Q开关Nd:YAG激光低能量祛除21例文身疗效观察

目的:探讨Q开关Nd:YAG激光多次低能量祛除文身的临床疗效观察。方法:临床选取21例文身患者,治疗采用自身对比:A区为试验区,使用Q开关1064nm波长激光,光斑直径4～6mm,能量密度为2.0～4.0J/cm2,平行均匀照射1遍,术后即刻反应皮损变白霜,无皮肤出血点,每天治疗1次,连续治疗3～4次;B区为对照区,使用Q开关1064nm波长激光,光斑直径3～4mm,能量密度为5.0～8.0J/cm2,均匀照射1遍,即刻反应皮损灰白或皮肤出血。两组病例均于术后6个月观察疗效。结果:术后6个月观察,试验区:治愈9例(42.8%),显效12例(57.2%),无瘢痕形成;对照区:治愈3例(14%),显效5例(24%),好转13例(62%),2例(9.5%)出现轻度增生性瘢痕。结论:采用Q开关Nd:YAG激光多次低能量治疗文身的方法可加快文身消退病程,减少文身治疗中能量密度过大形成瘢痕或色素脱失的风险,为文身治疗提供一种新的治疗方法。

Application of the multiple low-energy Q-switched laser for the treatment of tattoos in 21 cases

Objective To evaluate the efficacy of multiple low-energy Q switched laser treatment for tattoo patients.Methods 21 patients(skin typeIV-V,mean age 21.4) with tattoos were enrolled,and the tattoo lesions were divided into two parts on one person.: Lesions in part A(the experimental group) were treated with Q-switched laser(wavelength 1064nm,spotsize 4～6mm,fluence 2.0～4.0J/cm2,pulse repetition rate 10 Hz).The lesions became white-frosting after irradiation.The treatment was performed once a day for 3 days.Lesions in part B(the control group) were treated with Q-switched laser(wavelength 1064nm,spotsize 3～4mm,fluence 5.0～8.0J/cm2,pulse repetition rate 10 Hz) for one session.The evaluation was performed 6 months after treatment.Results In group A,all cases achieved different degree of improvement :42.8% of the tattoos were cured,57.2% of the tattoos were excellent,without scar formation.In group B: all case achieved different degree of improvement :14.0% of the tattoos were cured,24.0% of the tattoos were excellent and 62.0% of them were improved.Slightly hypertrophic scar formation occurred to 2 cases in group B.Conclusion Application of the multiple low-energy Q-switched laser is effective and safe in the treatment of tattoos,and the side effects was rare,thereby it give a new choice for the patients with tattoos.