Reno-protective Effect of Brain Cooling in Newborn With Hypoxia

Infants in cooled group will be fitted a cooling cap (Olympic Medical Cool Care System, Olympic Medical) around the head for 72 h. infants will be nursed under a radiant overhead heater, which is servo-controlled to the infant's abdominal skin temperature and adjusted to maintain the rectal temperature at 33.5-34.5ºC. At the end of the 72 h cooling period, the infants will be slowly rewarmed at no more than 0•5ºC /h until their temperature become within normal temperature range (36.5-37.5ºC).