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Clinical Trial Summary

Sevoflurane with its rapid 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%.

The purpose of this study is to verify that the prophylactic use of midazolam, which is a GABA A receptor inhibitor, given five minutes before the end of strabismus surgery reduces the incidence of emergence agitation after sevoflurane anesthesia in children. Simultaneously, this study aims to find out the proper dose of midazolam with minimum disturbance to patient's emergence time.


Clinical Trial Description

Sevoflurane is associated with a high incidence of emergence agitation in children. The etiology of emergence agitation is unclear. Some studies proposed that emergence agitation was related to a variable rate of neurologic recovery rate in different brain areas and immaturity of neurons. Inhalation anesthetics have been known to exert transient paradoxical excitatory effects in both animals and human patients, especially in children. The gamma(γ)-aminobutyric acid (GABA)A receptor is the target depressant effect site of most anesthetic drugs including sevoflurane. Midazolam acts on the benzodiazepine binding site of GABAA receptors and results in inhibitory effects on the central nervous system. The effect of midazolam premedication, as well as midazolam administration at the end of surgery, on suppressing emergence agitation has been studied. However, the effect of midazolam on emergence agitation is still controversial. This study aims to figure out the effect of midazolam at the end of surgery on emergence agitation during the recovery period, and find out the proper dose of midazolam with minimum disturbance to patient's emergence time. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01680471
Study type Interventional
Source Korea University Anam Hospital
Contact
Status Completed
Phase N/A
Start date July 2012
Completion date November 2012

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