Analysis on Efficacy of Q Switched Alexandrite Laser in Treating Naevus FuscocaerulesChinese Full Text
LI Yong-hong;ZHAO Xiao-yan;ZHANG Qi-guo;LIN Wei-jia;Department of Dermatology,Xiamen First Hospital,Affiliated Hospital of Xiamen University;
Abstract: Objective To investigate the clinical efficacy and adverse reactions of Q switched alexandrite laserin treating naevus fuscocaeruleus.Methods Altogether 140 patients of naveus fuscocaerules were treated with the Q switched alexandrite laser of a wavelength 755 nm,spot diameter of 2-3 mm,pulse width of 50-200 ns,pulse frequency of 1-10 Hz and energy density of 5-8 J /cm2. The relation between the treatment and efficacy was explored and studied for the patients having received 1-5 times of treatment and more treatments respectively.Results Given proper energy density,pulse width and beam of the Q switched alexandrite laser,the effective rates of the 140 patients were 25. 0%,49. 2%,80. 6%,88. 6% and 100. 0% respectively after 1-5 or more treatments. The efficacy after 3 or more treatments was greater than that after 2 or less treatments,and the difference was statistically significant（ P ＜ 0. 05）,indicating that treatment effect is in direct proportion to treatment number. The general adverse reaction rate was 6. 4%.Conclusions Being highly efficacious while leading to few adverse reactions,Q switched alexandrite laser is a safe and reliable method for nevus fuscocaeruleus.
Keywords：
- DOI：
10.13480/j.issn1003-9430.2014.0207
- Series：
- Subject：
- Classification Code：
R758.51
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