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Leading dermatologists, ophthalmologists, researchers and others will answer questions about this chronic but treatable condition. New questions are answered every month, so be sure to check back regularly.
Thursday, September 25, 2008
Q After laser therapy to eliminate visible blood vessels, will the blood vessels grow back over time?
AResponse from Dr. Roy Geronemus, clinical professor of dermatology, Langone Medical Center, New York University:
Lasers have been found to be a very effective treatment for visible blood vessels (telangiectasia) in many rosacea patients. A laser emits wavelengths of light aimed at the tiny visible vessels just beneath the skin, and heat from the laser's energy builds in the vessels, causing them to diminish in size. Generally, at least three treatments are required at six-week intervals, depending on the severity of the telangiectasia.
As effective as lasers may be in eliminating the spidery veins so common to rosacea patients, however, the treatment is not a cure and the underlying disease process will still be there. Especially if the patient does not follow his or her prescribed medical therapy and avoid individual rosacea triggers, particularly exposure to the sun, new visible blood vessels may develop over time. Additional touch-up laser therapy may then be needed.
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