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{\u0022basePath\u0022:\u0022\\\/\u0022,\u0022pathPrefix\u0022:\u0022\u0022,\u0022highwire\u0022:{\u0022markup\u0022:[{\u0022requested\u0022:\u0022full-text\u0022,\u0022variant\u0022:\u0022full-text\u0022,\u0022view\u0022:\u0022full\u0022,\u0022pisa\u0022:\u0022spmdc;9\\\/1\\\/27\u0022},{\u0022requested\u0022:\u0022long\u0022,\u0022variant\u0022:\u0022full-text\u0022,\u0022view\u0022:\u0022full\u0022,\u0022pisa\u0022:\u0022spmdc;9\\\/1\\\/27\u0022}],\u0022ac\u0022:{\u0022spmdc;9\\\/1\\\/27\u0022:{\u0022access\u0022:{\u0022reprint\u0022:true,\u0022full\u0022:true},\u0022pisa_id\u0022:\u0022spmdc;9\\\/1\\\/27\u0022,\u0022atom_uri\u0022:\u0022\u0022,\u0022jcode\u0022:\u0022spmdc\u0022}}},\u0022googleanalytics\u0022:{\u0022trackOutbound\u0022:1,\u0022trackMailto\u0022:1,\u0022trackDownload\u0022:1,\u0022trackDownloadExtensions\u0022:\u00227z|aac|arc|arj|asf|asx|avi|bin|csv|doc(x|m)?|dot(x|m)?|exe|flv|gif|gz|gzip|hqx|jar|jpe?g|js|mp(2|3|4|e?g)|mov(ie)?|msi|msp|pdf|phps|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|sea|sit|tar|tgz|torrent|txt|wav|wma|wmv|wpd|xls(x|m|b)?|xlt(x|m)|xlam|xml|z|zip\u0022,\u0022trackUrlFragments\u0022:1},\u0022ajaxPageState\u0022:{\u0022js\u0022:{\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/jquery.cluetip.js\u0022:1,\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/lib\\\/jquery.hoverIntent.js\u0022:1,\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/lib\\\/jquery.bgiframe.min.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/highwire\\\/highwire\\\/plugins\\\/highwire_markup_process\\\/js\\\/highwire_at_symbol.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/highwire\\\/highwire\\\/plugins\\\/highwire_markup_process\\\/js\\\/highwire_article_reference_popup.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/contrib\\\/google_analytics\\\/googleanalytics.js\u0022:1,\u00220\u0022:1}}});\n\/\/--\u003E\u003C!]]\u003E\n\u003C\/script\u003E\n\u003Clink type=\u0022text\/css\u0022 rel=\u0022stylesheet\u0022 href=\u0022\/\/d282kpwvnogo5m.cloudfront.net\/sites\/default\/files\/advagg_css\/css__ce2QY63WIanKyr8eSq7eavr1XQRRmFD6ZSmwpyJi8lM__zXwFqpqmxrZOXXcd_TpBQpjuELbmIP9wBR5UuTDWAO4__YJWWMMdfCJuAFm5cUEp88OsodhO3ZA-2lzRfoBsSlk4.css\u0022 media=\u0022all\u0022 \/\u003E\n\u003Clink rel=\u0027stylesheet\u0027 type=\u0027text\/css\u0027 href=\u0027\/sites\/all\/modules\/contrib\/panels\/plugins\/layouts\/onecol\/onecol.css\u0027 \/\u003E\u003C\/head\u003E\u003Cbody\u003E\u003Cdiv class=\u0022panels-ajax-tab-panel panels-ajax-tab-panel-sageoa-tab-art\u0022\u003E\u003Cdiv class=\u0022panel-display panel-1col clearfix\u0022 \u003E\n  \u003Cdiv class=\u0022panel-panel panel-col\u0022\u003E\n    \u003Cdiv\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-markup\u0022 \u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022highwire-markup\u0022\u003E\u003Cdiv xmlns=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022 id=\u0022content-block-markup\u0022 xmlns:xhtml=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022\u003E\u003Cdiv class=\u0022article fulltext-view \u0022\u003E\u003Cspan class=\u0022highwire-journal-article-marker-start\u0022\u003E\u003C\/span\u003E\u003Cdiv class=\u0022section abstract\u0022 id=\u0022abstract-1\u0022\u003E\u003Ch2\u003ESummary\u003C\/h2\u003E\n            \u003Cp id=\u0022p-1\u0022\u003ECerebral arteriopathy is the strongest predictor of recurrent arterial ischemic stroke (AIS) in childhood [Fullerton HJ et al. \u003Cem\u003EPediatrics\u003C\/em\u003E 2007]. This article discusses results from the International Pediatric Stroke Study [IPSS], which suggest a role for infection in the pathogenesis of cerebral arteriopathy. Also discussed are the results of a retrospective study that showed that circulating endothelial cells can be used to track cerebral arteriopathy-associated vascular injury and to differentiate progressive versus nonprogressive disease in children with AIS.\u003C\/p\u003E\n         \u003C\/div\u003E\u003Cul class=\u0022kwd-group\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003EPrevention \u0026amp; Screening\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003EIschemia\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003EOtitis Media\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ECerebrovascular Disease\u003C\/li\u003E\u003C\/ul\u003E\u003Cp id=\u0022p-2\u0022\u003ECerebral arteriopathy is the strongest predictor of recurrent arterial ischemic stroke (AIS) in childhood [Fullerton HJ et al. \u003Cem\u003EPediatrics\u003C\/em\u003E 2007]. Catherine Amlie-Lefond, MD, Medical College of Wisconsin, Milwaukee, WI, presented results from the International Pediatric Stroke Study (IPSS), which suggest a role for infection in the pathogenesis of cerebral arteriopathy.