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Determination of Minimal Erythema Dose of Normal Skin to Ultraviolet Rays
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF DERMATOLOGY
- Issue:
- 2
- DOI:
- 10.3760/j.issn:0412-4030.2005.02.005
- Key Word:
- 最小红斑量;紫外线
Abstract： 目的测定118例志愿者长波紫外线(UVA)和中波紫外线(UVB)的最小红斑量(MED)正常值.方法以SUV1000型日光紫外模拟仪为光源,测定118例健康志愿者和非炎症性皮肤病患者UVA-MED和UVB-MED正常值.结果 UVA-MED均值男性为55J/cm2(18～95J/cm2),女性40J/cm2(15～100 J/cm2);UVB-MED均值男性31 mJ/cm2(12～95 mJ/cm2),女性29 mJ/cm2(8～95 mJ/cm2).男性UVA-MED显著高于女性(P＜0.05),UVB-MED两性间差异无统计学意义(P＞0.05).皮肤光反应类型为Ⅲ型的受试者UVA-MED和UVB-MED均显著低于Ⅳ型(两种类型皮肤UVA-MED:在男性、女性均P＜0.05;UVB-MED:在男性P＜0.05,女性P＜0.01).女性的年龄与MED值无关;30～49岁男性UVB-MED 低于其他年龄组,UVA-MED与年龄无关.遮光部位测得的UVA-MED和UVB-MED与户外停留时间长短无关.结论皮肤光反应类型是决定MED的重要因素.
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