Abstract P-486: SEDATIVE EFFECT OF BENZODIAZEPINE IS REDUCED IN DOWN SYNDROME PATIENTS AFTER PEDIATRIC HEART SURGERY. (June 2018) - Matsuishi, Y.; Sakuramoto, H.; Hoshino, H.; Nobutake, S.; Enomoto, Y.; Kido, T.; Mathis, B.J.; Iida, I.; Hiramatsu, Y.; Inoue, Y.