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Keep Father Time From Marching On: New Laser Treatments Offer Gentle and Effective Skin Resurfacing in a Flash
Date:2/3/2008

SAN ANTONIO, Feb. 3 /PRNewswire/ -- For most people, the significant downtime involved in undergoing an invasive laser resurfacing procedure to reverse the obvious signs of aging skin is not realistic given today's busy, deadline-driven lifestyle. Now, a number of new minimally invasive laser skin resurfacing technologies are delivering noticeable improvements for people looking to freshen up their look without spending weeks under wraps, as is common with their invasive counterparts.

Speaking today at the 66th Annual Meeting of the American Academy of Dermatology (Academy), dermatologist Jeffrey S. Dover, MD, FAAD, associate clinical professor of dermatology at Yale University Medical School in New Haven, Conn., shared his professional experience with three of the newer laser skin resurfacing procedures being used to treat fine lines, wrinkles, photodamage and uneven skin pigmentation.

"The search for safe and effective treatments to improve and rejuvenate the tone, color and texture of the aging face is never ending," said Dr. Dover. "Today, patients are interested in gentler skin rejuvenation options than those used previously, such as the CO2 laser, and will trade less dramatic results for less downtime and few, if any, side effects."

Fractional Laser Skin Resurfacing

One of the most versatile new laser technologies being used to treat aging skin is fractional laser skin resurfacing. Numerous clinical studies have shown this technology to be safe and effective in treating patients of all skin types, including skin of color, for fine lines, wrinkles, uneven skin tone and even acne scars.

Fractional laser resurfacing works by targeting damaged skin in columns of microscopic treatment zones, which include the outermost and underlying layers of skin known as the epidermis and the dermis. Fractional laser resurfacing thermally damages the tiny columns of skin while the surrounding healthy skin is left intact.

"One of the main benefits of fractional laser resurfacing is that it stimulates the production of new collagen during the body's natural healing process," said Dr. Dover. "Not only does the treated skin look better after a series of three to six treatments, but it also improves gradually as the new collagen forms -- with optimal results clearly noticeable in about four to six months. Patients really prefer this treatment over more invasive procedures, as they can usually get results comparable to a treatment that would have required weeks of healing time and longer-lasting side effects."

Plasma Skin Resurfacing

Another new technology that shows promise in improving photodamaged skin in initial studies is plasma skin resurfacing. Rather than using light or radiofrequency that are common in other laser resurfacing procedures, plasma resurfacing uses a nitrogen gas to generate plasma energy -- which is delivered to the targeted epidermis and dermis in either multiple, low-energy or single, high-energy millisecond pulses. Over a period of three to 10 days, depending on the level of energy used, the outermost layer of skin remains intact and acts as a "biological dressing" to protect the new epidermis and dermis forming underneath.

In a study published in the February 2007 issue of the Archives of Dermatology, Dr. Dover and his colleagues evaluated the effectiveness of multiple, low-energy, full-face plasma skin resurfacing treatments compared to a single, high-energy treatment. While single, high-energy plasma resurfacing treatments have been demonstrated to achieve successful results, patients typically require a week or more of healing time. Dr. Dover explained that his study was conducted to determine if comparable results could be achieved with less downtime by using multiple treatments at a lower energy.

"In the eight patients we studied that underwent full-face treatments every three weeks for a total of three treatments, we found a 37 percent reduction in wrinkles three months after treatment, with study participants noting a 68 percent improvement in overall facial appearance," said Dr. Dover. "We concluded that plasma skin resurfacing using the multiple low-energy treatment technique delivers significant improvement comparable to a single high-energy treatment, but with less healing time."

Superficial Erbium:YAG Laser Resurfacing

One of the most widely used lasers for skin resurfacing, the Erbium:YAG laser produces energy in varying wavelengths that penetrates the skin and is quickly absorbed by water, scattering the heat generated from the light of the laser. While patients with moderate to more severe wrinkles and photodamage are the best candidates for this laser treatment, the high amount of energy needed to improve aging skin requires the removal of part of the epidermis and the deeper tissues of the dermis. This more invasive procedure also requires a long healing time, as redness and swelling could last for several weeks.

Now, a modified version of this technology known as superficial Erbium:YAG laser resurfacing uses short-pulsed wavelengths to create a gentler treatment with fewer side effects and decreased downtime. Dr. Dover noted that this superficial laser procedure works well for patients with less extensive skin damage, such as mild wrinkles and slight skin discoloration, and the resulting mild redness and swelling generally only last for two to three days.

"The advantage of superficial Erbium:YAG laser resurfacing is that we can easily vary the amount of energy delivered to the skin to produce the desired effect," said Dr. Dover. "This technology has a proven track record, and it is a great option for patients who want noticeable results but a shorter healing time than the traditional high-powered procedure."

Choose the Right Physician

Since the success of any cosmetic procedure is highly dependent on the skill level of the physician, the Academy advises patients to do their homework and discuss their options and expectations with their dermatologist before undergoing any of the latest skin resurfacing treatments.

"Although the pigmentary problems that have occurred with CO2 laser skin resurfacing have not been reported thus far with any of these new laser resurfacing techniques, it is extremely important that patients find a qualified physician who is familiar with the nuances of these therapies and can demonstrate his or her expertise through "before and after" photos or patient referrals," added Dr. Dover.

For more information on aging skin, go to http://www.skincarephysicians.com, a Web site developed by dermatologists that provides patients with up-to-date information on the treatment and management of disorders of the skin, hair and nails.

Headquartered in Schaumburg, Ill., the American Academy of Dermatology (Academy), founded in 1938, is the largest, most influential, and most representative of all dermatologic associations. With a membership of more than 15,000 physicians worldwide, the Academy is committed to: advancing the diagnosis and medical, surgical and cosmetic treatment of the skin, hair and nails; advocating high standards in clinical practice, education, and research in dermatology; and supporting and enhancing patient care for a lifetime of healthier skin, hair and nails. For more information, contact the Academy at 1-888-462-DERM (3376) or http://www.aad.org.


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SOURCE American Academy of Dermatology
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