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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 25:1384-1386, September 2004
© 2004 American Society of Neuroradiology

Case Report
INTERVENTIONAL

Temporary Balloon Occlusion to Test Adequacy of Collateral Flow to the Retina and Tolerance for Endovascular Aneurysmal Coiling

Ali Shaibani^a, Saquib Khawar^a, Bernard Bendok^b, Matthew Walker^a, Eric J. Russell^a and H. Hunt Batjer^b

^a Department of Radiology, Northwestern University Medical School, Chicago, IL
^b Department of Neurological Surgery, Northwestern University Medical School, Chicago, IL

Address correspondence to Saquib Khawar, MD, Department of Radiology, Northwestern University, 676 North St. Clair, Suite 1400, Chicago, IL 60611

Summary: Two carotid ophthalmic artery aneurysms with incorporation of the artery into the neck were referred for endovascular assessment. Temporary balloon occlusion at the aneurysm neck was performed in an attempt to assess the adequacy of collateral flow to the retina. During inflation, the patients reported visual deterioration that resolved upon deflation, which indicates that collateral blood flow was insufficient. The patients were referred for surgical clipping to ensure preservation of the ophthalmic artery.