CAUTI Prevention

Catheter-associated urinary tract infections are the most common healthcare-associated infection — and nearly all are preventable with nursing actions you control at the bedside.

A CAUTI is a UTI occurring in a patient with an indwelling urinary catheter in place for more than two consecutive calendar days (day of insertion = day 1), or within 48 hours after removal. The single most effective prevention strategy is avoiding unnecessary catheterization. Acceptable indications include acute urinary retention or obstruction, accurate I&O monitoring in critically ill patients, perioperative use for selected surgeries, and end-of-life comfort. Convenience, incontinence alone, or obtaining a urine specimen are NOT valid reasons. Once inserted, the catheter system must remain closed and sterile — never disconnect the tubing from the drainage bag. Keep the bag below the level of the bladder at all times and never let it rest on the floor. Secure the catheter to the thigh (female) or lower abdomen (male) to prevent traction and urethral trauma. Perform perineal hygiene with soap and water during routine bathing; antiseptic cleansing of the meatus has not been shown to reduce CAUTI rates. Daily reassessment of catheter necessity is a core nursing responsibility — prompt removal when indications no longer exist is the strongest ongoing prevention measure.

Key Distinctions

Don't confuse bacteriuria with CAUTI — asymptomatic bacteriuria is common in catheterized patients and does not require treatment. Students often think routine catheter irrigation prevents infection; it actually increases risk by breaking the closed system. CAUTI prevention focuses on duration and necessity, while CLABSI prevention centers on dressing changes and hub disinfection — different bundles for different lines.

Clinical Pearl

Every shift, ask one question: 'Does this catheter still need to be here?' The fastest way to prevent a CAUTI is to get the catheter out.