Original articleRetinal Artery Occlusion: Associated Systemic and Ophthalmic Abnormalities
Section snippets
Materials and Methods
We conducted this study in patients with CRAO and with BRAO seen in our Ocular Vascular Clinic, a Tertiary Care referral center at the University of Iowa Hospitals & Clinics, as a part of National Institute of Health–funded (RO1) prospective studies on ocular vascular occlusive disorders, approved by the Institutional Review Board. The study consists of a cohort of 439 patients (499 eyes), with CRAO in 249 patients (289 eyes) and BRAO in 190 patients (210 eyes), seen consecutively from 1973 to
Central Retinal Artery Occlusion
There were 234 NA-CRAO patients (271 eyes), 37 (16%) with bilateral involvement. More than half of the 271 eyes had NA-CRAO alone (156 eyes), with the rest having other types of CRAO (Table 1). The demographic characteristics of these patients are listed in Table 3. Development of CRAO was discovered at waking in 29.5% (80 eyes). In this cohort of CRAO patients, the natural history of visual outcome3 and fundus findings4 are described in detail elsewhere.
Branch Retinal Artery Occlusion
There were 141 patients (160 eyes) with
Discussion
There is a large volume of literature dealing with various aspects of RAO, including visual outcome, sources of retinal emboli, systemic diseases, hematologic abnormalities, and other risk factors associated with RAO.
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Manuscript no. 2008-1536.
Financial Disclosure(s): The authors have no proprietary or commercial interest in any of the materials discussed in this article.
Supported by grant EY-1151 from the National Institutes of Health.