| Midkine, a Multifunctional Cytokine, in Patients with Severe Sepsis and Septic Shock: A Pilot Study. | |
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MedLine Citation:
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PMID: 21192283 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE:: To evaluate whether severe sepsis/septic shock are related to alterations in midkine concentrations, to identify disease-related factors associated with these alterations, and to initially appraise whether midkine might serve as a biomarker in sepsis. DESIGN:: Prospective observational cross-sectional study with 5-day follow-up. Circulating midkine was measured (ELISA) in 38 septic (13 with severe sepsis; 25 with septic shock), 82 active inflammatory bowel disease (IBD; 26 with systemic inflammatory response syndrome, SIRS) patients, and 87 healthy subjects. RESULTS:: Midkine significantly increased along with a sequence: health-inflammation (IBD)-systemic inflammation (IBD-SIRS)-severe sepsis/septic shock. High midkine levels (>1000 ng/L) were found in 63% of septic and in 19% of IBD-SIRS patients while extremely high concentrations (>5000 ng/L) in 16% vs. 4%. Although not different at admission, midkine gradually decreased in severe sepsis and remained high in shock. Similarly, persistently high midkine was observed in patients with cardiovascular insufficiency (CVI) and in mechanically ventilated as compared to normalizing levels in patients without CVI and not requiring ventilation. The differences in devised simple rates (Δ5th-1st) were significant in all these cases. Accordingly, admission midkine was higher in patients with metabolic acidosis. Concerning pathogen, Gram-positive infections were associated with the highest midkine levels. CONCLUSIONS:: Severe sepsis and septic shock are associated with midkine elevation, substantially more pronounced than in inflammation, even systemic, revealing a new potential mediator of deregulation of neutrophil migration. Sepsis-related global hypoxia seems to contribute to midkine elevation. Our results substantiate further research on possible midkine application as sepsis biomarker: in differentiating SIRS from sepsis, identifying Gram-positive sepsis and septic patients at risk of CVI and shock. |
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Authors:
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Malgorzata Krzystek-Korpacka; Magdalena Mierzchala; Katarzyna Neubauer; Grazyna Durek; Andrzej Gamian |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-12-9 |
Journal Detail:
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Title: Shock (Augusta, Ga.) Volume: - ISSN: 1540-0514 ISO Abbreviation: - Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9421564 Medline TA: Shock Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Dept. of Medical Biochemistry, Wroclaw Medical University, Wroclaw, Poland 2Dept. of Anesthesiology and Intensive Care, Wroclaw Medical University, Wroclaw, Poland 3Dept. of Gastroenterology and Hepatology, Wroclaw Medical University, Wroclaw, Poland 4Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland 5Wroclaw Research Center EIT+, Wroclaw, Poland. |
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