The risk of catheter encrustation or CAUTI

One of the possible solutions for patients with incontinence or chronic urinary retention is bladder drainage by indwelling urinary catheterization. Indwelling urinary catheters are not free from complications. Known complications are catheter obstructions (i.e. caused by encrustation) which can lead to frequent catheter changes.¹ More catheter changes may increase the risk of catheter associated-urinary tract infection (CAUTI).² Bacteria may enter the catheter and adhere to the catheter or the drainage bag.² Contaminated catheters can develop colonies and biofilm.² Catheter encrustations may occur and reach clinical significance, e.g. by obstructing the urine outflow through the catheter.³

Uro-Tainer®

Catheter maintenance

Catheter maintenance solutions have been developed to remove small blood clots, tissue and debris to maintain the catheter and reduce frequency of catheter changes.

Different catheter maintenance solutions are available on prescription such as saline, solutions with citric acid, or solutions with ancillary antimicrobial effect like Polihexanide. Catheter maintenance solutions can be used as part of a management plan aiming to prevent the development of catheter-associated complications and hereby helping to reduce the risk of encrustation or trauma by catheter removal.

Regular catheter maintenance can help avoid the risk of bacterial colonization, can help to remove deposits and to prevent debris formation.

Urinary Catheter Maintenance

Uro-Tainer® Twin Suby G (Citric Acid 3.23%)

Two-chamber bag solution for urinary catheter maintenance

Uro-Tainer® Twin Solutio R (Citric Acid 6%)

Two-chamber bag solution for urinary catheter maintenance

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References

Ho CC, Khandasamy Y, Singam P, Hong Goh E, Zainuddin ZM. Encrusted and incarcerated urinary bladder catheter: what are the options? Libyan J Med. 2010 Nov 25;5. doi: 10.3402/ljm.v5i0.5686. PMID: 21483557; PMCID: PMC3066753.
Juanjuan D, TianTian Z, Yue D, Lili W, Ping X, Xu H. Analysis of Etiology and Risk Factors of Catheter-Associated Urinary Tract Infection in Critically Ill Patients and Research on Corresponding Prevention and Nursing Measures. Appl Bionics Biomech. 2021 Dec 20;2021:8436344. doi: 10.1155/2021/8436344. Retraction in: Appl Bionics Biomech. 2023 Aug 16;2023:9782046. doi: 10.1155/2023/9782046. PMID: 34966446; PMCID: PMC8712177.
Stickler DJ. Clinical complications of urinary catheters caused by crystalline biofilms: something needs to be done. J Intern Med. 2014 Aug;276(2):120-9. doi: 10.1111/joim.12220. PMID: 24635559.