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July 1997

Retinal Artery Obstruction in Young Patients-Reply

Author Affiliations

Kingston, Ontario

Arch Ophthalmol. 1997;115(7):942. doi:10.1001/archopht.1997.01100160112030

In reply  Dr Sanborn raises an important issue regarding the systemic evaluation of young patients with acute retinal arterial occlusion, as various authors, citing individual cases, have reported the presence of potential cardioembolic pathological features in this population.1 We recently described the benefit of cardioembolic risk stratification in the decision to perform transthoracic echocardiography for the systemic evaluation of acute retinal arterial occlusion.2 Although age stratification was not performed in our initial study,2 the question of whether cardioembolic risk stratification should be employed in young patients with acute retinal arterial occlusion has subsequently been addressed by our study group.3 Specifically, we were able to detect 11 patients who underwent transthoracic echocardiography (9 of whom were part of our initial study) and who were younger than 45years when retinal arterial occlusion was diagnosed. Of these patients, 5 were deemed to have high cardioembolic risk; the remaining 6

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