Pediatric research · 2015
Association of brain injury and neonatal cytokine response during therapeutic hypothermia in newborns with hypoxic-ischemic encephalopathy.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Orrock Janet E, Panchapakesan Karuna, Vezina Gilbert, Chang Taeun, Harris Kari, Wang Yunfei, Knoblach Susan, Massaro An N
Аннотация
BACKGROUND: Cytokines have been proposed as mediators of neonatal brain injury via neuroinflammatory pathways triggered by hypoxia-ischemia. Limited data are available on cytokine profiles in larger cohorts of newborns with hypoxic-ischemic encephalopathy (HIE) undergoing therapeutic hypothermia (TH).
METHODS: Serum cytokines interleukin (IL)-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-13, tumor necrosis factor-α, and interferon-γ were measured in newborns with HIE at 24 and 72 h of TH. Differences between infants with favorable (survivors with mild/no magnetic resonance imaging (MRI) injury) vs. adverse outcome (death or moderate/severe MRI injury) were compared using mixed models to adjust for covariates.
RESULTS: Data from 36 term newborns with HIE (favorable outcome: n = 20, adverse outcome: n = 16) were evaluated. Cytokines IL-1β, IL-2, IL-6, IL-8, IL-10, and IL-13 were elevated in the adverse relative to favorable outcome group at 24 h. IL-6 remained significantly elevated in the adverse outcome group at 72 h. IL-6 and IL-10 remained significantly associated with outcome group after controlling for covariates.
CONCLUSION: Inflammatory cytokines are elevated in HIE newborns with brain injury by MRI. In particular, IL-6 and IL-10 were associated with adverse outcomes after controlling for baseline characteristics and severity of presentation. These data suggest that cytokine response may identify infants in need of additional neuroprotective interventions.
METHODS: Serum cytokines interleukin (IL)-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-13, tumor necrosis factor-α, and interferon-γ were measured in newborns with HIE at 24 and 72 h of TH. Differences between infants with favorable (survivors with mild/no magnetic resonance imaging (MRI) injury) vs. adverse outcome (death or moderate/severe MRI injury) were compared using mixed models to adjust for covariates.
RESULTS: Data from 36 term newborns with HIE (favorable outcome: n = 20, adverse outcome: n = 16) were evaluated. Cytokines IL-1β, IL-2, IL-6, IL-8, IL-10, and IL-13 were elevated in the adverse relative to favorable outcome group at 24 h. IL-6 remained significantly elevated in the adverse outcome group at 72 h. IL-6 and IL-10 remained significantly associated with outcome group after controlling for covariates.
CONCLUSION: Inflammatory cytokines are elevated in HIE newborns with brain injury by MRI. In particular, IL-6 and IL-10 were associated with adverse outcomes after controlling for baseline characteristics and severity of presentation. These data suggest that cytokine response may identify infants in need of additional neuroprotective interventions.