This one is strictly for your doctor to explain to you, so ask him/her to compare it to reconditioning cars.
http://www.hubmed.org/display.cgi?uids=22660367
The aim of this study was to determine the effects of bladder
reconditioning by indwelling urethral catheter (IUC) clamping before IUC
removal in stroke patients.Sixty patients with stroke were randomized
to 0-, 1-, and 3-day IUC clamping groups. IUCs were removed without
clamping in the 0-day group. In the other two groups, IUCs were clamped
for 4 hrs followed by 5 mins of urinary drainage, a cycle repeated over
24 hrs in the 1-day and over 72 hrs in the 3-day clamping groups. Time
to first voiding (FV), first voided volume (FV-vol), residual urine
volume after FV, mean void volume, and residual urine volume on the
third day after IUC removal were measured. We also recorded the voiding
method such as self-voiding or intermittent catheterization, incidence
of urinary tract infection, subjective complaints, and other
complications.Time to FV, FV-vol, residual urine volume after FV,
voiding method, mean voided volume, and residual urine volume on the
third day after IUC removal had no significant difference among three
groups, nor between the 0-day and the other two clamping groups. We
observed a strong negative correlation between age and FV-vol. Of the
patients in the 1- and 3-day clamping groups, 3 (7.5%) had symptomatic
urinary tract infection and 9 (22.5%) complained of urinary leakage
during IUC clamping program.Bladder reconditioning through IUC clamping
has no noticeable benefits in stroke patients and may induce additional
problems. These findings suggest that IUC removal without clamping is
superior to IUC clamping for bladder reconditioning in stroke patients
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