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Ophthalmic artery aneurysms: An investigation by duplex scan

✍ Scribed by LászlóJ. Molnár; JoséGuilherme M.P. Caldas; Vital Paulino Costa; Giovanni Guido Cerri

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
687 KB
Volume
23
Category
Article
ISSN
0301-5629

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✦ Synopsis

With the objective of analyzing the postaneurysmal peak systolic velocity (PSV) in ophthalmic arteries, duplex scanning was analyzed in 28 carotid-ophthalmic artery segments after exclusion of ipsilateral carotid stenosis. For comparison, the angiographic study of the extracranial and intracranial carotid system was utilized as the "gold standard." A subgroup of 7 subjects with 8 ophthalmic arteries with aneurysms identified where the artery leaves the internal carotid artery presented with PSVs significantly reduced (mean PSVs 17.95 f 7.99 cm/s) compared to the mean PSVs in the healthy group (27.95 f 5.54 cm/s) (p = 0.006). A PSV of less than 19 cm/s offered a sensitivity of 80% and a specificity of 100% in diagnosing ophthalmic artery aneurysms. We conclude that duplex scan is diagnostically useful in the identification of patients with ophthalmic artery aneurysms when severe ipsilateral carotid stenosis is excluded. 0 1997 World Federation for Ultrasound in Medicine 8z Biology.

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