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Korean J Urol. 2012 Sep;53(9):632-5. doi: 10.4111/kju.2012.53.9.632. Epub 2012 Sep 19.

Efficacy and safety of emergency ureteroscopic management of ureteral calculi.

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Department of Urology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.



To evaluate the efficacy and safety of the ureteroscopic management of ureteral stones immediately after a first colic attack.


We retrospectively analyzed the data of 226 patients with obstructive ureteral stones who underwent ureteroscopy with stone retrieval. The 67 patients in group A underwent ureteroscopy within 48 hours of admission to our emergency department, whereas the 159 patients in group B underwent ureteroscopy more than 48 hours after admission. The chi-square test was used to evaluate and compare stone-free status, auxiliary procedures, and complications and the Kruskal-Wallis and Fisher's exact tests were used to analyze qualitative data.


Mean stone sizes in groups A and B were 2.41±1.62 mm and 4.11±2.64 mm, respectively. No patient experienced a major complication during or after the procedure. Stone-free rates were 89.55% and 89.93%, respectively.


Emergency ureteroscopy in cases of obstructive ureteral stones is both safe and effective and offers the advantages of immediate stone fragmentation and the relief of acute-onset colic pain.


Emergencies; Ureteral calculi; Ureteroscopy

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