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BMC Urology
Published in: BMC Urology 1/2017

Open Access 01-12-2017 | Research article

The usefulness of flexible cystoscopy for preventing double-J stent malposition after laparoscopic ureterolithotomy

Authors: Jae-Yoon Kim, Seok-Ho Kang, Jun Cheon, Jeong-Gu Lee, Je-Jong Kim, Sung-Gu Kang

Published in: BMC Urology | Issue 1/2017

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Abstract

Background

The aim of this study was to evaluate the role of flexible cystoscopy in preventing malpositioning of the ureteral stent after laparoscopic ureterolithotomy in male patients.

Methods

From April 2009 to June 2015, 97 male patients with stones >1.8 cm in the upper ureter underwent intracorporeal double-J stenting of the ureter after laparoscopic ureterolithotomy performed by four different surgeons. In the last 50 patients who underwent laparoscopic ureterolithotomy flexible cystoscopy was performed through the urethral route to confirm the position of the double-J stent, while in the first 47 correct positioning of the stent was confirmed through postoperative KUB. The demographic data and perioperative outcomes were reviewed retrospectively. Penalized logistic regression analysis was used to evaluate the effects of flexible cystoscopy.

Results

Upward malpositioning of the ureteral stent was found in 9 of the 47 (19.1%) patients who underwent surgery without flexible cystoscopy. Among the 50 most recent patients who underwent surgery with flexible cystoscopy through the urethral route, upward malpositioning was observed in 10 (20%) patients. The factors preventing upward malpositioning of the double-J catheter in multivariate analysis were surgeon (p = 0.039) and use of flexible cystoscopy (p = 0.008).

Conclusion

Flexible cystoscopy is a simple, safe, quick, and effective method to identify and correct malpositioning of double-J stents, especially in male patients.

Trial registration

This study was registered with ClinicalTrials.gov Registry on May 11, 2017 (retrospective registration) with a trial registration number of NCT03150446.
Appendix
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Metadata
Title
The usefulness of flexible cystoscopy for preventing double-J stent malposition after laparoscopic ureterolithotomy
Authors
Jae-Yoon Kim
Seok-Ho Kang
Jun Cheon
Jeong-Gu Lee
Je-Jong Kim
Sung-Gu Kang
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Urology / Issue 1/2017
Electronic ISSN: 1471-2490
DOI
https://doi.org/10.1186/s12894-017-0232-4

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