A term newborn is delivered after prolonged obstructed labor. Apgar scores are 2 at 1 minute and 4 at 5 minutes. At 3 hours of life, the baby is lethargic, hypotonic, has a weak suck reflex, and absent Moro reflex. Seizures begin at 5 hours. What is the most appropriate neuroprotective intervention?
A
Immediate high-dose corticosteroids
B
Therapeutic hypothermia initiated within 6 hours
C
Observation only because seizures are common in newborns
D
Oral anticonvulsants without supportive care