Children's Mercy physician Brian Carter, a professor of pediatric neonatology, said Juliana definitely suffered loss of oxygen and damage to her brain from the bleed.
Kansas City couple's baby born prematurely after car crash →
"The sport has come a long, long way in recent history to make it safer and safer," Carter said. "There's quite a lot of progress that's been made. There are still a few areas where we need to understand implications of all of the safety advances."
Sprint car safety procedures in question →