Which severity score is better for community-acquired pneumonia - CURB-65 or PSI? And what are ICU admission criteria?

1 Answer

CURB-65 vs PSI for Community-Acquired Pneumonia: CURB-65 (simpler, preferred in ED): C - Confusion (new onset): 1 point U - Urea >7 mmol/L (BUN >20 mg/dL): 1 point R - Respiratory Rate ≥30/min: 1 point B - BP <90 systolic or <60 diastolic: 1 point 65 - Age ≥65: 1 point Score Interpretation: 0-1: Low risk → Outpatient 2: Moderate → Short hospital stay or supervised outpatient 3-5: High → Hospitalize, consider ICU if ≥4 For your patient: Confusion +1, RR 28 (not ≥30) 0, BUN 28 (>20) +1, age 70 +1 = Score 3 → HOSPITALIZE PSI (PORT Score): Better for risk-stratifying low-risk patients; less practical at bedside due to 20 variables ICU Admission Criteria (IDSA/ATS - 2 or more minor OR 1 major): Major criteria: - Septic shock requiring vasopressors - Respiratory failure requiring mechanical ventilation Minor criteria: - RR ≥30/min - PaO2/FiO2 ≤250 - Multilobar infiltrates - Confusion - BUN ≥20 mg/dL - WBC <4000 cells/μL - Platelets <100,000 - Temperature <36°C - Hypotension requiring aggressive fluids For your patient: Confusion + SpO2 90% + RR 28 = at least 2-3 minor criteria → CONSIDER ICU ADMISSION Empiric antibiotics for CAP hospitalized: Beta-lactam + Macrolide OR Respiratory fluoroquinolone (monotherapy)