Pure Vasogenic Edema Caused by Cerebral Hyperperfusion After Superficial Temporal Artery to Middel Cerebral Artery Anastomosis : Case Report
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概要
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A 63-year-old patient presented with cerebral hyperperfusion manifesting as transient aphasia and general tonic convulsions 3 and 4 days after superficial temporal artery to middle cerebral artery (STA-MCA) anastomosis. Diffusion-weighted magnetic resonance (MR) imaging revealed a focal low-intensity area at the site of anastomosis in the left temporal lobe, with high apparent diffusion coefficient, together with focal intense increase in cerebral blood flow in the same region. This lesion was considered to be pure vasogenic edema caused by cerebral hyperperfusion. Additional treatment with intravenous drip infusion of free radical scavenger and reduction in blood pressure with nicardipine improved the patients symptoms and brain edema. The brain edema gradually decreased on MR imaging and completely disappeared at 3 months after bypass surgery. Cerebral hyperperfusion is often encountered after recanalization of occlusive arteries, removal of arteriovenous malformations, and carotid endarterectomy, but may also occur after STA-MCA anastomosis.
- 2010-03-15
著者
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KOKUZAWA Jouji
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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KAKU Yasuhiko
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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WATARAI Takatoshi
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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TANAKA Toshiki
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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HATSUDA Naoki
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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ANDO Takashi
Department of Neurosurgery, Asahi University Murakami Memorial Hospital
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Tanaka Toshiki
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Ando Takashi
Department Of Internal Medicine And Pathophysiology Nagoya City University Graduate School Of Medica
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Tanaka Toshiki
Department Of Applied Chemistry Faculty Of Engineering Nagoya Institute Of Technology
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Kaku Yasuhiko
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Kaku Yasuhiko
Department Of Electronics Kyushu Institute Of Technology
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Hatsuda Naoki
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Kokuzawa Jouji
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Watarai Takatoshi
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Ando Takashi
Department Of Immunology Faculty Of Medicine University Of Yamanashi
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Ando Takashi
Department Of Neurosurgery Asahi University Murakami Memorial Hospital
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Ando Takashi
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences Univers
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