期刊
EUROPEAN RESPIRATORY JOURNAL
卷 35, 期 3, 页码 614-618出版社
EUROPEAN RESPIRATORY SOC JOURNALS LTD
DOI: 10.1183/09031936.00052709
关键词
Cytokines; immunology (infection); innate immune response; pneumonia; Streptococcus pneumoniae
资金
- Fondo Investigaciones Sanitarias
- Ministerio de Sanidad y Consumo, Madrid, Spain [G03/103]
The aim of our study was to analyse the impact of time from onset of symptoms on the systemic cytokine concentrations in patients with pneumococcal pneumonia. Adults with severe pneumococcal pneumonia were prospectively included. At admission, vital signs, time from onset of pneumonia symptoms and circulating levels of C-reactive protein (CRP), serum amyloid A (SAA), tumour necrosis factor (TNF)-alpha, and interleukin (IL)-1 beta, IL-6, IL-8, IL-10 and IL-1ra were recorded. 32 patients were included; 13 patients had <48 h of evolution and 19 patients had been sick for >48 h. The group with a longer time of evolution presented higher plasmatic levels of TNF-alpha (19.1+/-8.5 versus 35.5+/-26 pg.mL(-1)), fibrinogen (6+/-1.8 versus 9+/-2); CRP (130+/-85 versus 327+/-131) and SAA (678+/-509 versus 984+/-391). Concentrations of TNF-alpha were associated with the presence of bacteraemia, initial blood pressure <90 mmHg and with a lower oxygen saturation at admission. Likewise, TNF-alpha levels were correlated with concentrations of IL-1 beta (r=0.49), IL-6 (r=0.41) and IL-8 (r=0.40). In pneumococcal pneumonia, patients with a longer time of evolution presented with higher levels of pro-inflammatory cytokines and a higher expression of acute phase proteins, suggesting
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