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Comparative study of the “point-by-point technique” and the “scanning technique” for laser treatment of port-wine stain

✍ Scribed by Serge R. Mordon; Guy Rotteleur; Bruno Buys; Jean Marc Brunetaud

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
712 KB
Volume
9
Category
Article
ISSN
0196-8092

No coin nor oath required. For personal study only.

✦ Synopsis

Photocoagulation using the argon laser has been proven to be an effective method for the treatment of port-wine stains (PWS). However, it is very difficult to reproduce the parameters of laser treatment. This leads to inaccurate energy dosages secondary to the difference in treatment patterns. The aim of this study was to compare the conventional point-by-point technique (PT) for PWS treatment against a new scanning technique (ST) using a device called "Hexascan" (PREIN & Partners, Ferney-Voltaire, France). A total of 249 patients (171 females and 78 males) using the argon laser have been studied in a retrospective study. Clinical results are presented.

For each technique, blanching and hypertrophic scarring were examined. The results are classified into two groups: satisfactory and unsatisfactory. The clinical results show that the ST with the Hexascan is superior to the conventional PT. Scarring is drastically reduced because overdosage and overheating are avoided. Because of precisely controlled spot patterns, quality and homogeneity of blanching is improved. Treatment time can be reduced to 20% of that of the PT.

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