alexa New insights in the pathogenesis and treatment of normal tension glaucoma.
Oncology

Oncology

OMICS Journal of Radiology

Author(s): Mozaffarieh M, Flammer J

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Abstract Increased intraocular pressure (IOP) is a major risk factor for glaucomatous damage and reducing IOP improves prognosis. Nevertheless, there is little doubt that other risk factors besides IOP such as unstable ocular perfusion are involved. Blood flow is unstable if either the IOP fluctuates at a high level (or blood pressure fluctuates at a low level) or if the autoregulation of blood flow disturbed. A common cause for a disturbed OBF autoregulation is a primary vascular dysregulation (PVD) frequently observed in normal tension glaucoma patients. An unstable blood flow leads to recurrent mild reperfusion injury (chronic oxidative stress) affecting particularly the mitochondria of the optic nerve head. OBF regulation can be improved by magnesium, calcium channel blockers as well as with carbonic anhydrase inhibitors. Copyright © 2012 Elsevier Ltd. All rights reserved. This article was published in Curr Opin Pharmacol and referenced in OMICS Journal of Radiology

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