{"id":"https://openalex.org/W2162298508","doi":"https://doi.org/10.3174/ajnr.a0859","title":"Contrast Extravasation on CT Predicts Mortality in Primary Intracerebral Hemorrhage","display_name":"Contrast Extravasation on CT Predicts Mortality in Primary Intracerebral Hemorrhage","publication_year":2007,"publication_date":"2007-12-07","ids":{"openalex":"https://openalex.org/W2162298508","doi":"https://doi.org/10.3174/ajnr.a0859","mag":"2162298508","pmid":"https://pubmed.ncbi.nlm.nih.gov/18065505","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/8118895"},"language":"en","primary_location":{"id":"doi:10.3174/ajnr.a0859","doi":"https://doi.org/10.3174/ajnr.a0859","is_oa":true,"landing_page_url":"https://doi.org/10.3174/ajnr.a0859","pdf_url":"http://www.ajnr.org/content/ajnr/29/3/520.full.pdf","source":{"id":"https://openalex.org/S101278519","display_name":"American Journal of Neuroradiology","issn_l":"0195-6108","issn":["0195-6108","1936-959X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316165","host_organization_name":"American Society of Neuroradiology","host_organization_lineage":["https://openalex.org/P4310316165"],"host_organization_lineage_names":["American Society of Neuroradiology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Neuroradiology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"http://www.ajnr.org/content/ajnr/29/3/520.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049194829","display_name":"J. Kim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Kim","raw_affiliation_strings":["Department of Radiology, Neuroradiology Section, University of California, San Francisco, San Francisco, CA 94143-0628, USA","Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Neuroradiology Section, University of California, San Francisco, San Francisco, CA 94143-0628, USA","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034661879","display_name":"Austin T. Smith","orcid":"https://orcid.org/0000-0003-1005-2616","observed_orcids":["https://orcid.org/0000-0003-1005-2616"]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Smith","raw_affiliation_strings":["Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010173440","display_name":"J. Claude Hemphill","orcid":"https://orcid.org/0000-0003-4019-7525","observed_orcids":["https://orcid.org/0000-0003-4019-7525"]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.C. Hemphill","raw_affiliation_strings":["Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077101946","display_name":"Wade S. Smith","orcid":"https://orcid.org/0000-0003-4174-8333","observed_orcids":["https://orcid.org/0000-0003-4174-8333"]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W.S. Smith","raw_affiliation_strings":["Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Y. Lu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. Lu","raw_affiliation_strings":["Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078949173","display_name":"William P. Dillon","orcid":"https://orcid.org/0000-0002-7222-4615","observed_orcids":["https://orcid.org/0000-0002-7222-4615"]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W.P. Dillon","raw_affiliation_strings":["Department of Radiology,","Departments of Radiology, Neuroradiology Section","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052087773","display_name":"Max Wintermark","orcid":"https://orcid.org/0000-0002-6726-3951","observed_orcids":["https://orcid.org/0000-0002-6726-3951"]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"M. Wintermark","raw_affiliation_strings":["Department of Radiology,","Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","Departments of Radiology, Neuroradiology Section","University of California, San Francisco, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology,","institution_ids":[]},{"raw_affiliation_string":"Neuroradiology Section, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628;","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"Departments of Radiology, Neuroradiology Section","institution_ids":[]},{"raw_affiliation_string":"University of California, San Francisco, San Francisco, Calif","institution_ids":["https://openalex.org/I180670191"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5052087773"],"corresponding_institution_ids":["https://openalex.org/I180670191"],"apc_list":null,"apc_paid":null,"fwci":6.6764,"has_fulltext":true,"cited_by_count":169,"citation_normalized_percentile":{"value":0.9685018,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"29","issue":"3","first_page":"520","last_page":"525"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11763","display_name":"Intracerebral and Subarachnoid Hemorrhage Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11763","display_name":"Intracerebral and Subarachnoid Hemorrhage Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10420","display_name":"Intracranial Aneurysms: Treatment and Complications","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10227","display_name":"Acute