Japanese

A Case of Thrombectomy beyond One Day after Stroke Onset Resistant to Medical Treatment Hiroaki SATO 1 , Hidekazu YAMAZAKI 1 , Chiyoe HIKITA 1 , Masahiro MAEDA 1 , Mitsuhiro IWASAKI 1 , Yasufumi INAKA 1 , Shinya FUKUTA 1 , Masafumi MORIMOTO 1 1Department of Neurosurgery, Yokohamashintoshi Neurosurgical Hospital Keyword: thrombectomy , beyond one day after onset , large vessel occlusion , resistance to medical treatment , good collateral flow pp.627-632
Published Date 2020/7/10
DOI https://doi.org/10.11477/mf.1436204242
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 We report a case of thrombectomy beyond one day of onset of right middle cerebral artery occlusion.

 An 82-year-old woman who presented with difficulty in body movements was transferred to our hospital. After admission, left-sided weakness and dysarthria worsened with an National Institutes of Health Stroke Scale of 9. The initial MRI DWI on admission revealed multiple hyper intense signals in the right cerebral hemisphere and MR angiography revealed occlusion of the right internal carotid artery. We performed medical treatment because FLAIR also revealed hyper intense signals in the same lesion as the DWI image, and more than one day had passed since the onset. However, her symptoms worsened and we performed angiography on the next day, and found contrast defects like crab claw at the top of the right internal carotid artery. Even though more than one day had passed since the onset, we assumed that thrombectomy could prevent the worsening of symptoms. The procedure was a success and it resulted in complete reperfusion to the right middle cerebral artery. She showed improvement after the procedure.

 According to this case, thrombectomy one day from onset could be considered as a treatment option for large vessel occlusion with good collateral flow in the cases resistant to medical treatment.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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