CAUTI prevention, routine catheter maintenance, and complication recognition
Urinary catheters are one of the most common medical devices managed in home care — and one of the most significant infection risks. Catheter-associated urinary tract infections (CAUTIs) are largely preventable with consistent evidence-based care. This lesson covers the catheter care standards that reduce infection risk and the clinical signs that prompt action.
The CDC CAUTI prevention bundle includes: insert only when necessary (not for incontinence management), maintain a closed sterile drainage system, secure the catheter to prevent movement and urethral trauma, keep the drainage bag below the level of the bladder at all times, perform routine perineal care daily and after bowel movements, and remove the catheter at the earliest clinically appropriate time. Each element has evidence supporting its role in infection prevention.
Perineal care should be performed daily and after every bowel movement. Clean from the urethral meatus downward — never back and forth — in a single stroke per pass to avoid dragging bacteria toward the insertion site. Use soap and water; antiseptic solution offers no additional benefit and may cause irritation.
Assess the catheter and drainage system at every visit: tubing free of kinks, drainage bag below bladder level, bag not overfull (empty when half full), meatus clean and free of crusting or discharge, catheter secured to the thigh without pulling.
New onset fever, suprapubic tenderness, cloudy or malodorous urine, flank pain, or hematuria in a catheterized client warrant clinical notification. In elderly clients, new confusion may be the sole presenting sign of CAUTI — never dismiss new cognitive change as "just age" in a catheterized client.
Decrease in urine output (less than 30 ml/hr sustained for 2 hours) may indicate obstruction. Check for kinked tubing, full drainage bag, or sediment/clot in the catheter. Gentle manual irrigation may be ordered to clear an obstruction — do not irrigate without a physician order.
Urine leaking around — not through — the catheter is called bypassing. Common causes: bladder spasms, constipation compressing the bladder neck, or partial catheter blockage. The solution is not to replace with a larger catheter (which increases trauma and infection risk) but to identify and treat the underlying cause.
Complete this 5-question quiz with 80% or higher to earn your CEU credit for this lesson.