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Applications of advanced signal processing and machine learning in the neonatal hypoxic-ischemic electroencephalography 被引量:5
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作者 Hamid Abbasi Charles P.Unsworth 《Neural Regeneration Research》 SCIE CAS CSCD 2020年第2期222-231,共10页
Perinatal hypoxic-ischemic-encephalopathy significantly contributes to neonatal death and life-long disability such as cerebral palsy. Advances in signal processing and machine learning have provided the research comm... Perinatal hypoxic-ischemic-encephalopathy significantly contributes to neonatal death and life-long disability such as cerebral palsy. Advances in signal processing and machine learning have provided the research community with an opportunity to develop automated real-time identification techniques to detect the signs of hypoxic-ischemic-encephalopathy in larger electroencephalography/amplitude-integrated electroencephalography data sets more easily. This review details the recent achievements, performed by a number of prominent research groups across the world, in the automatic identification and classification of hypoxic-ischemic epileptiform neonatal seizures using advanced signal processing and machine learning techniques. This review also addresses the clinical challenges that current automated techniques face in order to be fully utilized by clinicians, and highlights the importance of upgrading the current clinical bedside sampling frequencies to higher sampling rates in order to provide better hypoxic-ischemic biomarker detection frameworks. Additionally, the article highlights that current clinical automated epileptiform detection strategies for human neonates have been only concerned with seizure detection after the therapeutic latent phase of injury. Whereas recent animal studies have demonstrated that the latent phase of opportunity is critically important for early diagnosis of hypoxic-ischemic-encephalopathy electroencephalography biomarkers and although difficult, detection strategies could utilize biomarkers in the latent phase to also predict the onset of future seizures. 展开更多
关键词 advanced signal processing AEEG automatic detection classification clinical EEG fetal hie hypoxic-ischemic encephalopathy machine learning neonatal SEIZURE real-time identification review
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核磁共振信号强度对比在HIE中的诊断价值 被引量:3
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作者 尤嘉 何喜宁 +3 位作者 刘俐 张洁 王静 芦红茹 《中国妇幼健康研究》 2010年第3期300-302,共3页
目的 通过对足月缺氧缺血性脑病患儿和正常足月儿头颅常规核磁共振检查结果 的分析,探讨后外侧豆状核与内囊后肢在T1加权上的信号强度改变对新生儿缺氧缺血性脑病的诊断价值.方法 选择西安交通大学医学院第一附属医院新生儿科收治的足... 目的 通过对足月缺氧缺血性脑病患儿和正常足月儿头颅常规核磁共振检查结果 的分析,探讨后外侧豆状核与内囊后肢在T1加权上的信号强度改变对新生儿缺氧缺血性脑病的诊断价值.方法 选择西安交通大学医学院第一附属医院新生儿科收治的足月新生儿缺氧缺血性脑病患者20例作为实验组,同期出生的正常足月新生儿7例作为对照组,两组新生儿均在其出生后3~12天内行常规核磁共振检查.结果 后外侧豆状核的信号强度高于或等于内囊后肢的信号强度,实验组与对照组之间的比较差异有显著的统计学意义(χ^2=8.703,P〈0.01).结论 头颅核磁共振检查中后外侧豆状核的信号强度高于或等于内囊后肢的信号强度时,对缺氧缺血性脑病的诊断具有重要意义. 展开更多
关键词 足月儿 新生儿缺氧缺血性脑病 核磁共振 信号强度
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Electroencephalography studies of hypoxic ischemia in fetal and neonatal animal models 被引量:2
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作者 Hamid Abbasi Charles P.Unsworth 《Neural Regeneration Research》 SCIE CAS CSCD 2020年第5期828-837,共10页
Alongside clinical achievements,experiments conducted on animal models (including primate or non-primate) have been effective in the understanding of various pathophysiological aspects of perinatal hypoxic/ ischemic e... Alongside clinical achievements,experiments conducted on animal models (including primate or non-primate) have been effective in the understanding of various pathophysiological aspects of perinatal hypoxic/ ischemic encephalopathy (HIE).Due to the reasonably fair degree of flexibility with experiments,most of the research around HIE in the literature has been largely concerned with the neurodevelopmental outcome or how the frequency and duration of HI seizures could relate to the severity of perinatal brain injury,following HI insult.This survey concentrates on how EEG experimental studies using asphyxiated animal models (in rodents,piglets,sheep and non-human primate monkeys) provide a unique opportunity to examine from the exact time of HI event to help gain insights into HIE where human studies become difficult. 展开更多
关键词 animal models automatic detection clinical EEG FETAL hie hypoxic-ischemic encephalopathy neonatAL non-human PRIMATES review SEIZURE
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新生儿缺血缺氧性脑病的低场MRI诊断 被引量:7
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作者 朱世军 张伟 《现代医用影像学》 2010年第2期85-87,共3页
目的:探讨低场MRI对新生儿缺血缺氧性脑病的诊断价值。材料与方法:回顾性分析43例临床诊断为HIE的新生儿的低场MRI表现。结果:所有患儿均有不同程度的脑损害,其中广泛性脑水肿14例,颅内出血6例,皮质下及脑室旁白质损害21例,单纯白质水肿... 目的:探讨低场MRI对新生儿缺血缺氧性脑病的诊断价值。材料与方法:回顾性分析43例临床诊断为HIE的新生儿的低场MRI表现。结果:所有患儿均有不同程度的脑损害,其中广泛性脑水肿14例,颅内出血6例,皮质下及脑室旁白质损害21例,单纯白质水肿8例,丘脑、基底节区和脑干背侧损害13例。结论:低场MRI对新生儿HIE的诊断具有较高的特异性、敏感性。 展开更多
关键词 新生儿 缺血缺氧性脑病 低场磁共振
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磁共振弥散加权成像在新生儿缺氧缺血性脑病的诊断价值 被引量:9
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作者 卢陈英 吕桂坚 +2 位作者 纪建松 徐民 刘建平 《医学影像学杂志》 2010年第10期1422-1424,共3页
目的:以磁共振弥散加权成像(DWI)技术并与常规MR T1WI、T2WI结合应用,探讨DWI对新生儿缺氧缺血性脑病(HIE)的早期诊断价值。方法:对我院2004年1月~2010年1月临床确诊缺氧缺血性脑病的新生儿62例(4h^15天)进行DWI和常规T1WI、T2WI检查。... 目的:以磁共振弥散加权成像(DWI)技术并与常规MR T1WI、T2WI结合应用,探讨DWI对新生儿缺氧缺血性脑病(HIE)的早期诊断价值。方法:对我院2004年1月~2010年1月临床确诊缺氧缺血性脑病的新生儿62例(4h^15天)进行DWI和常规T1WI、T2WI检查。结果:DWI出现高信号病灶59例,T1WI信号异常32例,T2WI信号异常13例。DWI高信号病灶多见于大脑皮层、侧脑室周围白质区及室管膜下,T1WI高信号以脑室周围白质区多见。出血性病变,在T1WI呈高信号,而DWI表现为无信号。结论:DWI适用于早期HIE,T1WI及T2WI在亚急性期、恢复期或随访应用显示病灶较好。 展开更多
关键词 缺氧缺血性脑病 新生儿 磁共振成像
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