PCPC scores at discharge were not related to levels of neuron-specific enolase (NSE) or brain-derived neurotropic factor (BDNF) in infants undergoing CPB surgery before 30 days, and neither were NSE and PCPC scores at 12 months postoperative in pediatric CPB surgery for CHD (29, 59). The gene discussed is BDNF; the disease is coronary artery disorder.