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A. Miyarawa, M. Inoue, K. Hirota, R. Y. Sano, A. Hirakata, T. Hida, K. Nishiyama, H. Yoshino; Higher Incidence of Carotid Stenosis in Patients With Central Retinal Artery Occlusion. Invest. Ophthalmol. Vis. Sci. 2008;49(13):2128.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate the incidence of carotid stenosis in the patients with central retinal artery occlusion (CRAO).
Thirty-four Japnese patients (age: 65.1+/-13.7 y.o.) with CRAO which was diagnosed by funduscopic examination and fluorescein angiogram were performed carotid echogram to evaluate the presence of carotid stenosis (> 70%) in the affected side of the eyes. These patients were compared with 68 patients (age: 63.5+/-11.6 y.o.) who performed carotid echogram as annual examination but with normal retinal findings in both eyes. This research was conducted in compliance with the Declaration of Helsinki.
Carotid stenosis in the affected side of the eye was found in 9 patients (26%) with CRAO, while no patients with normal retina were detected carotid stenosis (P<0.001, Fisher exact probability test). The carotid stenosis in the other side of CRAO was found in 4 patients (12%, P=0.011) with CRAO.
Higher incidence of carotid stenosis was found in patients with CRAO. We concluded that carotid stenosis was one of risk factors developing CRAO.
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