长脉宽755nm紫翠宝石激光治疗雀斑的疗效观察

目的观察长脉宽755nm紫翠宝石激光治疗雀斑的疗效及安全性。方法119例雀斑患者接受长脉宽755nm激光治疗，共治疗1～2次，治疗间隔4周。术后4周、1年和2年复诊或电话随访，观察疗效和不良反应。结果119例患者中1次治疗有效率为79．8％（95例），2次治疗后有效率为98．3％（117例）。所有患者术后反应轻微，且均无永久色素改变、瘢痕、皮肤质地改变、创面感染及其他严重不良反应。结论长脉宽755nm激光治疗雀斑疗效肯定，且较为安全。

Clinical observation of long-pulsed 755 nm alexandrite laser in the treatment of freckle

Objective To observe the clinical efficacy of long-pulsed 755 nm alexandrite laser in the treatment of freckle. Methods We treated 119 patients with freckle by using long-pulsed 755 nm alexandrite laser. Cases were follow-up visited 4 weeks, 1 year and 2 years after every treatment. The efficacy and side effects were observed. Results We got 95 excellence cases （79.8%） after 1 treatment and 117 excellence cases （98.3%） after 2 treatments. Side effects of all patients were light. No permanent pigment alteration, scar, skin texture change, infection and other serious side effects occurred. Conclusion Long-pulsed 755 nm alexandrite laser is an effective and safe method in the treatment of freckle.