasers of increased power, management of upper-tract urinary stones has changed towards ureteroscopic treatment
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The techniques of stone dusting or basketing both have advantages and disadvantages, but ultimately a number of factors including surgeon preference, stone size and composition determine which is used
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Further clinical trials are needed to define the role of these two ureteroscopic techniques for upper-urinary-tract stones
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Technological developments such as rendering fragments paramagnetic, focused ultrasonic propulsion and lasers with increased power should improve stone-free rates as well as patient satisfaction
Abstract
Over the past two decades, the management of upper-tract urinary stones has dramatically changed towards an increase in the use of ureteroscopic treatment. This change has been driven by technological advances such as the creation of flexible ureteroscopes with reduced calibre (which now have digital, disposable and dual flexion capability) and holmium lasers with increased power. Two basic principles exist when treating stones ureteroscopically: either creating stone dust and small fragments (<1–2 mm) to theoretically enable spontaneous passage of the small particles or stone fragmentation that enables safe extraction of the stone pieces with a basket or grasper in an efficient manner. Each method has unique advantages and disadvantages, but, ultimately, surgeon preference, stone size, composition, location and intrarenal and/or ureteral anatomy determine which technique is used. To date, clinical trials comparing these two techniques are lacking.
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O.S. has been a consultant and lecturer and served on the scientific advisory board for Boston Scientific. He is an Assistant Editor for the Journal of Urology and has served on the Guidelines Committee for Surgical Management of Stone Disease for the American Urological Association. He is also the Editor of a textbook for Elsevier and is a Special Government Employee for the Food and Drug Administration, USA. B.W. declares no competing interests.
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Weiss, B., Shah, O. Evaluation of dusting versus basketing — can new technologies improve stone-free rates?. Nat Rev Urol 13, 726–733 (2016). https://doi.org/10.1038/nrurol.2016.172
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DOI: https://doi.org/10.1038/nrurol.2016.172
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