• Hiroki Kakita, Mohamed Hamed Hussein, Shin Kato, Yasumasa Yamada, Yoshiaki Nagaya, Hayato Asai, Tatenobu Goto, Koichi Ito, Tokio Sugiura, Ghada Abdel-Hamid Daoud, Tetsuya Ito, Ineko Kato, and Hajime Togari.
• Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.
• J Crit Care. 2012 Oct 1;27(5):469-73.

PurposeThis retrospective case-control study aimed to examine the development of oxidative stress in asphyxiated infants delivered at more than 37 weeks of gestation.Material And MethodsThirty-seven neonates were stratified into 3 groups: the first group experienced hypothermia (n = 6); the second received hypothermia cooling cup treatment for 3 days, normothermia (n = 16); and the third was the control group (n = 15). Serum total hydroperoxide (TH), biological antioxidant potential, and oxidative stress index (OSI) (calculated as TH/biological antioxidant potential) were measured within 3 hours after birth.ResultsSerum TH and OSI levels gradually increased after birth in hypothermia and normothermia cases. At all time points, serum TH and OSI levels were higher in hypothermia and normothermia cases than in control cases. Serum TH and OSI levels were higher in normothermia cases than in hypothermia cases at days 3, 5, and 7.ConclusionThis study demonstrated that hypothermia attenuated the development of systemic oxidative stress in asphyxiated newborns.Copyright © 2012 Elsevier Inc. All rights reserved.

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