| Acute encephalopathy in children with Dravet syndrome. | |
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MedLine Citation:
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PMID: 22092154 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Purpose: The occurrence of acute encephalopathy in children with Dravet syndrome has been reported sporadically. This study clarified the features of acute encephalopathy in children with Dravet syndrome. Methods: Through the mailing list of the Annual Zao Conference on Pediatric Neurology, we collected 15 patients with clinically diagnosed Dravet syndrome, who had acute encephalopathy, defined as a condition with decreased consciousness with or without other neurologic symptoms, such as seizures, lasting for >24 h in association with infectious symptoms. Key Findings: There were seven boys and eight girls. A mutation of the SCN1A gene was present in nine (truncation in six and missense in three). The frequency of seizures during the 3 months before the onset of acute encephalopathy was monthly in seven children and none in three. The median age at the onset of acute encephalopathy was 44 months (range 8-184 months). All children had status epilepticus followed by coma as the initial manifestation. Two different distributions of brain lesions were observed on diffusion-weighted images during the acute phase: cerebral cortex-dominant lesions with or without deep gray matter involvement and subcortical-dominant lesions. Four children died; nine survived with severe sequelae, and two had moderate sequelae. Significance: We must be aware that acute encephalopathy is an important complication in children with Dravet syndrome, and associated with fulminant clinical manifestations and a poor outcome. |
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Authors:
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Akihisa Okumura; Mitsugu Uematsu; George Imataka; Manabu Tanaka; Tohru Okanishi; Tetsuo Kubota; Akira Sudo; Jun Tohyama; Megumi Tsuji; Iori Ohmori; Misako Naiki; Ayako Hiraiwa-Sofue; Hitoshi Sato; Shinji Saitoh; Toshiaki Shimizu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-16 |
Journal Detail:
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Title: Epilepsia Volume: - ISSN: 1528-1167 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2983306R Medline TA: Epilepsia Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Wiley Periodicals, Inc. © 2011 International League Against Epilepsy. |
Affiliation:
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Department of Pediatrics, Juntendo University Faculty of Medicine, Tokyo, Japan Department of Pediatrics, Tohoku University School of Medicine, Sendai, Japan Department of Pediatrics, Dokkyo Medical University, Mibu, Japan Division of Neurology, Saitama Children's Medical Center, Saitama, Japan Department of Pediatrics, Seirei-Mikatahara General Hospital, Hamamatsu, Japan Department of Pediatrics, Anjo Kosei Hospital, Anjo, Japan Department of Pediatrics, Sapporo City General Hospital, Sapporo, Japan Department of Pediatrics, Nishi-Niigata Chuo National Hospital, Niigata, Japan Division of Neurology, Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama, Japan Department of Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan Department of Pediatrics, Kanazawa Medical University School of Medicine, Uchinada, Japan Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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