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The effects of systemic medications on ocular blood flow. | LitMetric

The effects of systemic medications on ocular blood flow.

Can J Ophthalmol

Faculty of Medicine, University of Montréal, and Maisonneuve-Rosemont Hospital Research Centre, 5415 boulevard de l'Assomption, Montréal, Québec, Canada.

Published: June 2008

This article reviews the effects of systemic medications and some native vasoactive molecules on ocular blood flow (OBF). Some evidence exists for a positive effect of centrally acting calcium-channel blockers, nitric oxide precursors, adenosine, histamine, estrogens, and ginkgo biloba extract, while evidence for a negative effect on OBF exists for endothelin-1 and indomethacin. Some other molecules appear to have mixed effects, depending on the ocular vascular bed studied or the study protocol. In addition, medically induced changes in systemic blood pressure (BP) have an important impact on OBF, and the direction and magnitude of this effect may depend on the disease status of the patient and of the eye, as well as the absolute level of BP achieved. There are relatively few studies of the effects of systemic medications on OBF in glaucoma patients, and little is known of the long-term impact of such therapies on the preservation of optic nerve structure and function.

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Source
http://dx.doi.org/10.3129/i08-057DOI Listing

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