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Updated: Aug 10, 2026
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Published on: January 7, 2019
A randomized cross-over study comparing the use of a catheter valve and a leg-bag in urethrally catheterized male
Insights
Men with urethral catheters preferred catheter valves (CV) over leg-bags (LB) for comfort and discretion, despite some experiencing increased nocturnal frequency with CVs. A combination approach may be ideal for managing urinary catheter drainage.
Area of Science:
- Urology
- Medical Devices
- Patient Care
Background:
- Urethral catheterization is common for urinary retention.
- Managing long-term catheter use requires effective drainage solutions.
- Patient preference and comfort are crucial for adherence and quality of life.
Purpose of the Study:
- To compare the efficacy and patient preference of catheter valves (CV) versus leg-bags (LB) in men with urethral catheters.
- To assess patient-reported outcomes including bladder spasms, nocturnal frequency, bypassing, and discomfort.
Main Methods:
- A randomized cross-over study involving 18 men with urethral catheters.
- Patients used both CV and LB for 3-week periods.
- Outcomes were assessed via questionnaire and subjective preference scoring.
Main Results:
- No significant differences in bladder spasms, discomfort, or urine cultures between CV and LB.
- CV use was associated with slightly higher nocturnal frequency and bypassing episodes.
- 13 out of 18 patients preferred the CV, scoring it significantly higher for comfort and discretion.
Conclusions:
- Most men preferred catheter valves for their comfort and discreet nature.
- The sensation of urine in leg-bags was a common dislike.
- For patients experiencing nocturnal frequency with CVs, a combined day-valve/night-bag system is suggested.
Objectives:
To evaluate the use of a catheter valve (CV) and a leg-bag (LB) in men with urethral catheters and to determine the preferred modality.
Patients And Methods:
Eighteen men (mean age 71.4 years, SD 3.4, range 63-76) presenting in acute retention and catheterized urethrally were enrolled in a 6-week randomized cross-over study comparing the CV with the LB (3 weeks with each modality). The outcome was assessed using a questionnaire which quantified the incidence of bladder spasms, nocturnal frequency, the extent of any by-passing episodes and the degree of discomfort. At the end of the study, the patients were asked to express a preference (using a subjective scoring scale) for either the CV or the LB and to give the reasons why.
Results:
There was no difference in the reported incidence of bladder spasms or discomfort and no difference in positive urine cultures with each modality. However, with the CV, there was a slightly higher incidence in nocturnal frequency and by-passing episodes. Thirteen patients preferred the CV whilst five preferred the LB. With the subjective scoring scale (range 0-10), the CV scored significantly higher than the LB (7.2, SD 3.1 and 5.2, SD 2.8, P < 0.05: paired t-test).
Conclusions:
Most patients preferred to use the CV, reporting that it felt more comfortable and discreet, and many patients did not like the sensation of urine 'sloshing about' when using the leg-bag. Some patients using the CV were troubled by nocturnal frequency. In these patients we suggest that a combination of a valve during the day and an overnight bag may be the ideal solution.
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