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Intensive Care Med. 2003 Nov;29(11):1981-8. Epub 2003 Sep 10.

A 7-year study of severe hospital-acquired pneumonia requiring ICU admission.

Author information

1
Critical Care Center, Hospital Sabadell, Institut Universitari Parc Tauli-Universitat Autónoma de Barcelona, Parc Taulí s/n, 08208, Barcelona, Spain. jvalles@cspt.es

Abstract

OBJECTIVE:

To examine the characteristics, prognostic factors, and outcome of patients with severe hospital-acquired pneumonia admitted to the ICU.

DESIGN AND SETTING:

Prospective observational clinical study in two medical-surgical ICUs with 16 and 20 beds

PATIENTS AND PARTICIPANTS:

During a 7-year period all hospitalized patients requiring admission to either ICU for hospital-acquired pneumonia were followed up.

MEASUREMENTS AND RESULTS:

We diagnosed 96 episodes of severe hospital-acquired pneumonia, and in 67 cases a causal diagnosis was made. Most episodes were late-onset pneumonia. Gram-negative micro-organisms were isolated in 51% of episodes diagnosed, and Pseudomonas aeruginosa was the most frequent pathogen isolated (24%). Clearly significant variations happened between hospitals, particularly affecting the incidence of Aspergillus spp. and Legionella pneumophila. Forty-nine patients developed septic shock (51%). Fifty-one patients died (53%). Aspergillosis and pneumonia due to P. aeruginosa were associated with the highest mortality. Septic shock (OR: 14.27) and chronic obstructive pulmonary disease (OR: 6.11) were independently associated with a poor prognosis.

CONCLUSIONS:

Patients with severe hospital-acquired pneumonia admitted to the ICU present high mortality. The presence of septic shock and chronic obstructive pulmonary disease in conjunction with specific microorganisms are associated with a poor prognosis. Local epidemiological data combined with a patient-based approach may allow a more accurate therapy decision making.

PMID:
13680109
DOI:
10.1007/s00134-003-2008-4
[Indexed for MEDLINE]

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