Neonates undergoing SCT surgery had a high rate of blood transfusion (59%), replacing on average over a quarter of their blood volume, and a high composite adverse outcome rate (39%). Predictors of blood product transfusion include immature tumors, gestational age less than 37 weeks, larger median tumor volume, greater tumor volume-to-weight ratio, higher intraoperative estimated blood loss, and longer time under anesthesia. Predictors of clinically significant postoperative events within 30 days of surgery include Altman type 2 tumors, gestational age less than 37 weeks, and longer anesthesia times.
McManus et al. (Tue,) studied this question.