Emergence agitation is a common problem in children during recovery from sevoflurane anesthesia. Pain is considered as a cause of postoperative emergence agitation and compounding factor of agitation assessment in children. The purpose of this study was to investigate the effect of scalp nerve block on the emergence agitation in children undergoing nevus surgery during sevoflurane anesthesia.
Forty-four children, 1-7 years old, undergoing nevus surgery on head were enrolled. Anesthesia was induced with thiopental sodium and rocuronium, and maintained with sevoflurane. Patients were randomly assigned two groups: the control group received IV remifentanil 1 μg/kg, and the block group received scalp nerve block with 0.25% ropivacaine 2-3 ml. Time to tracheal extubation, recovery time, hemodynamic change, FLACC score, and Watcha behavior scale for emergence agitation were assessed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
44
0.25% ropivacaine 2-3 ml was injected around the scalp nerves that are located on the head.
Remifentanil 1 μg/kg was injected before skin incision.
Anesthesia was titrated with sevoflurane, maintaining mean arterial pressure and heart rate within 20% baseline value.
Ajou University Hospital
Suwon, Gyeongki-do, South Korea
change of Watcha behavior scale for emergence agitation (4 point)
Time frame: from immediately after PACU arrival to 10 min, 20 min, and 30 min after arrival
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