{"id":"https://openalex.org/W4200312116","doi":"https://doi.org/10.1590/0100-3984.2020.0168","title":"Importance of computed tomography angiography in acute/hyperacute ischemic stroke","display_name":"Importance of computed tomography angiography in acute/hyperacute ischemic stroke","publication_year":2021,"publication_date":"2021-12-01","ids":{"openalex":"https://openalex.org/W4200312116","doi":"https://doi.org/10.1590/0100-3984.2020.0168","pmid":"https://pubmed.ncbi.nlm.nih.gov/34866695","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/8630949"},"language":"en","primary_location":{"id":"doi:10.1590/0100-3984.2020.0168","doi":"https://doi.org/10.1590/0100-3984.2020.0168","is_oa":true,"landing_page_url":"https://doi.org/10.1590/0100-3984.2020.0168","pdf_url":"https://www.scielo.br/j/rb/a/pQdXKw8PWqWHqpvmpDJB98b/?lang=en&format=pdf","source":{"id":"https://openalex.org/S42168930","display_name":"Radiologia Brasileira","issn_l":"0100-3984","issn":["0100-3984","1678-7099"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","poland-70","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310311975","host_organization_name":"Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem","host_organization_lineage":["https://openalex.org/P4310311975"],"host_organization_lineage_names":["Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiologia Brasileira","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.scielo.br/j/rb/a/pQdXKw8PWqWHqpvmpDJB98b/?lang=en&format=pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039989559","display_name":"Bruna Arrais Dias","orcid":"https://orcid.org/0000-0002-7737-8031","observed_orcids":["https://orcid.org/0000-0002-7737-8031"]},"institutions":[{"id":"https://openalex.org/I4210136843","display_name":"Hospital Universit\u00e1rio de Bras\u00edlia","ror":"https://ror.org/02x2gbe80","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4210136843"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Bruna Arrais Dias","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil; Hospital Universit\u00e1rio de Bras\u00edlia,  Brazil"],"raw_orcid":"https://orcid.org/0000-0002-7737-8031","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil; Hospital Universit\u00e1rio de Bras\u00edlia,  Brazil","institution_ids":["https://openalex.org/I4210136843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065853132","display_name":"Karenn Barros Bezerra","orcid":"https://orcid.org/0000-0002-3046-8494","observed_orcids":["https://orcid.org/0000-0002-3046-8494"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Karenn Barros Bezerra","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0002-3046-8494","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035782793","display_name":"Alexandre S\u00e9rgio de Ara\u00fajo Bezerra","orcid":"https://orcid.org/0000-0001-6385-2954","observed_orcids":["https://orcid.org/0000-0001-6385-2954"]},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]},{"id":"https://openalex.org/I4210136843","display_name":"Hospital Universit\u00e1rio de Bras\u00edlia","ror":"https://ror.org/02x2gbe80","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4210136843"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alexandre S\u00e9rgio de Ara\u00fajo Bezerra","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil; Hospital Universit\u00e1rio de Bras\u00edlia,  Brazil; Universidade de Bras\u00edlia (UnB),  Brazil"],"raw_orcid":"https://orcid.org/0000-0001-6385-2954","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil; Hospital Universit\u00e1rio de Bras\u00edlia,  Brazil; Universidade de Bras\u00edlia (UnB),  Brazil","institution_ids":["https://openalex.org/I150729083","https://openalex.org/I4210136843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000346827","display_name":"Vanessa Garcia Santana","orcid":"https://orcid.org/0000-0003-4539-283X","observed_orcids":["https://orcid.org/0000-0003-4539-283X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vanessa Garcia Santana","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0003-4539-283X","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072774608","display_name":"Raquel Rodrigues Borges","orcid":"https://orcid.org/0000-0002-9734-5157","observed_orcids":["https://orcid.org/0000-0002-9734-5157"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Raquel Rodrigues Borges","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0002-9734-5157","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017149136","display_name":"Juliana Cavalcanti de Freitas Reinaux","orcid":"https://orcid.org/0000-0003-0290-8963","observed_orcids":["https://orcid.org/0000-0003-0290-8963"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Juliana Cavalcanti de Freitas Reinaux","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0003-0290-8963","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001437595","display_name":"Daniel Lima Souza","orcid":"https://orcid.org/0000-0002-6783-4523","observed_orcids":["https://orcid.org/0000-0002-6783-4523"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Lima Souza","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0002-6783-4523","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077706996","display_name":"Fernando Bisinoto Maluf","orcid":"https://orcid.org/0000-0003-2791-2109","observed_orcids":["https://orcid.org/0000-0003-2791-2109","https://orcid.org/0000-0002-7070-1289"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fernando