Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/29/2025

Foley Catheter Management in Urosepsis with Colovesical Fistula

Critical Role of Foley Catheterization

  • A closed drainage system reduces the risk of additional catheter-associated bacteriuria during the acute phase, as recommended by the Infectious Diseases Society of America 1, 2, 3

Rationale for Catheter Placement

  • Short-term catheter-associated bacteriuria does not significantly increase risk of sepsis or death in patients already receiving appropriate antibiotics for urosepsis, according to the Infectious Diseases Society of America 4, 5
  • A prospective randomized trial showed no differences in mortality or urosepsis rates between ICU patients with asymptomatic bacteriuria who received antimicrobial treatment versus those who did not, as reported by the Infectious Diseases Society of America 5

Practical Approach to Difficult Catheterization

  • Consider suprapubic catheter placement by urology if urethral catheterization remains difficult after 24-48 hours, as suggested by the Infectious Diseases Society of America 1

Important Caveats

  • Do not treat asymptomatic bacteriuria once the acute urosepsis is controlled, as recommended by the Infectious Diseases Society of America 4, 5, 6
  • Do not perform routine surveillance urine cultures in catheterized patients, according to the Infectious Diseases Society of America 4, 5
  • Do not give prophylactic antibiotics at catheter removal, as advised by the Infectious Diseases Society of America 6
  • Use a closed drainage system maintained below bladder level at all times, as recommended by the Infectious Diseases Society of America 1, 2, 3
  • Minimize disconnections of the catheter-drainage junction, as suggested by the Infectious Diseases Society of America 1, 2, 3