Comparative study of the effect of two different doses of dexmedetomidine to prevent emergence agitation in tonsillectomy in children aged 2 to 12 years old

Shahhosseini, Sedighe; Boldaji, Hossein Naderi; Shetabi, Hamidreza; Shafa, Amir

Comparative study of the effect of two different doses of dexmedetomidine to prevent emergence agitation in tonsillectomy in children aged 2 to 12 years old

Authors

¹ Department of Anesthesiology, School of Medicine, Imam Hossein Hospital, Isfahan University of Medical Sciences, Isfahan, Iran

² School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Background: Emergence agitation (EA) is one of the complications following anesthesia in pediatric surgery. Various drugs are used to prevent this complication, and one of them is dexmedetomidine. Choosing the right dose of this drug for the best efficiency is an important issue due to this complication.The main purpose of this study is to evaluate the prophylactic effect of intravenous dexmedetomidine in different doses in preventing EA after tonsillectomy in children.
Materials and Methods: Our study was a double-blind clinical trial performed on 75 children ASAI, II candidates for tonsillectomy. Patients were divided into three groups. The group 1 received a dose of 0.6 μg/kg per hour and group 2 received a dose of 0.3 μg/kg per hour and group 3 was the control group. Then vital signs and observational pain score (OPS) and pediatric anesthesia emergence delirium (PAEDS) criteria were measured in patients. The collected data were analyzed by using SPSS software version 23 and non-parametric tests such as Friedman, Mann-Whitney.
Results: According to the data analysis, mean blood pressure, mean heart rate, OPS and PAEDS score in group 1 were lower than other groups. Also, the average time of staying in recovery and extubation in group 1 was less than other groups.
Conclusion: A dose of 0.6 μg/kg dexmedetomidine has a better effect on reducing EA (emergence agitation) after pediatric tonsillectomy.

Keywords

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