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Tytuł pozycji:

Retinal artery occlusion during carotid artery stenting with distal embolic protection device.

Tytuł :
Retinal artery occlusion during carotid artery stenting with distal embolic protection device.
Autorzy :
Kohara, Kotaro
Ishikawa, Tatsuya
Kobayashi, Tomonori
Kawamata, Takakazu
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Źródło :
Neuroradiology Journal; Oct2018, Vol. 31 Issue 5, p504-508, 5p, 6 Diagrams
Czasopismo naukowe
Retinal artery occlusion associated with carotid artery stenosis is well known. Although it can also occur at the time of carotid artery stenting, retinal artery occlusion via the collateral circulation of the external carotid artery is rare. We encountered two cases of retinal artery occlusion that were thought to be caused by an embolus from the external carotid artery during carotid artery stenting with a distal embolic protection device for the internal carotid artery. A 71-year-old man presented with central retinal artery occlusion after carotid artery stenting using the Carotid Guardwire PS and a 77-year-old man presented with branch retinal artery occlusion after carotid artery stenting using the FilterWire EZ. Because additional new cerebral ischaemic lesions were not detected in either case by postoperative diffusion-weighted magnetic resonance imaging, it was highly likely that the debris that caused retinal artery occlusion passed through not the internal carotid artery but collaterals to retinal arteries from the external carotid artery, which was not protected by a distal embolic protection device. It is suggested that a distal protection device for the internal carotid artery alone cannot prevent retinal artery embolisation during carotid artery stenting and protection of the external carotid artery is important to avoid retinal artery occlusion. [ABSTRACT FROM AUTHOR]
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