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Fragmentation without extraction in ureteral stones: outcomes of 238 cases

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Abstract

We aimed to evaluate the success rates, auxiliary procedures and complications after ureteroscopic lithotripsy (URS) during which the fragments left in situ for spontaneous passage after complete disintegration into a acceptable (<4 mm) size. 238 patients with ureteral stones were treated with URS between 2005 and 2011, and disintegrated fragments (<4 mm) were left in situ for spontaneous passage. Patients were followed with radiography for 3 months and evaluated with respect to the success rates (stone-free), auxiliary procedures, complication rates and additional analgesic requirement. The median age was 42.2 ± 13.7 years, and overall stone size was 8.79 ± 2.94 mm. Significantly lower rate of stone-free status was achieved in proximal stones (p < 0.05). A second URS was necessary in 5% (n = 12) of the patients. Double-J catheter placement during initial URS did not cause any change in the rate of secondary URS (p = 0.620). Additional oral or intramuscular analgesia was required in 41% (n = 97) and 25% (n = 59) of the patients, respectively, after discharge. The overall stone-free rate was 95% and mean time to complete clearance was 5 days. Severe colic pain within 24 h was noted in 21 (9%), and transient hydro-ureteronephrosis in 31 (13%) patients, as minor complications. Leaving the fragments (<4 mm) in place for spontaneous passage following a successful disintegration in URS could be a reasonable approach with acceptable and comparable stone-free rates, and this approach appears to give chance of shortening the duration of operation and also avoiding from the potential morbidity of repeated manipulations during the both further disintegration and extraction.

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The authors declare that they have no conflict of interest.

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Correspondence to Rahim Horuz.

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Göktaş, C., Horuz, R., Akça, O. et al. Fragmentation without extraction in ureteral stones: outcomes of 238 cases. Urol Res 40, 383–387 (2012). https://doi.org/10.1007/s00240-011-0431-5

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  • DOI: https://doi.org/10.1007/s00240-011-0431-5

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