\u003C\/p\u003E\u003Cp id=\u0022p-3\u0022\u003EThe objective of the IPSS was to determine the prevalence\/predictors of arteriopathy and, in particular, focal cerebral arteriopathy (FCA) in childhood. The study population included subjects aged 29 days to 19 years with AIS. FCA was defined as stenosis on vascular imaging that otherwise was not classified as dissection, moyamoya, sickle cell arteriopathy, vasculitis, or another specific diagnosis.\u003C\/p\u003E\u003Cp id=\u0022p-4\u0022\u003EOf 667 subjects, 525 had known vascular imaging results; 277 of those had an arteriopathy. FCA\/transient cerebral arteriopathy (25%), moyamoya (22%), and arterial dissection (20%) accounted for two-thirds of all subjects.\u003C\/p\u003E\u003Cp id=\u0022p-5\u0022\u003EIndependent predictors of arteriopathy were age 5 to 9 years (OR, 2.04; 95% CI, 1.25 to 3.34; p=0.004), sickle cell disease (OR, 3.06; 95% CI, 1.27 to 7.39; p=0.013), and upper respiratory infection (URI) (OR, 2.36; 95% CI, 1.05 to 5.27; p=0.037; \u003Ca id=\u0022xref-table-wrap-1-1\u0022 class=\u0022xref-table\u0022 href=\u0022#T1\u0022\u003ETable 1\u003C\/a\u003E). Predictors of FCA were determined by comparing the 69 subjects with FCA with the 456 without FCA. Recent URI was the only independent predictor of FCA (OR, 2.82; 95% CI, 1.29 to 6.22; p=0.01).\u003C\/p\u003E\u003Cdiv id=\u0022T1\u0022 class=\u0022table pos-float\u0022\u003E\u003Cdiv class=\u0022table-inline\u0022\u003E\u003Cdiv class=\u0022callout\u0022\u003E\u003Cspan\u003EView this table:\u003C\/span\u003E\u003Cul class=\u0022callout-links\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022\/\u0022 class=\u0022table-expand-inline\u0022 data-table-url=\u0022\/highwire\/markup\/11437\/expansion?postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media%2Chighwire_embed\u0026amp;table-expand-inline=1\u0022 html=\u00221\u0022 fragment=\u0022#\u0022 external=\u00221\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView inline\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022\/highwire\/markup\/11437\/expansion?width=1000\u0026amp;height=500\u0026amp;iframe=true\u0026amp;postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media\u0022 class=\u0022colorbox colorbox-load table-expand-popup\u0022 rel=\u0022gallery-fragment-tables\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView popup\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/11437\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cdiv class=\u0022table-caption\u0022\u003E\u003Cspan class=\u0022table-label\u0022\u003ETable 1.\u003C\/span\u003E \n            \u003Cp id=\u0022p-6\u0022 class=\u0022first-child\u0022\u003EIndependent Predictors of Arteriopathy.\u003C\/p\u003E\n         \u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cp id=\u0022p-7\u0022\u003EAdditional support for infection as a risk factor for AIS comes from the Kaiser Pediatric Stroke Study (KPSS). Nancy K. Hills, PhD, University of California, San Francisco, CA, presented data from a nested case control study in a subset of patients from the KPSS, showing that minor infection is a significant risk factor for childhood stroke (32% of subjects with AIS vs 8% of controls; OR, 7.9; 95% CI, 3.7 to 16.8; p\u0026lt;0.0001).\u003C\/p\u003E\u003Cp id=\u0022p-8\u0022\u003EChildren with AIS had a variety of infections, and those in the controls were mostly acute otitis media and URI. Subjects with AIS also had a significantly (p\u0026lt;0.001) higher median number of medical visits for infection during the 2 years prior to stroke onset.\u003C\/p\u003E\u003Cp id=\u0022p-9\u0022\u003EDespina Eleftheriou, PhD, Institute of Child Health, London, UK, presented the results of a retrospective study that showed that circulating endothelial cells (CECs) can be used to track cerebral arteriopathy-associated vascular injury and to differentiate progressive versus nonprogressive disease in children with AIS.\u003C\/p\u003E\u003Cp id=\u0022p-10\u0022\u003EThe study included subjects aged \u0026gt;28 days with radiological confirmation of AIS. Progressive disease (n=7) was defined as recurrent clinical strokes \u22656 months after initial presentation and\/or progressive arterial or parenchymal disease. Nonprogressive disease (n=18) was defined as no clinical or radiological recurrence over \u22656 months of follow-up.