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Paradoxical Brain Embolism as a Cause of Central Retinal Artery Occlusion: A Case Report |
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| Authors: | Koji Hayashi MD Yasuyuki Iguchi MD Kazumi Kimura MD Kensaku Shibazaki MD Kazuto Kobayashi MD Takeshi Inoue MD |
| Affiliation: | Department of Stroke Medicine, Stroke Center, Kawasaki Medical School, Kurashiki-city, Okayama, Japan. |
| Abstract: | A 79-year-old right-handed woman was admitted to hospital following sudden onset of severe visual loss in the left eye. Left central retinal artery occlusion (CRAO) was diagnosed. Diffusion-weighted imaging showed an asymptomatic hyperintensity in left middle cerebral artery territory. Transcranial Doppler and transesophageal echocardiography revealed patent foramen ovale. No other embolic sources were identified in the carotid artery, aortic arch, or heart. We report herein a case of CRAO caused by paradoxical brain embolism. |
| Keywords: | Asymptomatic cerebral infarction central retinal artery occlusion paradoxical brain embolism patent foramen ovale transcranial Doppler |