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Inflammation-initiating illnesses, inflammation-related proteins, and cognitive impairment in extremely preterm

T Michael O'Shea1, Bhavesh Shah2, Elizabeth N Allred3

  • 1Division of Neonatology, Department of Pediatrics, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.

Brain, Behavior, and Immunity
|January 9, 2013
PubMed

Insights

Elevated inflammation markers in preterm infants

Area of Science:

  • Neonatal research
  • Biomarker discovery
  • Developmental neuroscience

Background:

  • Neonatal inflammation is a known risk factor for perinatal brain damage.
  • Early identification of cognitive impairment risk is crucial for preterm infants.

Purpose of the Study:

  • To determine if inflammation-related proteins in blood enhance risk prediction for impaired cognitive function.
  • To assess the combined predictive value of clinical inflammatory illnesses and protein biomarkers.

Main Methods:

  • Blood samples from 800 preterm infants (born <28 weeks gestation) analyzed for 25 inflammation proteins on days 1, 7, and 14.
  • Clinical data on bacteremia, necrotizing enterocolitis (NEC), and ventilation collected.
  • Cognitive function assessed at 2 years using the Bayley Mental Development Index (MDI).

Main Results:

  • Clinical factors like NEC and bacteremia combined with ventilation predicted elevated risk for MDI <55.
  • Persistently or recurrently elevated levels of CRP, SAA, IL-6, TNF-alpha, IL-8, MIP-1beta, ICAM-1, E-SEL, and IGFBP-1 provided additional risk information.
  • Biomarker data supplemented clinical data in predicting cognitive outcomes.

Conclusions:

  • Elevated blood inflammation protein concentrations offer valuable information for predicting impaired cognitive function.
  • Biomarkers augment clinical data, improving risk assessment for cognitive deficits in preterm infants.
  • This finding supports the use of inflammation markers for early intervention strategies.

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