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Lasers Surg Med. 1999;25(3):229-36.

Pulsed dye laser therapy for sun damaged skin.

Author information

1
University of Minnesota, Skin Specialists Inc., Abbott Northwestern Hospital Laser Center, Minneapolis, Minnesota 55414, USA.

Abstract

OBJECTIVE:

The objective of this study was to evaluate the effectiveness of the pulsed dye laser (585 nm, 450 ms) in the treatment of sun induced wrinkles.

DESIGN:

Patients had one pulsed dye laser (585 nm) treatment. The treated areas were assessed by the following methods: grading of skin wrinkles at 6 weeks, 12 weeks, and 6-14 months after treatment by blinded observers and by light and electron microscopy.

SETTING:

An ambulatory care center at Abbott Northwestern Hospital (ANH) and the Laser & Skin Surgery Center of Northern California (LSSCNC).

PATIENTS:

Twenty patients were treated, half with mild to moderate and half with moderate to severe sun induced skin wrinkles.

RESULTS:

At last follow up 90% (9/10) of the mild to moderate wrinkles and 40% (4/10) of the treated patients with moderate to severe wrinkles had clinically observable improvement in their sun induced skin wrinkles. Histologic examinations of the treated areas showed a superficial dermal band of well organized elastin and collagen fibers replacing pre-treatment elastic tissue. Increased cellularity and mucin deposition was consistent with dermal collagen remodeling.

[Indexed for MEDLINE]

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