Systemic inflammatory pattern of patients with community-acquired pneumonia with and without COPD.
Chest
; 143(4): 1009-1017, 2013 Apr.
Article
em En
| MEDLINE
| ID: mdl-23187314
ABSTRACT
BACKGROUND:
Several clinical studies have evaluated the role of COPD in patients with community acquired pneumonia (CAP). We investigated the systemic inflammatory response of patients with CAP (CAP 1 COPD) and patients without associated COPD (CAP only).METHODS:
Clinical, microbiologic, and immunologic data were collected from 367 prospective patients on admission to hospital during a 3-year period. Comparative analyses were performed between patients with CAP 1 COPD (n 5 117) and those with CAP only (n 5 250) and between patients with and without domiciliary use of inhaled corticosteroids (ICSs) and oral corticosteroids.RESULTS:
Detailed characteristics of clinical severity and prognosis (mortality on hospitalization and at 30 and 90 days) were similar between the CAP 1 COPD and CAP-only groups. The readmission rate and the frequency of previous pneumonia were higher in the group of patients with CAP 1 COPD. On day 1 (admission to hospital), patients with CAP 1 COPD had significantly lower serum levels of tumor necrosis factor- a , IL-1, and IL-6 compared with the CAP-only group; levels of the remaining inflammatory biomarkers (C-reactive protein, procalcitonin, IL-8, and IL-10) were similar at days 1 and 3. The exclusion of patients with domiciliary use of ICS and oral corticosteroids confirmed lower levels of TNF- a on day 1 in patients with CAP 1 COPD. Finally, lower levels of IL-6 were found only among those patients with COPD who were currently using ICS.CONCLUSIONS:
Our prospective study demonstrates a different, disease-specific, early inflammatory pattern between patients with CAP with and without associated COPD. These findings are not completely corticosteroid mediated.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Pneumonia
/
Infecções Comunitárias Adquiridas
/
Doença Pulmonar Obstrutiva Crônica
/
Inflamação
Tipo de estudo:
Diagnostic_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Ano de publicação:
2013
Tipo de documento:
Article