{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T04:10:58Z","timestamp":1783570258522,"version":"3.55.0"},"reference-count":10,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,9,27]],"date-time":"2019-09-27T00:00:00Z","timestamp":1569542400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acute Medicine &amp; Surgery"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The accessory middle cerebral artery (<jats:styled-content style=\"fixed-case\">AMCA<\/jats:styled-content>) is a middle cerebral artery (<jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content>) anomaly originating from the anterior cerebral artery. We report our experience of a case in which thrombectomy was undertaken for a patient with hemodynamics that were specific to the <jats:styled-content style=\"fixed-case\">AMCA<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case Presentation<\/jats:title><jats:p>An 84\u2010year\u2010old man with a history of atrial fibrillation developed paralysis of the left upper and lower extremities. Imaging examinations suggested tandem occlusion of the right internal carotid artery and the origin (M2 segment) of the right <jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content>. An extremely narrow <jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> was visualized. Because there was concern regarding development of frontal lobe infarction, thrombectomy was carried out to restore anterograde blood flow, but an <jats:styled-content style=\"fixed-case\">AMCA<\/jats:styled-content> was found. Recanalization of the main <jats:styled-content style=\"fixed-case\">MCA<\/jats:styled-content> in the infarction zone resulted in hemorrhagic infarction, and the patient died of cerebral herniation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>When a vascular variation like <jats:styled-content style=\"fixed-case\">AMCA<\/jats:styled-content> is suspected, a careful evaluation of hemodynamics is necessary before undertaking endovascular intervention.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ams2.459","type":"journal-article","created":{"date-parts":[[2019,9,27]],"date-time":"2019-09-27T16:31:17Z","timestamp":1569601877000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A case of acute cerebral infarction associated with an accessory middle cerebral artery in a patient who underwent thrombectomy"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1397-423X","authenticated-orcid":false,"given":"Ichiro","family":"Deguchi","sequence":"first","affiliation":[{"name":"Department of Neurology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Osada","sequence":"additional","affiliation":[{"name":"Department of Neurology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroaki","family":"Kimura","sequence":"additional","affiliation":[{"name":"Department of Neurology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoko","family":"Saito","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eiichi","family":"Arai","sequence":"additional","affiliation":[{"name":"Department of Pathology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinya","family":"Kohyama","sequence":"additional","affiliation":[{"name":"Department of Endovascular Neurosurgery Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Takao","sequence":"additional","affiliation":[{"name":"Department of Neurology Saitama Medical University International Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,9,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.118.3.567"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s003300050960"},{"key":"e_1_2_6_4_1","first-page":"45","article-title":"Middle cerebral artery variations: duplicated and accessory arteries","volume":"19","author":"Komiyama M","year":"1998","journal-title":"AJNR Am. J. Neuroradiol."},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.20.7.864"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(00)02237-6"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2003.029389"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/neurintsurg-2014-011125"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A0843"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(16)00163-X"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0000000000001894"}],"container-title":["Acute Medicine &amp; Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ams2.459","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/ams2.459","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ams2.459","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,3]],"date-time":"2023-09-03T13:06:04Z","timestamp":1693746364000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ams2.459"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,9,27]]},"references-count":10,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2020,1]]}},"alternative-id":["10.1002\/ams2.459"],"URL":"https:\/\/doi.org\/10.1002\/ams2.459","archive":["Portico"],"relation":{},"ISSN":["2052-8817","2052-8817"],"issn-type":[{"value":"2052-8817","type":"print"},{"value":"2052-8817","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,9,27]]},"assertion":[{"value":"2019-06-12","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2019-08-30","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2019-09-27","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e459"}}