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Sleep Induction in Pediatric EEG Recordings: Chloral Hydrate Versus Melatonin and Hydoxyzine
Yiğithan Güzin1, Irmak Erdoğan1, Mügen Baykan1
1Department of Pediatric Neurology, Tepecik Training and Research Hospital, University of Health Sciences, Izmir, Turkey.
Insights
Chloral hydrate effectively induced sleep in pediatric patients undergoing electroencephalography (EEG), reducing motion artifacts and awakenings. This agent proved more beneficial than hydroxyzine or melatonin for sleep induction during EEG recordings.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Neurophysiology
Background:
- Electroencephalography (EEG) recording in children often requires sedation due to compliance issues.
- Behavioral training is not always feasible for young patients needing EEG.
Purpose of the Study:
- To evaluate the impact of common sleep-inducing agents on sleep transition, architecture, and movement artifacts during pediatric EEG.
- To compare the efficacy of hydroxyzine, chloral hydrate, and melatonin for sedation in pediatric EEG.
Main Methods:
- Retrospective analysis of sleep EEG recordings from 88 patients (ages 4-18) between 2021-2022.
- Exclusion of patients with new or previous epilepsy diagnoses.
- Analysis of sedation agents used (hydroxyzine, chloral hydrate, melatonin) in non-sleeping patients.
Main Results:
- Chloral hydrate administration was associated with longer sleep duration and fewer motion artifacts and awakenings compared to other agents.
- Hydroxyzine was used in 14.8%, chloral hydrate in 2.8%, and melatonin in 20% of non-sleeping patients.
- Overall, 88 patients were analyzed, with a mean age of 10.6 years.
Conclusions:
- Chloral hydrate demonstrated the highest efficacy in inducing sleep for pediatric EEG recordings.
- Further prospective studies are recommended for epilepsy patients and those under 4 years.
- Careful consideration of potential complications is advised for all sedative agents used in pediatric EEG.
Purpose:
Electroencephalography (EEG) recording in pediatric patients is difficult because of patient compliance, and children who are unsuitable for behavioral training usually require sedation for EEG recordings. The aim of this study was to examine the effects of agents commonly used in daily practice for sleep induction on sleep transition, sleep architecture, and frequency of movement artifacts on EEG recordings.
Methods:
A retrospective analysis was made of the demographic data and sleep EEG recordings of patients who underwent sleep EEG because of suspected seizure between 2021 and 2022. The study included patients aged 4 to 18 years, and patients with a new or previous diagnosis of epilepsy were excluded from the study.
Results:
Evaluation was made of 88 patients, comprising 35 (39.8%) girls and 53 (60.2%) boys with a mean age of 10.6 ± 4.3 years. In the analysis of the patients who did not sleep at all during the EEG recording, the drugs administered to the patients for sedation were observed to be hydroxyzine in 4 (14.8%) patients, chloral hydrate in 1 (2.8%) patient, and melatonin in 5 (20%) patients. Sleep duration was seen to be longer and the rates of motion artifacts and awakening during filming were lower in the patients treated with chloral hydrate.
Conclusions:
The results of this study showed that chloral hydrate was the most effective drug for inducing sleep. There is a need for further similar prospective studies to be performed on patients diagnosed with epilepsy and those aged <4 years. Possible complications should be considered before using each agent for sleep induction.
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