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Blood pressure, glaucoma links in migraine patients; eye care goes digital and mobile
Date:10/17/2010

CHICAGOData on glaucoma risk in people with migraine and on innovative uses of mobile, digital technology are featured in today's Scientific Program, to be presented at the 2010 American Academy of Ophthalmology (AAO) Middle East-Africa Council of Ophthalmology (MEACO) Joint Meeting. The AAO-MEACO meeting is in session October 16 through 19 at McCormick Place, Chicago. It is the largest, most comprehensive ophthalmic education conference in the world.

The Blood Pressure-Glaucoma Connection in People with Migraine

Yury S Astakhov, MD, PhD, of Pavlov Medical University, St. Petersburg, Russian Federation, studied how day- and at night-time blood pressure levels may be related to the development of glaucoma in people with migraine. Understanding such effects is important for doctors in determining how to treat patients with multiple diseases.

Migraine is a known risk factor for open-angle glaucoma, a disease that can cause blindness due to damage to the optic nerve. The association between the two is stronger for people with "normal tension" glaucoma (NTG), in which the pressure within the eye is normal but optic nerve damage occurs nonetheless. It is also known that glaucoma patients who have low blood pressure at night are more likely to develop visual field loss (reduction of the full range of vision, which occurs first in the peripheral vision).

Dr. Astakhov's team compared day- and night-time systolic and diastolic blood pressures in 12 patients who had migraine and glaucoma (8 with NTG) against 16 patients with migraine but no glaucoma. The only significant difference between the groups was in night time diastolic pressure: migraine patients with glaucoma had excessive decreasesmore than 20 percentin their diastolic pressure levels.

"We conclude that low diastolic blood pressure at night is a possible risk factor for glaucoma in patients with migraine," Dr. Astakhov said.

iPhone Images: Good Enough
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Contact: Mary Wade
mwade@aao.org
510-725-5677
American Academy of Ophthalmology
Source:Eurekalert

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