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Published in: International Urogynecology Journal 9/2020

01-09-2020 | Ciprofloxacin | Original Article

A comparison of antibiotic prophylaxis regimens to decrease the risk of post-procedure urinary tract infection after onabotulinum toxin A injection

Authors: Jennifer A. Bickhaus, Monique Vaughan, Tracy Truong, Yi-Ju Li, Nazema Y. Siddiqui

Published in: International Urogynecology Journal | Issue 9/2020

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Abstract

Introduction and hypothesis

To evaluate the risk of post-injection urinary tract infection (UTI) after onabotulinumtoxin A (BTX-A) treatment based on the timing of when antibiotic prophylaxis is started.

Methods

This is a retrospective cohort study of 111 women with refractory idiopathic overactive bladder who underwent intradetrusor injection of BTX-A. Two cohorts were identified: (1) 67 women who started antibiotic prophylaxis with ciprofloxacin 1 day prior to injection; (2) 44 women who received antibiotic prophylaxis with ciprofloxacin after injection only. We assessed for post-injection UTI within 90 days after BTX-A. Multivariable logistic regression was performed to adjust for potential confounders.

Results

One hundred eleven women underwent BTX-A. In total, 30 (27%) had a UTI within 90 days; these included 15/67 (22%) of those who started antibiotics 1 day prior to injection and 15/44 (34%) of those receiving antibiotics after injection. While the unadjusted analysis showed no significant associations between timing of antibiotic administration and UTI (OR = 0.56; 95% CI = 0.24, 1.30; p = 0.18), an adjusted analysis showed the pre-procedure antibiotic group had a significant reduction in post-procedure UTI after controlling for age, history of UTI, diabetes, and urinary retention requiring catheterization (OR = 0.23; 95% CI = 0.07, 0.73; p = 0.01).

Conclusions

Starting antibiotics 1 day prior to BTX-A injection decreases the odds of post-injection UTI compared with women who use post-procedure antibiotic prophylaxis over shorter duration. Consideration should be given to beginning antibiotic prophylaxis prior to the procedure and continuing it for 4 total days to decrease the risk of UTI.
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Metadata
Title
A comparison of antibiotic prophylaxis regimens to decrease the risk of post-procedure urinary tract infection after onabotulinum toxin A injection
Authors
Jennifer A. Bickhaus
Monique Vaughan
Tracy Truong
Yi-Ju Li
Nazema Y. Siddiqui
Publication date
01-09-2020
Publisher
Springer International Publishing
Published in
International Urogynecology Journal / Issue 9/2020
Print ISSN: 0937-3462
Electronic ISSN: 1433-3023
DOI
https://doi.org/10.1007/s00192-020-04230-7

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