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Updated: Aug 19, 2026

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
Caring for catheterized patients: urinary catheter maintenance
1B Braun Medical Ltd, Thorncliffe Estate, Sheffield.
Insights
This article reviews catheter blockage causes and prevention strategies. It highlights pH testing, patient history, and improved catheter maintenance solutions to prolong catheter use.
Area of Science:
- Urology
- Medical Device Management
Background:
- Catheter blockage is a common complication leading to reduced device lifespan and patient discomfort.
- Effective management strategies are crucial for maintaining indwelling urinary catheter patency.
Purpose of the Study:
- To synthesize evidence and expert opinions on preventing urinary catheter blockage.
- To explore methods for extending the functional life of urinary catheters.
Main Methods:
- Review of existing literature and clinical opinions on catheter blockage.
- Examination of diagnostic tools like pH testing and patient history.
- Analysis of various catheter maintenance solutions and instillation techniques.
Main Results:
- Catheter blockage is multifactorial, influenced by patient health and catheter care practices.
- Comprehensive patient assessment, including pH testing and medical history, aids in prevention.
- Optimized use of catheter maintenance solutions and improved intervention techniques can enhance catheter patency.
Conclusions:
- Proactive management incorporating patient-specific factors and refined techniques is key to preventing catheter blockage.
- Further research into optimal catheter maintenance protocols is warranted to improve patient outcomes.
Abstract:
This article brings together the evidence and opinions surrounding the ongoing problem of catheter blockage and how to help maintain catheter life. The reasons behind blockage are examined as well as the roles that pH testing and building a comprehensive catheter history, including all aspects of patients' general health, play in caring for the catheterized patient. The use of catheter-maintenance solutions is addressed with discussion on smaller volumes, the use of double instillations and gentle technique for a shorter time of instillation and improvement in catheter-intervention techniques.
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