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Table of Contents
Vol. 22, No. 5-6, 2006
Issue release date: October 2006
Section title: Original Paper
Cerebrovasc Dis 2006;22:402–408
(DOI:10.1159/000094859)

Effect of Carotid Artery Stenting on Ocular Circulation and Chronic Ocular Ischemic Syndrome

Kawaguchi S.a · Sakaki T.a · Iwahashi H.a · Fujimoto K.a · Iida J.a · Mishima H.a · Nishikawa N.b
aDepartment of Neurosurgery, Nara Medical University, Kashihara, and bDepartment of Ophthalmology, Osaka Police Hospital, Osaka, Japan

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: December 21, 2005
Accepted: April 05, 2006
Published online: November 02, 2006
Issue release date: October 2006

Number of Print Pages: 7
Number of Figures: 2
Number of Tables: 0

ISSN: 1015-9770 (Print)
eISSN: 1421-9786 (Online)

For additional information: http://www.karger.com/CED

Abstract

Background: The authors evaluated the effect of carotid artery stenting (CAS) on ocular circulation and chronic ocular ischemic syndrome. Methods: We examined 38 patients with carotid artery stenosis (>80%) at its origin treated with CAS. Ocular circulation and symptoms were examined before, within 24 h, and 1 week, 1 month, and 3 months after CAS based on ophthalmic artery color Doppler flow imaging and ophthalmological examinations. Results: Ocular circulation: Before CAS, 13 patients showed reversed ophthalmic artery flow, and 25 antegrade flow. Average peak systolic flow velocity was –0.038 m/s. Within 24 h after CAS, all patients showed antegrade ophthalmic artery flow; reversed flow before CAS was thus resolved. Average peak systolic flow velocity rose significantly to 0.36 m/s (p < 0.05). One week, 1 month and 3 months after CAS, there were no significant changes compared to the findings at 1 week after CAS. Ocular symptoms: Before CAS, 8 patients showed chronic ocular ischemic syndrome. During the follow-up period (mean: 2.8 years), the visual acuity improved in 7 cases. Average retinal artery pressure and arm-to-retina circulation time improved significantly to the normal level (p < 0.05). The other 30 patients complained of recurrent and worsened visual symptoms during the follow-up period. Conclusion: CAS was effective in improving ocular circulation, and also improved the chronic ocular ischemic syndrome caused by the severe carotid artery stenosis.

© 2006 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: December 21, 2005
Accepted: April 05, 2006
Published online: November 02, 2006
Issue release date: October 2006

Number of Print Pages: 7
Number of Figures: 2
Number of Tables: 0

ISSN: 1015-9770 (Print)
eISSN: 1421-9786 (Online)

For additional information: http://www.karger.com/CED


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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