\u003C\/p\u003E\u003Cp id=\u0022p-11\u0022\u003EThe median concentration of CECs in the progressive group was 232 CECs\/ml versus \u0026lt;50 CECs\/ml in the nonprogressive group.\u003C\/p\u003E\u003Cp id=\u0022p-12\u0022\u003EAntithrombotic treatment of neonates with cerebral sinovenous thrombosis (CSVT) is inconsistent. Lori C. Jordan, MD, Johns Hopkins University School of Medicine, Baltimore, MD, presented the results of a study that aimed to determine frequencies\/predictors of antithrombotic treatment. The study was based on a subset of data from the IPSS and included 84 subjects with isolated CSVT.\u003C\/p\u003E\u003Cp id=\u0022p-13\u0022\u003EUnivariate analysis showed only 2 significant predictors of nontreatment: thrombus that was limited to the deep venous system (p=0.05) and presence in the United States (OR, 0.2; 95% CI, 0.1 to 0.5; p=0.001). After multivariate analysis, only geographic location (US versus non-US) remained significant. Dr. Jordan suggested that the high rate of nontreatment of neonatal CSVT may reflect uncertainty with regard to safety and the lack of evidence either for or against treatment.\u003C\/p\u003E\u003Cp id=\u0022p-14\u0022\u003ELauren A. Beslow, MD, University of Pennsylvania, Philadelphia, PA, presented results that showed that poor outcome in subjects with intracerebral hemorrhage (ICH) is associated with ICH \u0026gt;2% brain volume (RR, 3.9; 95% CI, 1.1 to 13.7; p=0.02) and early altered mental status (RR, 3.5; 95% CI, 1.3 to 9.9; p=0.01).\u003C\/p\u003E\u003Cp id=\u0022p-15\u0022\u003EThis prospective study included 26 subjects (median age 11.3 years; 50% female). Twenty of the hemorrhages were parenchymal (mostly in the cerebral lobes); 6 were subarachnoid. Mean hemorrhage volume was 1.9% of total brain volume. Subjects were followed for a median of 7 months. Although death was rare, residual deficits\u2014mostly cognitive problems\u2014 affected \u0026gt;50% of subjects.\u003C\/p\u003E\u003Cp id=\u0022p-16\u0022\u003ECoriene E. Catsman, MD, Erasmus Medical Center, Rotterdam, The Netherlands, presented results from a prospective study in subjects (aged 1 month to 17.1 years) with AIS, showing that poor outcome (modified Rankin Scale [mRS] score 3 or 4) is associated with right MCA stroke, fever at presentation, and younger age at onset.\u003C\/p\u003E\u003Cp id=\u0022p-17\u0022\u003EThe study was conducted in 76 children (46% male; median age 2.5 years). Follow-up data (median 2.6 years) were available for 66 subjects. Symptoms at presentation were similar to those seen in the literature. Risk factors included infection (39.5% of patients), arteriopathy (34.2%), cardiac disease (26.3%), prothrombotic disease (16.4%), cancer-related disease (6.6%), metabolic disease (6.5%), and others (2.6%).\u003C\/p\u003E\u003Cp id=\u0022p-18\u0022\u003EApproximately 66% of the children had only 1 risk factor; 26% had \u0026gt;1 risk factor, and 8% had no risk factors. The most common impairments were motor (80%), cognition\/behavior (\u223c50%), aphasia (24%), and epilepsy (20%). On the mRS, 46% had mRS 1\/2 and 54% had mRS 3. Eight patients died (mRS 4). Subjects \u0026lt;2 years at onset had lower scores on physical functioning, and those \u0026gt;6 years at onset had more cognitive deficits. Almost 50% of survivors were severely disabled (mRS \u22653); mortality was 11%.\u003C\/p\u003E\u003Cul class=\u0022copyright-statement\u0022\u003E\u003Cli class=\u0022fn\u0022 id=\u0022copyright-statement-1\u0022\u003E\u00a9 2009 MD Conference Express\u003C\/li\u003E\u003C\/ul\u003E\u003Cspan class=\u0022highwire-journal-article-marker-end\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Cspan id=\u0022related-urls\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Ca href=\u0022http:\/\/mdc.sagepub.com\/content\/9\/1\/27.abstract\u0022 class=\u0022hw-link hw-link-article-abstract\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView Summary\u003C\/a\u003E\u003C\/div\u003E  \u003C\/div\u003E\n\n  \n  \u003C\/div\u003E\n\u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E\n\u003C\/div\u003E\u003Cscript type=\u0022text\/javascript\u0022 src=\u0022http:\/\/mdc.sagepub.com\/sites\/all\/modules\/highwire\/highwire\/plugins\/highwire_markup_process\/js\/highwire_openurl.js?nzmlkq\u0022\u003E\u003C\/script\u003E\n\u003Cscript type=\u0022text\/javascript\u0022 src=\u0022http:\/\/mdc.sagepub.com\/sites\/all\/modules\/highwire\/highwire\/plugins\/highwire_markup_process\/js\/highwire_tables.js?nzmlkq\u0022\u003E\u003C\/script\u003E\n\u003C\/body\u003E\u003C\/html\u003E"}