Til børn, der skal have by- pass- operation anbefales, at en injektion af 15 mg/ kg legemsvægt palivizumab gives, så snart patienten er stabil efter operation, så der opnås tilstrækkelig plasmaniveau af palivizumab.
For children undergoing cardiac bypass, it is recommended that a 15 mg/ kg of body weight injection of palivizumab be administered as soon as stable after surgery to ensure adequate palivizumab serum levels.