Ischemic Stroke Management","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/intracerebral-hemorrhage","display_name":"intracerebral hemorrhage","score":0.9800000190734863},{"id":"https://openalex.org/keywords/contrast-extravasation","display_name":"contrast extravasation","score":0.9929999709129333},{"id":"https://openalex.org/keywords/hematoma-expansion","display_name":"hematoma expansion","score":0.7940000295639038},{"id":"https://openalex.org/keywords/mortality-prediction","display_name":"mortality prediction","score":0.9700000286102295},{"id":"https://openalex.org/keywords/ct-angiography","display_name":"CT angiography","score":0.8420000076293945},{"id":"https://openalex.org/keywords/contrast-enhanced-computed-tomography","display_name":"contrast-enhanced CT","score":0.9760000109672546},{"id":"https://openalex.org/keywords/non-contrast-ct","display_name":"non-contrast CT","score":0.6349999904632568},{"id":"https://openalex.org/keywords/swirl-sign","display_name":"swirl sign","score":0.7390000224113464},{"id":"https://openalex.org/keywords/hematoma-size","display_name":"hematoma size","score":0.6570000052452087},{"id":"https://openalex.org/keywords/prognostic-factors","display_name":"prognostic factors","score":0.8410000205039978}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9524552822113037},{"id":"https://openalex.org/C2777094939","wikidata":"https://www.wikidata.org/wiki/Q1368943","display_name":"Intracerebral hemorrhage","level":3,"score":0.7576297521591187},{"id":"https://openalex.org/C2779540182","wikidata":"https://www.wikidata.org/wiki/Q1076345","display_name":"Extravasation","level":2,"score":0.6787467002868652},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.6190710067749023},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.4364911615848541},{"id":"https://openalex.org/C2992608659","wikidata":"https://www.wikidata.org/wiki/Q1368943","display_name":"Brain hemorrhage","level":3,"score":0.4115932881832123},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.2550809979438782},{"id":"https://openalex.org/C2777736543","wikidata":"https://www.wikidata.org/wiki/Q693442","display_name":"Subarachnoid hemorrhage","level":2,"score":0.18189841508865356},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.1668158769607544},{"id":"https://openalex.org/C12770488","wikidata":"https://www.wikidata.org/wiki/Q188449","display_name":"Neurosurgery","level":2,"score":0.08033615350723267},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002140","descriptor_name":"California","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D002543","descriptor_name":"Cerebral Hemorrhage","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D002543","descriptor_name":"Cerebral Hemorrhage","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":true},{"descriptor_ui":"D005119","descriptor_name":"Extravasation of Diagnostic and Therapeutic Materials","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D005119","descriptor_name":"Extravasation of Diagnostic and Therapeutic Materials","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015995","descriptor_name":"Prevalence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015996","descriptor_name":"Survival Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016019","descriptor_name":"Survival Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018570","descriptor_name":"Risk Assessment","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.3174/ajnr.a0859","doi":"https://doi.org/10.3174/ajnr.a0859","is_oa":true,"landing_page_url":"https://doi.org/10.3174/ajnr.a0859","pdf_url":"http://www.ajnr.org/content/ajnr/29/3/520.full.pdf","source":{"id":"https://openalex.org/S101278519","display_name":"American Journal of Neuroradiology","issn_l":"0195-6108","issn":["0195-6108","1936-959X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316165","host_organization_name":"American Society of Neuroradiology","host_organization_lineage":["https://openalex.org/P4310316165"],"host_organization_lineage_names":["American Society of Neuroradiology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Neuroradiology","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:8118895","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8118895","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AJNR Am J Neuroradiol","raw_type":"Text"},{"id":"pmid:18065505","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18065505","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AJNR. American journal of neuroradiology","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.3174/ajnr.a0859","doi":"https://doi.org/10.3174/ajnr.a0859","is_oa":true,"landing_page_url":"https://doi.org/10.3174/ajnr.a0859","pdf_url":"http://www.ajnr.org/content/ajnr/29/3/520.full.pdf","source":{"id":"https://openalex.org/S101278519","display_name":"American Journal of Neuroradiology","issn_l":"0195-6108","issn":["0195-6108","1936-959X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316165","host_organization_name":"American Society of Neuroradiology","host_organization_lineage":["https://openalex.org/P4310316165"],"host_organization_lineage_names":["American Society of Neuroradiology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Neuroradiology","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.98580002784729}],"sustainable_development_goals_aurora":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.8799999952316284}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2162298508.pdf","grobid_xml":"https://content.openalex.org/works/W2162298508.