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Clinical Trial Summary

Emergence agitation, defined as restlessness, disorientation, arousal, and/or inconsolable crying, is a common phenomenon seen in the early phase of recovery from general anesthesia; this may cause respiratory depression, nausea and vomiting, as well as an increase in blood pressure, heart rate and myocardial oxygen consumption. Although its pathogenesis remains unclear, ENT (ear, nose and throat) surgical procedures have been reported to have a higher incidence of agitation in both adults and children. In recent years, low-flow inhalation anesthesia has been widely used in adult anesthesia practice. The aim of this study is to compare the effects of low flow anesthesia and normal flow anesthesia on emergence agitation.


Clinical Trial Description

Emergence agitation, defined as restlessness, disorientation, arousal, and/or inconsolable crying, is a common phenomenon seen in the early phase of recovery from general anesthesia; this may cause respiratory depression, nausea and vomiting, as well as an increase in blood pressure, heart rate and myocardial oxygen consumption. Hypoxia can lead to serious complications such as aspiration pneumonia, bleeding or reoperation. Although its pathogenesis remains unclear, ENT (ear, nose and throat) surgical procedures have been reported to have a higher incidence of agitation in both adults and children. In recent years, low-flow inhalation anesthesia has been widely used in adult anesthesia practice. Low flow anesthesia has many advantages; the consumption of inhalation agents is reduced, the temperature and humidity of the airways are maintained, the cost of anesthesia and pollution caused by atmospheric waste gases are reduced. In addition, because the temperature and humidity of the tracheobronchial tree are preserved, respiratory functions and mucociliary activities are better preserved. In low-flow anesthesia, the concentration of inhaled anesthetics changes very slowly, and their concentration gradually decreases after the administration is terminated. Since the anesthetic concentration will slowly decrease in the low-flow group during termination of anesthesia, the concentration difference between the brain and lungs will be small. In addition, it is known that a longer period between discontinuation of the administration of anesthetic agents and extubation reduces emergence agitation. This seems possible with the low-flow anesthesia technique. The aim of this study is to compare the effects of low flow anesthesia and normal flow anesthesia on emergence agitation. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05601674
Study type Interventional
Source Inonu University
Contact
Status Completed
Phase N/A
Start date November 4, 2022
Completion date March 23, 2023

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