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. 2024 Apr 30;42(1):277.
doi: 10.1007/s00345-024-04983-6.

Risk factors of early infectious complications after ureterorenoscopy for stone disease: a prospective study

Brecht Devos  1 , Wies Vanderbruggen  1 , Marc Claessens  2 , Aline Duchateau  2 , Robert Hente  2 , Etienne Xavier Keller  3   4 , Amelia Pietropaolo  3   5 , Ben Van Cleynenbreugel  1   6 , Vincent De Coninck  7   8
Affiliations

Risk factors of early infectious complications after ureterorenoscopy for stone disease: a prospective study

Brecht Devos et al. World J Urol. .

Abstract

Purpose: To prospectively evaluate the rate and associated risk factors of early infectious complications after ureterorenoscopy for urolithiasis.

Methods: After ethical committee approval, 400 therapeutic retrograde ureterorenoscopy procedures between August 3, 2020 and November 24, 2021 were included for analysis in a single-center study. Postoperative infection was defined as an afebrile urinary tract infection, fever (≥ 38 °C) with pyuria (≥ 300 WBC/μL) or proven urinary pathogen, and urosepsis. The primary outcome was the rate of infectious complications after ureterorenoscopy. Secondary outcomes were the perioperative factors that increased the risk of infectious complications within 30 days of surgery using univariate and multivariate logistic regression analysis.

Results: Twenty-nine of four hundred (7.3%) patients developed an infectious complication within 30 days after ureterorenoscopy. Ten (2.5%) patients developed an afebrile urinary tract infection, eight (2.0%) developed fever with pyuria, five (1.3%) febrile urinary tract infection, and six (1.5%) urosepsis. On univariate analysis, preoperative stent-type JFil® pigtail suture stent was significantly associated with the dependent variable (p < 0.001). On multivariate logistic regression analysis, older age (OR 1.035; 95% CI 1.006-1.070; p = 0.02) was found to be significantly associated with developing a postoperative infectious complication.

Conclusions: A 7.3% rate of postoperative infectious complications and 1.5% urosepsis rate were observed after therapeutic ureterorenoscopy, without the need of intensive care admission. The only significant risk factors were preoperative stent type (JFil® pigtail suture stent) on univariate analysis, and older age on multivariate logistic regression analysis. Further multicentric prospective observational data are needed in this field.

Keywords: Complication; Lithotripsy; Ureteroscopy; Urinary tract infections; Urolithiasis; Urosepsis.

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References

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