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- Sho Okune, Mikito Hayakawa, Tenyu Hino, Takato Hiramine, Taisuke Akimoto, Masayuki Sato, Yoshiro Ito, Aiki Marushima, Tomoya Takada, Eiichi Ishikawa, Akira Tamaoka, and Yuji Matsumaru.
- Department of Stroke and Cerebrovascular Diseases, University of Tsukuba Hospital, Japan.
- Intern. Med. 2024 Feb 15; 63 (4): 577582577-582.
AbstractHemichorea-hemiballism (HCHB) due to transient ischemic attacks (TIAs) is rare. An 83-year-old woman had repeated episodes of right-sided HCHB for 3 months. Magnetic resonance (MR) angiography demonstrated occlusion of the left carotid and middle cerebral arteries and severe stenosis of the innominate artery, and 24-hour ambulatory blood pressure monitoring showed a blood pressure decrease of >20 mmHg after each meal. We speculated that HCHB developed as TIAs due to hemodynamic failure in the left cerebral hemisphere, caused by a combination of severe stenosis of the innominate artery concomitant with occlusion of the left carotid and middle cerebral arteries as well as postprandial hypotension.
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