Bisinoto Maluf","raw_affiliation_strings":["Hospital Santa Marta (HSM),  Brazil"],"raw_orcid":"https://orcid.org/0000-0003-2791-2109","affiliations":[{"raw_affiliation_string":"Hospital Santa Marta (HSM),  Brazil","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5039989559"],"corresponding_institution_ids":["https://openalex.org/I4210136843"],"apc_list":null,"apc_paid":null,"fwci":0.1326,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.38883142,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"54","issue":"6","first_page":"360","last_page":"366"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10227","display_name":"Acute Ischemic Stroke Management","score":0.9922000169754028,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical 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/T10227","display_name":"Acute Ischemic Stroke Management","score":0.9922000169754028,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical 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/T10816","display_name":"Cerebrovascular and Carotid Artery Diseases","score":0.0071000000461936,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/ct-angiography","display_name":"CT angiography","score":0.9300000071525574},{"id":"https://openalex.org/keywords/acute-ischemic-stroke","display_name":"acute ischemic stroke","score":0.9869999885559082},{"id":"https://openalex.org/keywords/hyperacute-stroke","display_name":"hyperacute stroke","score":0.9890000224113464},{"id":"https://openalex.org/keywords/anterior-circulation","display_name":"anterior circulation","score":0.6489999890327454},{"id":"https://openalex.org/keywords/intracranial-artery-stenosis","display_name":"intracranial stenosis","score":0.7820000052452087},{"id":"https://openalex.org/keywords/vulnerable-plaque","display_name":"vulnerable plaque","score":0.7229999899864197},{"id":"https://openalex.org/keywords/aspects","display_name":"ASPECTS","score":0.8230000138282776},{"id":"https://openalex.org/keywords/mechanical-thrombectomy","display_name":"mechanical thrombectomy","score":0.8669999837875366},{"id":"https://openalex.org/keywords/thrombolysis","display_name":"thrombolysis","score":0.8820000290870667},{"id":"https://openalex.org/keywords/stroke-etiology","display_name":"stroke etiology","score":0.9549999833106995},{"id":"https://openalex.org/keywords/atherosclerosis","display_name":"atherosclerosis","score":0.8730000257492065},{"id":"https://openalex.org/keywords/cerebral-small-vessel-disease","display_name":"cerebral small vessel disease","score":0.8370000123977661},{"id":"https://openalex.org/keywords/cardioembolic-stroke","display_name":"cardioembolic stroke","score":0.8740000128746033}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.932853102684021},{"id":"https://openalex.org/C137627325","wikidata":"https://www.wikidata.org/wiki/Q156318","display_name":"Etiology","level":2,"score":0.8612704277038574},{"id":"https://openalex.org/C2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","level":2,"score":0.7327283620834351},{"id":"https://openalex.org/C2781347138","wikidata":"https://www.wikidata.org/wiki/Q1024492","display_name":"Computed tomography angiography","level":3,"score":0.6220555901527405},{"id":"https://openalex.org/C2780645631","wikidata":"https://www.wikidata.org/wiki/Q671554","display_name":"Stroke (engine)","level":2,"score":0.5989647507667542},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.5935795903205872},{"id":"https://openalex.org/C2780643987","wikidata":"https://www.wikidata.org/wiki/Q468414","display_name":"Angiography","level":2,"score":0.5721307992935181},{"id":"https://openalex.org/C2776268601","wikidata":"https://www.wikidata.org/wiki/Q968808","display_name":"Occlusion","level":2,"score":0.5522751212120056},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.5251814126968384},{"id":"https://openalex.org/C3018386432","wikidata":"https://www.wikidata.org/wiki/Q426449","display_name":"Endovascular treatment","level":3,"score":0.46308332681655884},{"id":"https://openalex.org/C2778749279","wikidata":"https://www.wikidata.org/wiki/Q5064095","display_name":"Cerebral angiography","level":3,"score":0.418436735868454},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.35712820291519165},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.33212465047836304},{"id":"https://openalex.org/C2776098176","wikidata":"https://www.wikidata.org/wiki/Q189389","display_name":"Aneurysm","level":2,"score":0.06557905673980713},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1590/0100-3984.2020.0168","doi":"https://doi.org/10.1590/0100-3984.2020.0168","is_oa":true,"landing_page_url":"https://doi.org/10.1590/0100-3984.2020.0168","pdf_url":"https://www.scielo.br/j/rb/a/pQdXKw8PWqWHqpvmpDJB98b/?lang=en&format=pdf","source":{"id":"https://openalex.org/S42168930","display_name":"Radiologia Brasileira","issn_l":"0100-3984","issn":["0100-3984","1678-7099"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","poland-70","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310311975","host_organization_name":"Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem","host_organization_lineage":["https://openalex.org/P4310311975"],"host_organization_lineage_names":["Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiologia