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首页> 外文期刊>Dermatologic surgery >Comparison of Nonablative Fractional Erbium Laser 1,340 nm and Microneedling for the Treatment of Atrophic Acne Scars: A Randomized Clinical Trial
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Comparison of Nonablative Fractional Erbium Laser 1,340 nm and Microneedling for the Treatment of Atrophic Acne Scars: A Randomized Clinical Trial

机译：1,340 nm非烧蚀性al激光和微针治疗萎缩性痤疮疤痕的比较：一项随机临床试验。

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BACKGROUNDThe efficacy and safety of nonablative fractional laser for acne scars treatment has been described in several studies. Recently, microneedling treatment has been showing promising results with lower costs, quick healing time, and low risk of postinflammatory hyperpigmentation (PIH).OBJECTIVETo compare the effectiveness and safety of nonablative fractional erbium laser 1,340 nm and microneedling for the treatment of facial atrophic acne scars.METHODSForty-six patients with atrophic facial acne scars were randomized to microneedling and laser groups, receiving 3 sessions performed monthly. Two blinded dermatologists applied the validated Quantitative Global Grading System for Postacne Scarring scale, before, 2 months, and 6 months after the treatment. Side effects were recorded at each follow-up visit and patient's satisfaction was evaluated.RESULTSBoth groups showed a significant improvement, and there was no statistically significant difference between results of both therapies (p = .264). The erythema after each session was longer in the laser group and 13.6% subjects experienced PIH. No PIH was observed in the microneedling group.CONCLUSIONThis study shows that both nonablative fractional laser 1,340 nm and microneedling are comparable and effective in the treatment of atrophic acne scars. Microneedling is well tolerated, with fewer side effects and lower down time.
机译：背景技术在一些研究中已经描述了非烧蚀性分数激光治疗痤疮疤痕的功效和安全性。近年来，微针治疗已显示出有希望的结果，其成本更低，愈合时间更快，发炎后色素沉着（PIH）的风险较低。目的比较非烧蚀性al激光1,340 nm和微针治疗面部萎缩性痤疮疤痕的有效性和安全性方法将46例萎缩性面部痤疮疤痕患者随机分为微针和激光治疗组，每月接受3次治疗。两名不知情的皮肤科医生在治疗前，治疗后2个月和治疗6个月后应用了经过验证的痤疮后疤痕定量全球评分系统。每次随访就记录副作用，并评估患者的满意度。结果两组均显示出显着改善，两种疗法的结果之间差异无统计学意义（p = .264）。激光组每次疗程后的红斑较长，有13.6％的受试者经历了PIH。结论：本研究表明，非烧蚀性分级激光1,340 nm和微针在治疗萎缩性痤疮疤痕方面具有可比性和有效性。微针耐受性好，副作用少，停机时间短。

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