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1947113872","https://openalex.org/W1981194197","https://openalex.org/W1990074292","https://openalex.org/W2052524744","https://openalex.org/W2053254942","https://openalex.org/W2053568672","https://openalex.org/W2063003518","https://openalex.org/W2065550131","https://openalex.org/W2068405009","https://openalex.org/W2070507194","https://openalex.org/W2075825863","https://openalex.org/W2084213853","https://openalex.org/W2084298387","https://openalex.org/W2094585602","https://openalex.org/W2096068588","https://openalex.org/W2103798426","https://openalex.org/W2111768704","https://openalex.org/W2121451738","https://openalex.org/W2123815586","https://openalex.org/W2148534328","https://openalex.org/W2155070090","https://openalex.org/W2168905392","https://openalex.org/W2169988303","https://openalex.org/W4238103798","https://openalex.org/W4249987133"],"related_works":["https://openalex.org/W7100492249","https://openalex.org/W2075825863","https://openalex.org/W2162974493","https://openalex.org/W2133366015","https://openalex.org/W2101032787","https://openalex.org/W2131384369","https://openalex.org/W4249987133","https://openalex.org/W3038528574","https://openalex.org/W4415757362","https://openalex.org/W2166979501"],"abstract_inverted_index":{"BACKGROUND":[0],"AND":[1,58],"PURPOSE:":[2],"Recent":[3],"studies":[4],"of":[5,18,23,41,126,158,166,179,191,238],"intracerebral":[6],"hemorrhage":[7],"(ICH)":[8],"treatments":[9],"have":[10],"highlighted":[11],"the":[12,42,124,137,177,189,196],"need":[13],"to":[14,27,83,122],"identify":[15],"reliable":[16],"predictors":[17],"hematoma":[19,47,98,185,239,259],"expansion.":[20],"The":[21],"goal":[22],"this":[24],"study":[25],"was":[26,142,154,233],"determine":[28],"whether":[29],"contrast":[30,112,152,216,246],"extravasation":[31,153,180,217,227,247],"on":[32,160,168,181,194,218,228,241,248],"multisection":[33],"CT":[34,39,75,219,229,249],"angiography":[35],"(CTA)":[36],"and/or":[37],"contrast-enhanced":[38],"(CECT)":[40],"brain":[43],"is":[44],"associated":[45,208],"with":[46,54,62,209,252],"expansion":[48],"and":[49,68,94,100,108,115,128,163,200,203,258],"increased":[50,210],"mortality":[51,257],"in":[52,131,156,164,250],"patients":[53,61,159,167,251],"primary":[55,63,138,253],"ICH.":[56],"MATERIALS":[57],"METHODS:":[59],"All":[60],"ICH":[64,201,254],"who":[65],"underwent":[66],"CTA":[67,107,162],"CECT,":[69],"as":[70,72,136,144],"well":[71],"follow-up":[73,95],"noncontrast":[74],"(NCCT)":[76],"before":[77],"discharge/death":[78],"from":[79],"January":[80],"1,":[81],"2003,":[82],"September":[84],"30,":[85],"2005,":[86],"were":[87,120,207],"retrospectively":[88],"identified.":[89],"One":[90],"neuroradiologist":[91,104],"reviewed":[92,106],"admission":[93],"NCCT":[96],"for":[97,110],"size":[99,186],"growth.":[101,260],"A":[102],"second":[103],"independently":[105,223,255],"CECT":[109,170],"active":[111],"extravasation.":[113],"Univariate":[114,173],"multivariate":[116,213,242],"logistic":[117],"regression":[118],"analyses":[119],"performed":[121],"evaluate":[123],"significance":[125],"clinical":[127],"radiologic":[129],"variables":[130],"predicting":[132],"30-day":[133],"mortality,":[134],"designated":[135],"outcome.":[139,147],"Hematoma":[140],"growth":[141,240],"considered":[143],"a":[145],"secondary":[146],"RESULTS:":[148],"Of":[149],"56":[150],"patients,":[151],"seen":[155],"17.9%":[157],"initial":[161,169,184],"23.2%":[165],"following":[171],"CTA.":[172],"analysis":[174],"showed":[175],"that":[176],"presence":[178,190],"CT,":[182],"large":[183],"(>30":[187],"mL),":[188],"\"swirl":[192],"sign\"":[193],"NCCT,":[195],"Glasgow":[197],"Coma":[198],"Scale":[199],"scores,":[202],"international":[204],"normalized":[205],"ratio":[206],"mortality.":[211,225],"On":[212],"analysis,":[214],"only":[215],"(P":[220,230],"=":[221],".017)":[222],"predicted":[224],"Contrast":[226],"<":[231],".001)":[232],"also":[234],"an":[235],"independent":[236],"predictor":[237],"analysis.":[243],"CONCLUSION:":[244],"Active":[245],"predicts":[256]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":12},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":16},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":20}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}