An effective evidence-based cleaning method for the safe reuse of intermittent urinary catheters: In vitro testing.
Acetic Acid
Anti-Bacterial Agents
Detergents
Disinfectants
Disinfection
/ methods
Equipment Reuse
Evidence-Based Practice
Hot Temperature
Humans
In Vitro Techniques
Intermittent Urethral Catheterization
/ instrumentation
Materials Testing
Microbial Viability
Microwaves
Polyvinyl Chloride
Sodium Chloride
Sodium Hypochlorite
Steam
Ultrasonic Waves
Urinary Catheters
/ microbiology
cleaning
decontamination
intermittent catheterization
patient choice
reuse
sodium hypochlorite
uropathogens
viable but nonculturable (VBNC)
Journal
Neurourology and urodynamics
ISSN: 1520-6777
Titre abrégé: Neurourol Urodyn
Pays: United States
ID NLM: 8303326
Informations de publication
Date de publication:
03 2020
03 2020
Historique:
received:
15
10
2019
accepted:
24
12
2019
pubmed:
25
3
2020
medline:
13
11
2020
entrez:
25
3
2020
Statut:
ppublish
Résumé
To determine a safe bactericidal cleaning method that does not damage urethral catheters used for intermittent catheterization. In some countries, single-use catheters are the norm; in others, the reuse of catheters is common depending on health insurance, personal preference, or individual concerns about the environment. However, no recent study of cleaning methods has been published to provide evidence for the safe reuse of catheters. Using advanced microbiological methods, a laboratory study of eight cleaning methods was conducted. Sections of uncoated polyvinylchloride (PVC) catheters were exposed to bacterial uropathogens in physiologically correct artificial urine media then tested with a range of heat, chemical, and mechanical cleaning methods. Analysis of culturable and viable but nonculturable (VBNC) bacteria was done and direct microscopy was used. Descriptive statistics were used to compare values. Heat treatments, although effective, resulted in catheter surface breakdown and damage. Ultrasonic cleaning and vinegar showed evidence of VBNC populations indicating the methods were bacteriostatic. Detergent and water wash followed by immersion in a commercially available 0.6% sodium hypochlorite solution and 16.5% sodium chloride (diluted Milton) gave consistent bactericidal results and no visible catheter damage. Combined mechanical and chemical treatment of a detergent and water wash followed by immersion in diluted Milton (the "Milton Method") provided consistent and effective cleaning of uncoated PVC catheters, showing bactericidal action for all uropathogens tested after repeated exposure. If found safe in clinical testing, this method could increase the reuse of catheters, reduce plastic waste in the environment, reduce cost, and increase patient choice.
Substances chimiques
Anti-Bacterial Agents
0
Detergents
0
Disinfectants
0
Steam
0
Sodium Chloride
451W47IQ8X
Polyvinyl Chloride
9002-86-2
Sodium Hypochlorite
DY38VHM5OD
Acetic Acid
Q40Q9N063P
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
907-915Subventions
Organisme : Department of Health
ID : RP-PG-0610-10078
Pays : United Kingdom
Commentaires et corrections
Type : CommentIn
Informations de copyright
© 2020 The Authors. Neurourology and Urodynamics Published by Wiley Periodicals, Inc.
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