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Co-occurrence of Acute Retinal Artery Occlusion and Acute Ischemic Stroke: Diffusion-Weighted Magnetic Resonance Imaging Study

Authors
 Junwon Lee  ;  Seung Woo Kim  ;  Sung Chul Lee  ;  Oh Woong Kwon  ;  Young Dae Kim  ;  Suk Ho Byeon 
Citation
 AMERICAN JOURNAL OF OPHTHALMOLOGY, Vol.157(6) : 1231-1238, 2014 
Journal Title
 AMERICAN JOURNAL OF OPHTHALMOLOGY 
ISSN
 0002-9394 
Issue Date
2014
MeSH
Acute Disease ; Aged ; Cerebral Infarction/complications* ; Cerebral Infarction/diagnosis ; Diffusion Magnetic Resonance Imaging* ; Echocardiography, Transesophageal ; Electrocardiography ; Female ; Humans ; Male ; Middle Aged ; Prevalence ; Retinal Artery Occlusion/complications* ; Retinal Artery Occlusion/diagnosis ; Retrospective Studies ; Visual Acuity ; Young Adult
Abstract
PURPOSE: To evaluate the co-occurrence of acute ischemic stroke and acute retinal artery occlusion (RAO). DESIGN: Retrospective observational case series. METHODS: We included 33 consecutive patients with acute RAO who underwent diffusion-weighted magnetic resonance imaging within 7 days of the onset of visual symptoms. The causes of RAO were classified according to the Trial of Org 10172 in Acute Stroke Treatment (TOAST) criteria, which are based on clinical features and the results of etiological evaluations for atherosclerosis, cardioembolism and other prothrombotic conditions. We evaluated the prevalence of accompanying acute ischemic stroke in subjects with acute RAO and examined the relationships with etiological parameters. RESULTS: Acute ischemic stroke was detected in 8 (24.2%) subjects with RAO. Among these subjects, 3 (37.5%) patients did not exhibit any neurologic symptoms or signs. Most of the infarction patterns were small, multiple and scattered. All of the subjects with RAO who were positive for lesions on diffusion-weighted imaging had identifiable causes, whereas only 36% of the subjects who were negative for lesions had identifiable etiologies (P = .003). Carotid stenosis or cardioembolic sources were found more commonly in cases of central retinal artery occlusion (CRAO; 7/18, 38.9%) than in cases of branch retinal artery occlusion (BRAO; 1/15 6.7%, P = .046). CONCLUSIONS: Acute cerebral infarctions frequently accompany RAO. We recommend diffusion-weighted imaging for patients with RAO because the presence of lesions on diffusion-weighted imaging is accompanied by a significantly increased probability of identifying the cause.
Full Text
http://www.sciencedirect.com/science/article/pii/S0002939414000634
DOI
10.1016/j.ajo.2014.01.033
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Physiology (생리학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Oh Woong(권오웅)
Kim, Seung Woo(김승우) ORCID logo https://orcid.org/0000-0002-5621-0811
Kim, Young Dae(김영대) ORCID logo https://orcid.org/0000-0001-5750-2616
Byeon, Suk Ho(변석호) ORCID logo https://orcid.org/0000-0001-8101-0830
Lee, Sung Chul(이성철) ORCID logo https://orcid.org/0000-0001-9438-2385
Lee, Jun Won(이준원) ORCID logo https://orcid.org/0000-0003-0543-7132
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/98899
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