390: PREOPERATIVE BIOMARKERS ASSOCIATED WITH POOR OUTCOME AFTER NEONATAL CARDIAC SURGERY. (16th December 2021) - Gardner, Monique; Chen, Feng; Koterba, Natalka; Reddy, Isabel; Thompson, Jill; Mai, Anh; McGowan, Francis; Gaynor, William; Lacey, Simon; Yehya, Nadir