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Combined retrograde flexible ureteroscopic lithotripsy with holmium YAG laser for renal calculi associated with ipsilateral ureteral stones.
J Endourol. 2009 Feb; 23(2):253-7.JE

Abstract

PURPOSE

The purpose of this study was to evaluate the effectiveness of combined ureteroscopic holmium YAG lithotripsy for renal calculi associated with ipsilateral ureteral stones.

MATERIALS AND METHODS

Between August 2002 and March 2007, retrograde flexible ureteroscopic stone treatment was attempted in 351 cases. Indication for treatment was concurrent symptomatic ureteral stones in 63 patients (group I). Additional operative time and perioperative complication rates were compared to a group of 39 patients submitted to ureteroscopic treatment for ureteral calculi exclusively (group II).

RESULTS

Mean ureteral stone size was 8.0 +/- 2.6 mm and 8.1 +/- 3.4 mm for groups I and II, respectively. Mean operative time for group I was 67.9 +/- 29.5 minutes and for group 2 was 49.3 +/- 13.2 minutes (p < 0.001). Flexible ureteroscopic therapy for renal calculi increased 18 minutes in the mean operative time. The overall complication rate was 3.1% and 2.5% for groups I and II, respectively (p = 0.87). Mean renal stone size was 10.7 +/- 6.4 mm, overall stone free rate in group I was 81%. However, considering only patients with renal stones smaller than 15 mm, the stone free rate was 88%. Successful treatment occurred in 81% of patients presenting lower pole stones, but only 76% of patients with multiple renal stones became stone free. As expected, stone free rate showed a significant negative correlation with renal stone size (p = 0.03; r = -0.36). Logistic regression model indicated an independent association of renal stones smaller than 15 mm and stone free rate (OR = 13.5; p = 0.01).

CONCLUSION

Combined ureteroscopic treatment for ureteral and ipsilateral renal calculi is a safe and attractive option for patients presenting for symptomatic ureteral stone and ipsilateral renal calculi smaller than 15 mm.

Authors+Show Affiliations

Department of Urology, University of Sao Paulo (USP), Sao Paulo, Brazil. mcocuzza@uol.com.brNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19187015

Citation

Cocuzza, Marcello, et al. "Combined Retrograde Flexible Ureteroscopic Lithotripsy With Holmium YAG Laser for Renal Calculi Associated With Ipsilateral Ureteral Stones." Journal of Endourology, vol. 23, no. 2, 2009, pp. 253-7.
Cocuzza M, Colombo JR, Ganpule A, et al. Combined retrograde flexible ureteroscopic lithotripsy with holmium YAG laser for renal calculi associated with ipsilateral ureteral stones. J Endourol. 2009;23(2):253-7.
Cocuzza, M., Colombo, J. R., Ganpule, A., Turna, B., Cocuzza, A., Dhawan, D., Santos, B., Mazzucchi, E., Srougi, M., Desai, M., & Desai, M. (2009). Combined retrograde flexible ureteroscopic lithotripsy with holmium YAG laser for renal calculi associated with ipsilateral ureteral stones. Journal of Endourology, 23(2), 253-7. https://doi.org/10.1089/end.2008.0368
Cocuzza M, et al. Combined Retrograde Flexible Ureteroscopic Lithotripsy With Holmium YAG Laser for Renal Calculi Associated With Ipsilateral Ureteral Stones. J Endourol. 2009;23(2):253-7. PubMed PMID: 19187015.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Combined retrograde flexible ureteroscopic lithotripsy with holmium YAG laser for renal calculi associated with ipsilateral ureteral stones. AU - Cocuzza,Marcello, AU - Colombo,Jose R,Jr AU - Ganpule,Arvind, AU - Turna,Burak, AU - Cocuzza,Antonio, AU - Dhawan,Divyar, AU - Santos,Bruno, AU - Mazzucchi,Eduardo, AU - Srougi,Miguel, AU - Desai,Mahesh, AU - Desai,Mihir, PY - 2009/2/4/entrez PY - 2009/2/4/pubmed PY - 2009/4/16/medline SP - 253 EP - 7 JF - Journal of endourology JO - J. Endourol. VL - 23 IS - 2 N2 - PURPOSE: The purpose of this study was to evaluate the effectiveness of combined ureteroscopic holmium YAG lithotripsy for renal calculi associated with ipsilateral ureteral stones. MATERIALS AND METHODS: Between August 2002 and March 2007, retrograde flexible ureteroscopic stone treatment was attempted in 351 cases. Indication for treatment was concurrent symptomatic ureteral stones in 63 patients (group I). Additional operative time and perioperative complication rates were compared to a group of 39 patients submitted to ureteroscopic treatment for ureteral calculi exclusively (group II). RESULTS: Mean ureteral stone size was 8.0 +/- 2.6 mm and 8.1 +/- 3.4 mm for groups I and II, respectively. Mean operative time for group I was 67.9 +/- 29.5 minutes and for group 2 was 49.3 +/- 13.2 minutes (p < 0.001). Flexible ureteroscopic therapy for renal calculi increased 18 minutes in the mean operative time. The overall complication rate was 3.1% and 2.5% for groups I and II, respectively (p = 0.87). Mean renal stone size was 10.7 +/- 6.4 mm, overall stone free rate in group I was 81%. However, considering only patients with renal stones smaller than 15 mm, the stone free rate was 88%. Successful treatment occurred in 81% of patients presenting lower pole stones, but only 76% of patients with multiple renal stones became stone free. As expected, stone free rate showed a significant negative correlation with renal stone size (p = 0.03; r = -0.36). Logistic regression model indicated an independent association of renal stones smaller than 15 mm and stone free rate (OR = 13.5; p = 0.01). CONCLUSION: Combined ureteroscopic treatment for ureteral and ipsilateral renal calculi is a safe and attractive option for patients presenting for symptomatic ureteral stone and ipsilateral renal calculi smaller than 15 mm. SN - 1557-900X UR - https://www.unboundmedicine.com/medline/citation/19187015/Combined_retrograde_flexible_ureteroscopic_lithotripsy_with_holmium_YAG_laser_for_renal_calculi_associated_with_ipsilateral_ureteral_stones_ L2 - https://www.liebertpub.com/doi/full/10.1089/end.2008.0368?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -