International Urology and Nephrology

, Volume 52, Issue 1, pp 15–19 | Cite as

Early ureteroscopic lithotripsy in acute renal colic caused by ureteral calculi

  • Ercan OgredenEmail author
  • Erhan Demirelli
  • Mefail Aksu
  • Doğan Sabri Tok
  • Ural Oğuz
Urology - Original Paper



We aimed at comparing the success and complications of early semirigid ureteroscopy (URS) and elective URS in ureteral calculi with renal colic that do not respond to analgesics.


We retrospectively analyzed the data of 690 patients with obstructive ureteral stones who underwent URS with stone retrieval. 247 patients who underwent early URS within the first 12 h were classified as group I and 443 patients who underwent elective URS as group II. Both groups were compared in terms of age, sex, creatinine, eGFR, stone size, laterality, location and number of stones, type of lithotriptor, presence of hydronephrosis and success and complication rates.


The mean age of the patients was 50.4 (18–89 years) (p > 0.05). There was no statistically significant difference between the groups in terms of age, eGFR, side, presence of hydronephrosis, fever, mucosal damage, stone migration, perforated ureter, ureteral avulsion, ureteral stent insertion at the end of the surgery and sepsis (p > 0.05). Both groups had male dominance (p > 0.05). Creatinine was significantly lower in Group I (p < 0.05). The mean stone size was also significantly lower in Group I (p < 0.05). Middle and proximal ureteral calculi were more common in Group II (p < 0.05). Multiple stones were higher in Group II (p < 0.05). The dominant type of lithotriptor used was pneumatic in Group I and laser in Group II (p < 0.05). Stone-free rates (SFRs) were higher in Group I (98% vs 90% in the first month) (p < 0.05). Postoperative hematuria and infection were more common in Group II (p < 0.05).


In selected cases, early ureteroscopy is an effective and safe method for distal ureteral calculi smaller than 10 mm that are painful and resistant to analgesic treatment.


Ureteral calculi Ureteral colic Early ureteroscopy Elective ureteroscopy 



None of the authors has direct or indirect commercial financial incentive associated with publishing the article.

Compliance with ethical standards

Conflict of interest

None of the authors has direct or indirect commercial financial incentive associated with publishing the article and does not have any conflict of interest, and will sign the Disclosing Form.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of Urology, Faculty of MedicineGiresun UniversityGiresunTurkey

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