Brasileira","raw_type":"journal-article"},{"id":"pmid:34866695","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34866695","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":"Radiologia brasileira","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:8630949","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC8630949/","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiol Bras","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1590/0100-3984.2020.0168","doi":"https://doi.org/10.1590/0100-3984.2020.0168","is_oa":true,"landing_page_url":"https://doi.org/10.1590/0100-3984.2020.0168","pdf_url":"https://www.scielo.br/j/rb/a/pQdXKw8PWqWHqpvmpDJB98b/?lang=en&format=pdf","source":{"id":"https://openalex.org/S42168930","display_name":"Radiologia Brasileira","issn_l":"0100-3984","issn":["0100-3984","1678-7099"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","poland-70","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310311975","host_organization_name":"Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem","host_organization_lineage":["https://openalex.org/P4310311975"],"host_organization_lineage_names":["Col\u00e9gio Brasileiro de Radiologia e Diagn\u00f3stico por Imagem"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiologia Brasileira","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9940000176429749,"id":"https://metadata.un.org/sdg/3"}],"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/W4200312116.pdf","grobid_xml":"https://content.openalex.org/works/W4200312116.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1996293469","https://openalex.org/W2002497062","https://openalex.org/W2006035880","https://openalex.org/W2032438124","https://openalex.org/W2052946597","https://openalex.org/W2059183835","https://openalex.org/W2064557411","https://openalex.org/W2067395123","https://openalex.org/W2067727468","https://openalex.org/W2082775638","https://openalex.org/W2093814225","https://openalex.org/W2105310932","https://openalex.org/W2133404751","https://openalex.org/W2138595885","https://openalex.org/W2148656951","https://openalex.org/W2152884583","https://openalex.org/W2153888077","https://openalex.org/W2155447978","https://openalex.org/W2156166781","https://openalex.org/W2163459328","https://openalex.org/W2171165037","https://openalex.org/W2215237268","https://openalex.org/W2289179252","https://openalex.org/W2345730171","https://openalex.org/W2575532822","https://openalex.org/W2612273352","https://openalex.org/W2613693561","https://openalex.org/W2619705748","https://openalex.org/W2784313588","https://openalex.org/W2889255364","https://openalex.org/W2907594198","https://openalex.org/W4255683973"],"related_works":["https://openalex.org/W2215237268","https://openalex.org/W2046441615","https://openalex.org/W4396938333","https://openalex.org/W3009759708","https://openalex.org/W1514544701","https://openalex.org/W2891313812","https://openalex.org/W2583956842","https://openalex.org/W3047907045","https://openalex.org/W1998806485","https://openalex.org/W2801536836"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"evaluate":[2],"the":[3,26,29,42,61,73,83,119,137,175,193],"importance":[4],"of":[5,28,63,68,92,98,118,136,177],"computed":[6,9],"tomography":[7,10],"and":[8,24,48,54,72,106,129,147,164,195],"angiography":[11],"(CTA)":[12],"in":[13,41,116,124,127,131],"stroke":[14,40],"protocols,":[15],"as":[16,18,188,190],"well":[17,189],"their":[19],"impact":[20],"on":[21,25],"endovascular":[22],"treatment":[23],"determination":[27],"etiology.":[30],"MATERIALS":[31],"AND":[32],"METHODS:":[33],"Were":[34],"evaluated":[35,59],"28":[36,84],"patients":[37,85,101,138,178],"with":[38,153,179],"acute/hyperacute":[39,180],"anterior":[43],"circulation":[44],"who":[45],"underwent":[46,103,109],"intracranial":[47],"cervical":[49],"CTA":[50,182],"between":[51],"April":[52],"2018":[53],"August":[55],"2019.":[56],"The":[57,112],"parameters":[58],"were":[60,157,165],"degree":[62],"stenosis,":[64],"plaque":[65],"characteristics,":[66],"type":[67],"infarct,":[69],"treatment,":[70,105],"etiology,":[71],"Alberta":[74],"Stroke":[75],"Program":[76],"Early":[77],"CT":[78],"Score":[79],"(ASPECTS).":[80],"RESULTS:":[81],"Of":[82],"evaluated,":[86],"16":[87],"(57.1%)":[88],"had":[89],"an":[90],"ASPECTS":[91,156],"10":[93],"(the":[94],"maximum":[95],"score,":[96],"indicative":[97],"normality).":[99],"Four":[100],"(14.3%)":[102],"thrombolytic":[104],"seven":[107],"(25.0%)":[108],"mechanical":[110],"thrombectomy.":[111],"etiology":[113,194],"was":[114],"atherosclerosis":[115],"32.1%":[117],"patients,":[120],"cerebral":[121],"small-vessel":[122],"disease":[123],"7.1%,":[125,128],"cardioembolic":[126],"undetermined":[130],"53.6%.":[132],"Regarding":[133],"plaque,":[134],"17.9%":[135],"presented":[139,144,149],"stenosis":[140,163],"\u2265":[141],"50%,":[142],"21.4%":[143],"stable":[145],"plaques,":[146],"42.9%":[148],"vulnerable":[150],"plaques.":[151],"Patients":[152],"a":[154,170],"lower":[155],"more":[158,166],"likely":[159,167],"to":[160,168],"have":[161,169],"relevant":[162],"total":[171],"infarct.":[172],"CONCLUSION:":[173],"In":[174],"evaluation":[176],"strokes,":[181],"provides":[183],"important":[184],"information,":[185],"identifying":[186],"occlusion,":[187],"helping":[191],"define":[192],"inform":[196],"decisions":[197],"regarding":[198],"treatment.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2021-12-31T00:00:00"}
