LNN ACADEMY 🦠🩺💊

📌 Frequently asked in NORCET & AIIMS — revise this before exam day! CATHETER-ASSOCIATED URINARY TRACT INFECTION (CAUTI) — COMPLETE NURSING NOTES CAUTI is one of the most common hospital-acquired infections (HAIs) and a guaranteed MCQ topic for nursing exams. 📌 DEFINITION (Exam Ready) CAUTI is a urinary tract infection that occurs in a patient who has an indwelling urinary catheter in place for more than 48 hours. 📍 MCQ Tip: UTI + catheter ≥ 48 hours → CAUTI 📌 COMMON CAUSATIVE ORGANISMS • Escherichia coli (most common) • Klebsiella • Pseudomonas • Enterococcus • Proteus 📍 Most common organism → E. coli 📌 RISK FACTORS • Prolonged catheterization • Break in aseptic technique • Female gender • Diabetes mellitus • Poor perineal hygiene • Advanced age 📌 PATHOPHYSIOLOGY • Catheter bypasses natural defense • Microorganisms ascend along catheter • Biofilm formation occurs • Leads to infection of urinary tract 📍 Biofilm = bacteria protection layer 📌 CLINICAL FEATURES • Fever • Dysuria • Suprapubic pain • Cloudy, foul-smelling urine • Hematuria • Altered sensorium (elderly) 📌 DIAGNOSIS • Urine routine & microscopy • Urine culture • Elevated WBC count 📍 Significant bacteriuria → ≥10⁵ CFU/ml 📌 PREVENTION (VERY IMPORTANT — NURSING FOCUS) CAUTI PREVENTION BUNDLE 1️⃣ Hand hygiene before & after handling catheter 2️⃣ Use aseptic technique during insertion 3️⃣ Maintain closed drainage system 4️⃣ Keep urine bag below bladder level 5️⃣ Avoid unnecessary catheterization 6️⃣ Daily catheter care 7️⃣ Remove catheter as early as possible 📍 MCQ: Best prevention → Early catheter removal 🩺 NURSING MANAGEMENT • Monitor urine output & characteristics • Maintain catheter patency • Encourage oral fluids • Perineal care daily • Monitor for signs of infection • Educate patient 📌 COMPLICATIONS • Pyelonephritis • Urosepsis • Prolonged hospital stay 📌 EXAM PEARLS • CAUTI occurs after → 48 hours • Most common organism → E. coli • Best prevention → Remove catheter early • Urine bag should be → Below bladder level 📌 QUICK MCQs 1. CAUTI comes under → HAIs 2. Biofilm formation seen in → Catheter infections 3. Significant bacteriuria value → 10⁵ CFU/ml 4. Most effective prevention → Early removal 📚 Save this post — CAUTI is a favourite topic for NORCET MCQs.

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