This study aimed to verify the effects of propofol for treatment on emergence agitation (EA) after sevoflurane anesthesia in pediatric strabismus surgery.
Sevoflurane with rapid anesthetic induction and emergence, hemodynamic stability, and nonirritating airway properties, has acquired widespread acceptance in children. However, sevoflurane has been reported to be associated with emergence agitation in children, with a reported incidence of up to 80%. In severe case, it cause injury to the child or to the surgical site and lead to the accidental removal of surgical dressings and intravenous catheters. In case of intense agitation with high risk of self-injury, pharmacologic intervention seems reasonable. Pharmacologic treatment of emergence agitation relies on the administration of IV sedative agents (IV midazolam 0.1 mg/kg12 or propofol 0.5 or 1 mg/kg) or opioid agents (IV fentanyl 1 or 2 mcg/kg). However, these treatments are empirical and were extrapolated from pharmacologic preventive studies performed at the end of surgery or from personal experience. To the investigators knowledge, there is no risk of recurrence of EA after a first episode. Consequently, EA is not per se a factor of increased duration of PACU (post-anaesthesia care unit ) stay, but sedative or opioid agents administered postoperatively to alleviate it might prolong this stay. Therefore, the investigators design a study to confirm statistically effect of propofol for treatment on emergence agitation after sevoflurane anesthesia in pediatric strabismus surgery through PAED scale. Furthermore duration of PACU stay is checked after propofol administration.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
100
When severe emergence agitation(PAED \> 13) is occurred, Pharmacologic treatment of emergence agitation relies on the administration of IV propofol 0.8 or 1 mg/kg.
Korea University Medical Center, Anam hospital
Seoul, Seongbuk-gu, South Korea
Change of Emergent Adverse Events [Safety and Tolerability]
After anesthetic emergence, investigator, nurse and attending anesthesiologist check the PAED scale every 5min, up to 2 hours until discharge from PACU. If checked PAED scale is 14 or more, attending anesthesiologist administers 1% propofol 0.8\~1.0mg/kg(sedative dose). Then they check PAED scale every 5min after the arousal from sedative state until the discharge from PACU.
Time frame: From just after extubation until the discharge from PACU, assessed up to 2 hours.
Duration of PACU stay
The investigator check the duration of PACU stay, defined as the interval from the time of arrival of PACU to the time of discharge from PACU, if sadisfacted to discharge criteria score(from Aldrete JA. J Clin Anesth 1995; 7:89-91), a score 9 or more is required for discharge.
Time frame: From the arrival of the PACU to discharge from the PACU, assessed an average of 1hour
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