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A case of acute motor sensory axonal neuropathy presenting reversible conduction block
Dongah Lee,Hyung Chan Kim,Kang Min Park,Jinse Park,Sam Yeol Ha,Sung Eun Kim,Byung In Lee,김종국,Byeola Yoon,Kyong Jin Shin 대한임상신경생리학회 2018 Annals of Clinical Neurophysiology Vol.20 No.1
Reversible conduction block (RCB) was rare in patients with acute motor sensory axonal neuropathy (AMSAN). A-46-year-old man presented with paresthesia, weakness, diplopia, and dysarthria. Nerve conduction study (NCS) exhibited axonal changes with conduction block in motor and sensory nerves. His symptoms were rapidly progressed and recovered. Conduction block was disappeared in the follow-up NCS performed after 2 weeks. The AMSAN case with RCB showed rapid progress and rapid recovery of clinical symptoms as acute motor axonal neuropathy patients with RCB.
A case of acute motor sensory axonal neuropathy presenting reversible conduction block
Lee, Dongah,Kim, Hyung Chan,Park, Kang Min,Park, Jinse,Ha, Sam Yeol,Kim, Sung Eun,Lee, Byung In,Kim, Jong Kuk,Yoon, Byeola,Shin, Kyong Jin The Korean Society of Clinical Neurophysiology 2018 Annals of Clinical Neurophysiology Vol.20 No.1
Reversible conduction block (RCB) was rare in patients with acute motor sensory axonal neuropathy (AMSAN). A-46-year-old man presented with paresthesia, weakness, diplopia, and dysarthria. Nerve conduction study (NCS) exhibited axonal changes with conduction block in motor and sensory nerves. His symptoms were rapidly progressed and recovered. Conduction block was disappeared in the follow-up NCS performed after 2 weeks. The AMSAN case with RCB showed rapid progress and rapid recovery of clinical symptoms as acute motor axonal neuropathy patients with RCB.
Selective removal of heavy metal ions by disulfide linked polymer networks
Ko, Dongah,Lee, Joo Sung,Patel, Hasmukh A.,Jakobsen, Mogens H.,Hwang, Yuhoon,Yavuz, Cafer T.,Hansen, Hans Chr. Bruun,Andersen, Henrik R. Elsevier 2017 Journal of hazardous materials Vol.332 No.-
<P><B>Abstract</B></P> <P>Heavy metal contaminated surface water is one of the oldest pollution problems, which is critical to ecosystems and human health. We devised disulfide linked polymer networks and employed as a sorbent for removing heavy metal ions from contaminated water. Although the polymer network material has a moderate surface area, it demonstrated cadmium removal efficiency equivalent to highly porous activated carbon while it showed 16 times faster sorption kinetics compared to activated carbon, owing to the high affinity of cadmium towards disulfide and thiol functionality in the polymer network. The metal sorption mechanism on polymer network was studied by sorption kinetics, effect of pH, and metal complexation. We observed that the metal ions–copper, cadmium, and zinc showed high binding affinity in polymer network, even in the presence of competing cations like calcium in water.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Disulfide/thiol polymer networks are promising as sorbent for heavy metals. </LI> <LI> Rapid sorption and high Langmuir affinity constant (a<SUB>L</SUB>) for stormwater treatment. </LI> <LI> Selective sorption for copper, cadmium, and zinc in the presence of calcium. </LI> <LI> Reusability likely due to structure stability of disulfide linked polymer networks. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Which articles have highly impacted research on genetic generalized epilepsy?
박봉수,Dongah Lee,Seongho Park,Kang Min Park 대한임상신경생리학회 2020 Annals of Clinical Neurophysiology Vol.22 No.2
Background: The purpose of this study was to identify the top-100 cited articles on genetic generalized epilepsy (GGE) published in journals that have made key contributions to the field of epilepsy. Methods: We searched the Web of Science website produced by Clarivate Analytics for articles on GGE, and sorted them according to the number of citations to identify the top-100 cited articles. We then manually reviewed the contents of the top-100 cited articles, which were designated as “citation classics”. Results: The top-100 cited articles were published in 27 journals, with the largest proportion appearing in Epilepsia (19 articles). The articles originated from institutions in 17 countries, with 31 articles from the USA. The institution associated with the largest numbers of articles in the field of GGE was the University of Melbourne, Australia (9 articles). Panayiotopoulos C. P. was the first author of three articles, and was listed most frequently in the GGE citation classics. The publication years were concentrated in the 2000s, when 56 articles were published. The most-common study topics were genetics (35 articles) and neuroimaging (17 articles). Conclusions: This study has identified the top-100 cited articles on GGE. These citation classics represent the landmark articles on GGE, and they provide useful insights into international research leaders and the research trends in the field.
Mammillary Body Atrophy in Temporal Lobe Epilepsy With Hippocampal Sclerosis
조규호,Ho-Joon Lee,Dongah Lee,박강민 대한신경과학회 2022 Journal of Clinical Neurology Vol.18 No.6
Background and Purpose We aimed to determine 1) the frequency of mammillary body (MB) atrophy in patients with temporal lobe epilepsy (TLE) and hippocampal sclerosis (HS), 2)the clinical significance of MB atrophy, and 3) the association between MB atrophy andvolume changes in other subcortical limbic structures. Methods We enrolled 69 patients with pathologically confirmed TLE with HS, who underwent a standard anterior temporal lobectomy, as well as 40 healthy controls. We used the FreeSurfer deep-learning tool of U-Net to obtain the volumes of the subcortical limbic structures, including the MB, hypothalamus, basal forebrain, septal nuclei, fornix, and nucleus accumbens. MB atrophy was considered to be present when the MB volume was decreased relative to the healthy controls. Results MB atrophy was present in 18 (26.1%) of the 69 patients with TLE and HS. Among the clinical characteristics, the mean age at seizure onset was higher (25.5 vs. 15.9 years, p= 0.027) and the median duration of epilepsy was shorter (149 vs. 295 months, p=0.003) in patients with than without MB atrophy. The basal forebrain (0.0185% vs. 0.0221%, p=0.004) and septal nuclei (0.0062% vs. 0.0075%, p=0.003) in the ipsilateral hemisphere of HS were smaller in the patients with MB atrophy. Conclusions We observed ipsilateral MB atrophy in about one-quarter of patients with TLE and HS. The severity of subcortical limbic structure abnormalities was greater in patients without MB atrophy. These findings suggest that MB atrophy in TLE with HS is not rare, but it has little clinical significance.