Diagnostic Yield of Five Minutes Compared to Three Minutes Hyperventilation During Electroencephalography in Children.

IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Clinical EEG and Neuroscience Pub Date : 2023-09-01 DOI:10.1177/15500594211058266
Nivetha Vasudevan, Ranjith Kumar Manokaran, Saji James
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Abstract

Purpose: To investigate whether hyperventilation (HV) for 5 minutes increases the diagnostic yield of electroencephalography (EEG) compared to 3 minutes HV and to determine whether performing HV for 5 minutes is feasible and safe in children. Methods: Data were evaluated from 579 children aged less than 18 years, referred to EEG for epilepsy evaluation. Occurrence of seizures, HV induced interictal epileptiform discharges precipitation and potentiation and adverse events if any were noted during the first 3 minutes and last 2 minutes of HV separately. Results: 398 children (68.7%) completed 5 minutes HV. Seizures were precipitated during the first 3 minutes of HV in 2 children, and during the last 2 minutes in one more child. Inter-ictal EEG abnormalities were precipitated in the first 3 minutes of HV in 31 children, and during the last 2 min in 4 more children. All 398 children completed HV during the last 2 minutes successfully and no adverse events occurred during the last 2 minutes of HV. Conclusion: 33.33% of seizures and 11.5% of inter-ictal EEG abnormalities triggered by HV occurred during the last 2 min of HV. This finding supports the utility of prolonged hyperventilation for 5 minutes. Prolonged HV for 5 minutes increases the diagnostic yield of EEG in paediatric population and it is safe and feasible.

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儿童脑电图中5分钟与3分钟过度通气的诊断率比较。
目的:探讨5分钟的过度通气(HV)与3分钟的过度通气(HV)相比是否能提高脑电图(EEG)的诊断率,并确定5分钟的过度通气对儿童是否可行和安全。方法:对579例18岁以下儿童进行数据评估,参照脑电图进行癫痫评估。在HV发作的前3分钟和最后2分钟分别记录癫痫发作的发生、HV引起的间歇癫痫样放电的沉淀和增强以及不良事件(如果有的话)。结果:398例患儿(68.7%)完成5分钟HV。2例儿童在感染HV的前3分钟发作,另1例儿童在感染后2分钟发作。31例患儿在HV发作前3分钟出现脑电图间期异常,4例患儿在发作后2分钟出现脑电图间期异常。所有398名儿童在最后2分钟内成功完成了HV,在最后2分钟内没有发生不良事件。结论:33.33%的癫痫发作和11.5%的间期脑电图异常发生在HV发作的最后2min。这一发现支持延长5分钟过度通气的效用。延长HV 5分钟可提高小儿脑电图的诊断率,是安全可行的。
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来源期刊
Clinical EEG and Neuroscience
Clinical EEG and Neuroscience 医学-临床神经学
CiteScore
5.20
自引率
5.00%
发文量
66
审稿时长
>12 weeks
期刊介绍: Clinical EEG and Neuroscience conveys clinically relevant research and development in electroencephalography and neuroscience. Original articles on any aspect of clinical neurophysiology or related work in allied fields are invited for publication.
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