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Abstract
Nosocomial urinary tract infection (UTI) is the most common infection acquired in
both hospitals and nursing homes and is usually associated with catheterization. This
infection would be even more common but for the use of the closed catheter system.
Most modifications have not improved on the closed catheter itself. Even with meticulous
care, this system will not prevent bacteriuria. After bacteriuria develops, the ability
to limit its complications is minimal. Once a catheter is put in place, the clinician
must keep two concepts in mind: keep the catheter system closed in order to postpone
the onset of bacteriuria, and remove the catheter as soon as possible. If the catheter
can be removed before bacteriuria develops, postponement becomes prevention.