Validation of IDSA/ATS Guidelines for ICU Admission in Adults Over 80 Years Old With Community-Acquired Pneumonia

• Catia Cilloniz ^[1] ; Miquel Ferrer ^[1] ; Juan M. Pericàs ^[1] ; Leyre Serrano ^[3] ; Raúl Méndez ^[4] ; Albert Gabarrús ^[1] ; Héctor José Peroni ^[2] ; Luis Alberto Ruiz ^[3] ; Rosario Menéndez ^[4] ; Rafael Zalacain ^[3] ; Antoni Torres ^[1]
  1. [1] Hospital Clinic Barcelona

     Hospital Clinic Barcelona

     Barcelona, España

     
  2. [2] Hospital Italiano de Buenos Aires

     Hospital Italiano de Buenos Aires

     Argentina

     
  3. [3] Servicio de Neumología, Hospital Universitario Cruces, Barakaldo, Bizkaia, España
  4. [4] Servicio de Neumología, Hospital La Fe de Valencia, Valencia, España

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• Localización: Archivos de bronconeumología: Organo oficial de la Sociedad Española de Neumología y Cirugía Torácica SEPAR y la Asociación Latinoamericana de Tórax ( ALAT ), ISSN 0300-2896, Vol. 59, Nº. 1 (January), 2023, págs. 19-26
• Idioma: inglés
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• Resumen

  • Introduction The 2007 IDSA/ATS guidelines for community-acquired pneumonia (CAP) recommended intensive care unit (ICU) admission for adults meeting severe CAP criteria. We aimed to validate the accuracy of IDSA/ATS criteria in patients ≥ 80 years old (very elderly patients, VEP) with CAP.

    Methods Prospective cohort study of VEP with CAP admitted to three Spanish hospitals between 1996 and 2019. We compared patients who did and did not require ICU admission. We also assessed factors independently associated with ICU admission, as well as the accuracy of severe CAP criteria for ICU admission and mortality. Major criteria include septic shock and invasive mechanical ventilation while minor criteria encompass other variables related to hemodynamics and respiratory insufficiency as well as level of consciousness, renal function, blood parameters indicative of sepsis and body temperature.

    Results Of the 2006 VEP with CAP, 519 (26%) met severe CAP criteria, while 204 (10%) required ICU admission. Concordance between severe CAP criteria and the decision to admit the patient to the ICU occurred in 1591 (79%) cases (k coefficient, 0.33), with a sensitivity of 75% and specificity of 80% in predicting ICU admission. All patients with invasive mechanical ventilation received care in ICUs, while 45 (44%) patients with septic shock—previously stabilized in the emergency room—did not. Thirty-day mortality of ICU-admitted patients with septic shock was lower than that of patients in wards (30% vs. 60%, p = 0.013). In contrast, patients with severe CAP and only minor criteria had similar mortality.

    Conclusions IDSA/ATS criteria for severe CAP predict ICU admission in VEP moderately well. While patients with septic shock and invasive mechanical ventilation warrant ICU admission, severe CAP without major severity criteria in VEP may be acceptably manageable in wards.