Catheter-associated urinary tract infections are the most common nosocomial infection and
a frequent cause of significant morbidity, sepsis, and death. The pathogenesis is
multifaceted. Most frequently, bacteria from the urethral meatus ascend to the bladder
between the mucosal and catheter surfaces. Alternatively, bacteria may ascend within the
drainage system following contamination of the drainage bag or disruption of the catheter
tubing junction. The incidence of infection is approximately 5 to 7 per cent for each day of …