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Abstract
Although recent studies indicated young children are at risk for increased perioperative hemorrhage after open heart operations, the associations between patient age, blood loss and blood product transfusions have not been fully defined in children.Perioperative blood loss and blood product transfusion data were recorded for 414 consecutive children undergoing open heart procedures. The children were in the following age groups: 1 month or younger, group 1; older than 1 month to 12 months, group 2; older than 1 year to 5 years, group 3; and older than 5 years, group 4.Postoperative blood loss and blood product transfusions were inversely related to age and differed significantly between the four age groups. Multiple preoperative and intraoperative factors that possibly influence hemostasis also differed significantly between age groups. Median units transfused within 72 hours differed significantly with age (p < 0.0001): group 1, 8 units (range, 1 to 19 units); group 2, 6 units (range, 0 to 21 units); group 3, 2 units (range, 0 to 23 units); and group 4, 0 units (range, 0 to 38 units).Blood loss and transfusions vary inversely with age. Per kilogram of body weight, neonates bled more and received more donor products than any other age group.
View details for Web of Science ID 000076166100045
View details for PubMedID 9768944