Highlights
- •Catheter associated urinary tract infection (CAUTI) is a common iatrogenic infection.
- •Likelihood of CAUTI development increases 9% each additional day of catheterisation.
- •We found no difference in medical and surgical patients for developing CAUTI.
- •Interventions reducing catheter days could be used to improve CAUTI rates.
Abstract
Background
Indwelling urinary catheters (IDCs) are a common invasive device in hospitalised patients.
Their use is associated with increased risks of developing catheter associated urinary
tract infections (CAUTI), and blood stream infections (BSI).
Aims
To examine the characteristics and outcomes of adult inpatients with an IDC inserted
in hospital and identify risk factors for developing CAUTI and BSI.
Methods
We performed a retrospective observational study of 430 patients with IDC admitted
to medical and surgical units of a leading (tertiary) hospital between Nov 2019 till
April 2020. Multiple logistic regression analysis was performed to determine independent
risk factors for developing urinary tract infection and blood stream infection.
Results
The prevalence of CAUTI in our study was 7.4%. Results of multiple logistic regression
indicated that with each day of IDC in situ, the likelihood of UTI development increased
by 9% (OR 1.09; 95% CI 1.00 to 1.18; p = 0.03). Age, gender, and catheter reinsertion
were not associated with UTI development.
Conclusions
Longer duration of IDC was associated with elevated risk of developing CAUTI. CAUTI
rates were higher than some of those previously published. There was no statistical
significance in frequency of CAUTI between medical and surgical patients. No statistically
significant variables that contributed to the development of BSI were found. Interventions
targeted at reducing catheter days should be used to improve CAUTI rates.
Keywords
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Article info
Publication history
Published online: June 20, 2022
Accepted:
May 23,
2022
Received in revised form:
May 20,
2022
Received:
October 17,
2021
Identification
Copyright
© 2022 Australasian College for Infection Prevention and Control. Published by Elsevier B.V. All rights reserved.