Document Detail


A pulsed dye laser with a 10-mm beam diameter and a pigmented lesion window for purpura-free photorejuvenation.
MedLine Citation:
PMID:  18177402     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND AND OBJECTIVES: In traditional pulsed dye lasers (PDLs), power limitations and pulse characteristics have compromised purpura-free procedures. This study evaluated a new PDL with a modified pulse structure and a 10-mm beam diameter for purpura-free photorejuvenation. A compression handpiece was used for targeting lentigines. MATERIALS AND METHODS: Twenty patients with skin types I to III were treated three times at 3- to 4-week intervals. The first pass was delivered through a 10-mm compression handpiece to target pigment dyschromias using fluences between 6.5 and 8.0 J/cm(2) with a 1.5-ms pulse duration. A second pass was then performed with a 10-mm spot with fluences between 9.5 and 10 J/cm(2), a 20-ms pulse duration, and cryogen spray enabled. Improvement was evaluated by comparing pre- and posttreatment photographs and live subjects 1 month after the third treatment. RESULTS: In the majority of patients, >90% reduction of fine telangiectasias (<0.6 mm) and dark lentigines was achieved. Pigmented dyschromias improved proportional to the degree of pigment at presentation. Avoidance of purpura with the compression handpiece was dependent on obtaining proper compression before laser emission. Mean textural improvement was 34%. CONCLUSIONS: The new 595-nm PDL is highly effective for two-pass purpura-free improvement of telangiectases, pigment dyschromias, and texture.
Authors:
Kenneth J Galeckas; Edward Victor Ross; Nathan S Uebelhoer
Publication Detail:
Type:  Clinical Trial; Journal Article     Date:  2007-12-19
Journal Detail:
Title:  Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]     Volume:  34     ISSN:  1524-4725     ISO Abbreviation:  Dermatol Surg     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-28     Completed Date:  2008-03-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9504371     Medline TA:  Dermatol Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  308-13     Citation Subset:  IM    
Affiliation:
Department of Dermatology, Naval Medical Center San Diego, San Diego, California 92134, USA. kenneth.galeckas@med.navy.mil
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MeSH Terms
Descriptor/Qualifier:
Female
Humans
Laser Therapy, Low-Level*
Lasers, Dye / therapeutic use*
Lentigo / radiotherapy*
Male
Middle Aged
Rejuvenation
Skin Aging / radiation effects*
Telangiectasis / radiotherapy*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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