BACKGROUND: Angiopoietin-2 (Ang-2) is considered a proinflammatory mediator promoting vascular leakage. Its participation in the inflammatory process following multiple injuries was investigated. METHODS: Blood was sampled on consecutive days from 54 patients with multiple injuries and six healthy volunteers. Ang-2 was estimated in serum by an enzyme immunoassay. RESULTS: From the enrolled patients, 10 did not develop any complication; 17 developed systemic inflammatory response syndrome (SIRS); 16 developed sepsis and 11 severe sepsis. Among those who did not develop any complication, all survived. Ang-2 was increased on days 4 and 7 of follow-up in patients with SIRS. Ang-2 was highly increased upon advent of sepsis and of severe sepsis. Patients with serum levels below 15,200 pg/ml survived longer compared to those with levels above 15,200 pg/ml (p=0.015). OR for death with serum Ang-2 above 15,200 pg/ml was 4.00 (p=0.037). CONCLUSIONS: Serum levels of Ang-2 in multi-trauma patients are increased upon advent of septic complications and they are connected with bad prognosis. Its exact role in the process of multiple trauma remains to be defined.
BACKGROUND:Angiopoietin-2 (Ang-2) is considered a proinflammatory mediator promoting vascular leakage. Its participation in the inflammatory process following multiple injuries was investigated. METHODS: Blood was sampled on consecutive days from 54 patients with multiple injuries and six healthy volunteers. Ang-2 was estimated in serum by an enzyme immunoassay. RESULTS: From the enrolled patients, 10 did not develop any complication; 17 developed systemic inflammatory response syndrome (SIRS); 16 developed sepsis and 11 severe sepsis. Among those who did not develop any complication, all survived. Ang-2 was increased on days 4 and 7 of follow-up in patients with SIRS. Ang-2 was highly increased upon advent of sepsis and of severe sepsis. Patients with serum levels below 15,200 pg/ml survived longer compared to those with levels above 15,200 pg/ml (p=0.015). OR for death with serum Ang-2 above 15,200 pg/ml was 4.00 (p=0.037). CONCLUSIONS: Serum levels of Ang-2 in multi-traumapatients are increased upon advent of septic complications and they are connected with bad prognosis. Its exact role in the process of multiple trauma remains to be defined.
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