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Updated: Mar 20, 2026
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Published on: June 11, 2020
Changes in cerebral hemodynamics during a sleep-deprived video-electroencephalogram in healthy children
Bingwei Peng1, Jialing Li1, Jing Wang1
1Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China.
Insights
Sleep deprivation during EEG monitoring in children alters cerebral blood flow. Light sleep increases flow, while deep sleep reduces it, indicating distinct hemodynamic changes in the developing brain.
Area of Science:
- Neuroscience
- Pediatric Neurology
- Sleep Medicine
Background:
- Cerebral hemodynamic changes during sleep are not fully understood in children.
- Sleep deprivation can impact brain function and physiology.
- Video-electroencephalogram (VEEG) is a standard diagnostic tool in pediatric neurology.
Purpose of the Study:
- To investigate cerebral hemodynamic alterations in healthy children during sleep-deprived video-electroencephalogram (SD-VEEG) monitoring.
- To analyze changes in cerebral blood flow velocity (CBFV) and cerebrovascular resistance during different sleep stages.
- To understand the neurovascular coupling during SD-VEEG in the developing brain.
Main Methods:
- Forty-two healthy children (5-14 years) underwent SD-VEEG.
- Transcranial Doppler ultrasound (TCD) was used for real-time TCD-VEEG monitoring.
- Cerebral blood flow velocity (CBFV), pulsatility index (PI), and resistance index (RI) were analyzed during awake, light sleep (N1-N2), and deep sleep (N3) stages.
Main Results:
- Non-rapid eye movement sleep was associated with increased CBFV in the middle and anterior cerebral arteries during light sleep (P=0.0001).
- Systolic CBFV was reduced in all analyzed arteries during deep sleep compared to light sleep (P=0.0001).
- A sustained increase in pulsatility index was observed during deep sleep (P<0.05).
Conclusions:
- Distinct cerebral hemodynamic alterations occur during SD-VEEG in children.
- These findings highlight changes in neurovascular coupling during sleep stages under sleep deprivation.
- Further research can explore the impact of these hemodynamic changes on cognition in children.
Abstract:
This study investigates the cerebral hemodynamic changes during a routine sleep-deprived video-electroencephalogram (SD-VEEG) in healthy children. Forty-two children with normal intelligence were examined. The children were 5-14 years of age, and their electroencephalograms (EEGs) were within the normal range. Each subject was deprived of a routine night's sleep and then examined during non-drug-induced sleep in the daytime. The awake and sleep stages were evaluated using EEGs, according to the American Academy of Sleep Medicine. Stable transcranial Doppler ultrasound (TCD) tracings through real-time TCD-VEEG monitoring were recorded. The mean systolic cerebral blood flow velocity (CBFV), diastolic CBFV, pulsatility index and resistance index of each artery were analyzed for 30 s per stage. A multivariate analysis of variance was conducted to compare the hemodynamic parameters for the awake stage versus light sleep and deep sleep stages. Non-rapid eye movement sleep was associated with an increased CBFV in the middle (164.38 ± 27.28) and anterior cerebral artery (131.81 ± 21.55) during light sleep (stages N1 and N2) (P = 0.0001), a reduced systolic CBFV in all vascular arteries (LMCA, 138.73 ± 20.64; LACA, 108.33 ± 22.33; LPCA, 83.9 ± 18.6) during deep sleep (stage N3) compared with light sleep (P = 0.0001), and a sustained increased PI (LMCA, 0.92 ± 0.13; LACA, 0.964 ± 0.18) during deep sleep (P < 0.05). These findings indicate distinct cerebral hemodynamic alterations during SD-VEEG in children. This study utilized real-time TCD-VEEG monitoring during SD-EEG to further investigate neurovascular coupling in interictal epileptic discharges and understand its potential influence on cognition in the developing brain.
