Document Detail

Interleukin-6 and tumor necrosis factor-alpha levels in plasma and cerebrospinal fluid of term newborn infants with hypoxic-ischemic encephalopathy.
MedLine Citation:
PMID:  14615734     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To determine plasma and cerebrospinal fluid (CSF) levels of interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha) in hypoxic-ischemic encephalopathy (HIE). STUDY DESIGN: A controlled, prospective study of 20 control neonates, 19 term newborn infants presenting with sepsis and no meningitis, and 19 asphyxiated term newborn infants. Blood and CSF samples were collected within 48 hours of birth for IL-6 and TNF-alpha determinations. RESULTS: Median plasma IL-6 was similar in sepsis and asphyxia but significantly higher than in control neonates. Median plasma TNF-alpha was similar in asphyxia and control neonates but significantly lower than in sepsis. In asphyxiated newborn infants, median CSF IL-6 and TNF-alpha were significantly higher than in sepsis and control neonates. Median CSF IL-6 was significantly higher in sepsis than in control neonates. Median CSF TNF-alpha was similar in newborn infants with sepsis and control neonates. IL-6 and TNF-alpha CSF/plasma ratios were similar in newborn infants with sepsis and control neonates but lower than in asphyxiated newborn infants. CONCLUSIONS: Term newborn infants with HIE have elevated CSF IL-6 and TNF-alpha levels. Plasma IL-6 is increased in asphyxia and sepsis. Plasma TNF-alpha is increased only in sepsis. High IL-6 and TNF-alpha CSF/plasma ratios in asphyxia suggest that these cytokines are produced in the brain of term newborn infants with HIE.
Rita C Silveira; Renato S Procianoy
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Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of pediatrics     Volume:  143     ISSN:  0022-3476     ISO Abbreviation:  J. Pediatr.     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-11-17     Completed Date:  2004-01-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  625-9     Citation Subset:  AIM; IM    
Newborn Section, Department of Pediatrics, Universidade Federal do Rio Grande do Sul and Hospital de Clnicas de Porto Alegre, Porto Alegre, Brazil.
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MeSH Terms
Brain / metabolism
Hypoxia-Ischemia, Brain / diagnosis,  etiology,  metabolism*
Infant, Newborn
Interleukin-6 / blood*,  cerebrospinal fluid*
Prospective Studies
Sepsis / complications
Severity of Illness Index
Tumor Necrosis Factor-alpha / cerebrospinal fluid,  metabolism*
Reg. No./Substance:
0/Interleukin-6; 0/Tumor Necrosis Factor-alpha

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