Lowering the body temperature of preterm infants (born at 33 to 35 weeks of pregnancy) with hypoxic ischemic encephalopathy (HIE)—a type of brain damage caused by oxygen loss—offers no benefits over standard care, according to a study. Previous studies of near-term and term infants (born after 36 weeks) with HIE had found that this cooling treatment, which lowers body temperature to about 92 degrees Fahrenheit, significantly reduced the risk of death or disability by age 18 months (corrected for prematurity).
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