We prospectively compared the use of a great auricular nerve block versus IV morphine sulfate in a randomized double-blinded study in children undergoing tympanomastoid surgery. Analgesia was comparable between groups but nearly half the Block group never required additional analgesics and the number of vomiting events was nearly 66% less.

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Pediatric intraoperative transfusion therapy, particularly the approach to massive blood transfusion (blood loss > or =one blood volume) can be quite complex because of the unique relationship between the patient's blood volume and the volume of the individual blood product transfused. This paper is divided into two parts: part 1 presents an overview of the physiologic and hematologic differences between children and adults as well as an overview of the metabolic consequences of blood transfusions, risks of disease transmission, and blood compatibility issues.