S Fenniche, A Zaouak, E Bouattour, N Kerkeni, H Bellali, A Chamli, H Hammami
{"title":"同时发射波长为 755 nm 的 LP 紫翠宝石和波长为 1064 nm 的 LP Nd:YAG 激光进行腋毛脱除：对两种激光单独使用和双模式使用的前瞻性比较评估。","authors":"S Fenniche, A Zaouak, E Bouattour, N Kerkeni, H Bellali, A Chamli, H Hammami","doi":"10.1080/14764172.2024.2379402","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Alexandrite laser is more adapted for lighter hair but not for darker skin, while the Nd:YAG laser is more suitable for darker skin but not for lighter hair.</p><p><strong>Objective: </strong>To evaluate both laser used as single treatment and in simultaneous emission for axillary hair removal.</p><p><strong>Method: </strong>Ten patients (18-40 years old) were selected for this study. The spot size and pulse time were kept constant for all patients, 14 mm and 5 ms, respectively. The fluences were 20 to 28 J/cm<sup>2</sup>, 16 to 25 J/cm<sup>2</sup>, and 14-8 J/cm<sup>2</sup> to 25-13 J/cm<sup>2</sup> for Nd:YAG, alexandrite and the combined alex/YAG, respectively. Three treatment sessions were performed at 6-week interval, and patients were reviewed 4 months after the last session.</p><p><strong>Results: </strong>The median number of hairs reduced from 46.00 to 33.00 (<i>p</i> = .022) for alexandrite, from 44.50 to 30.00 (<i>p</i> = .02) for Nd:YAG and from 56.00 to 19.50 (<i>p</i> = .005) for alexandrite-Nd:YAG, equivalent to 46.70%, 27.74% and 70.12% median hair reduction, respectively.</p><p><strong>Conclusions: </strong>The simultaneous emission of both 755 nm and 1064 nm Nd:YAG laser is significantly more effective than a single laser treatment. Future studies are needed to confirm the good results of this innovative technique.</p>","PeriodicalId":54852,"journal":{"name":"Journal of Cosmetic and Laser Therapy","volume":null,"pages":null},"PeriodicalIF":1.2000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Axillary hair removal with simultaneous emission of LP alexandrite 755 nm and LP Nd:YAG 1064 nm: a prospective comparative evaluation of both lasers used individually and in dual mode.\",\"authors\":\"S Fenniche, A Zaouak, E Bouattour, N Kerkeni, H Bellali, A Chamli, H Hammami\",\"doi\":\"10.1080/14764172.2024.2379402\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Alexandrite laser is more adapted for lighter hair but not for darker skin, while the Nd:YAG laser is more suitable for darker skin but not for lighter hair.</p><p><strong>Objective: </strong>To evaluate both laser used as single treatment and in simultaneous emission for axillary hair removal.</p><p><strong>Method: </strong>Ten patients (18-40 years old) were selected for this study. The spot size and pulse time were kept constant for all patients, 14 mm and 5 ms, respectively. The fluences were 20 to 28 J/cm<sup>2</sup>, 16 to 25 J/cm<sup>2</sup>, and 14-8 J/cm<sup>2</sup> to 25-13 J/cm<sup>2</sup> for Nd:YAG, alexandrite and the combined alex/YAG, respectively. Three treatment sessions were performed at 6-week interval, and patients were reviewed 4 months after the last session.</p><p><strong>Results: </strong>The median number of hairs reduced from 46.00 to 33.00 (<i>p</i> = .022) for alexandrite, from 44.50 to 30.00 (<i>p</i> = .02) for Nd:YAG and from 56.00 to 19.50 (<i>p</i> = .005) for alexandrite-Nd:YAG, equivalent to 46.70%, 27.74% and 70.12% median hair reduction, respectively.</p><p><strong>Conclusions: </strong>The simultaneous emission of both 755 nm and 1064 nm Nd:YAG laser is significantly more effective than a single laser treatment. Future studies are needed to confirm the good results of this innovative technique.</p>\",\"PeriodicalId\":54852,\"journal\":{\"name\":\"Journal of Cosmetic and Laser Therapy\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.2000,\"publicationDate\":\"2024-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Cosmetic and Laser Therapy\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1080/14764172.2024.2379402\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/7/18 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q3\",\"JCRName\":\"DERMATOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Cosmetic and Laser Therapy","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1080/14764172.2024.2379402","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/7/18 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"DERMATOLOGY","Score":null,"Total":0}
Axillary hair removal with simultaneous emission of LP alexandrite 755 nm and LP Nd:YAG 1064 nm: a prospective comparative evaluation of both lasers used individually and in dual mode.
Background: Alexandrite laser is more adapted for lighter hair but not for darker skin, while the Nd:YAG laser is more suitable for darker skin but not for lighter hair.
Objective: To evaluate both laser used as single treatment and in simultaneous emission for axillary hair removal.
Method: Ten patients (18-40 years old) were selected for this study. The spot size and pulse time were kept constant for all patients, 14 mm and 5 ms, respectively. The fluences were 20 to 28 J/cm2, 16 to 25 J/cm2, and 14-8 J/cm2 to 25-13 J/cm2 for Nd:YAG, alexandrite and the combined alex/YAG, respectively. Three treatment sessions were performed at 6-week interval, and patients were reviewed 4 months after the last session.
Results: The median number of hairs reduced from 46.00 to 33.00 (p = .022) for alexandrite, from 44.50 to 30.00 (p = .02) for Nd:YAG and from 56.00 to 19.50 (p = .005) for alexandrite-Nd:YAG, equivalent to 46.70%, 27.74% and 70.12% median hair reduction, respectively.
Conclusions: The simultaneous emission of both 755 nm and 1064 nm Nd:YAG laser is significantly more effective than a single laser treatment. Future studies are needed to confirm the good results of this innovative technique.
期刊介绍：
A unique journal that focuses on the application of cosmetic laser and light therapies on the skin. The Journal of Cosmetic & Laser Therapy provides a forum for stimulating and up-to-date studies demonstrating the wide range of therapeutic options for clinicians and surgeons involved in cosmetic and dermatological treatment.
The journal is aimed at dermatologists, cosmetic surgeons, plastic and facial plastic surgeons, oculoplastic surgeons and all those interested in the rapidly expanding field of cosmetic and laser therapy.
Features include:
-Cosmetic surgery, including facial rejuvenation, hair removal and skin resurfacing
-Use of lasers and other light sources for cosmetic and dermatological treatment
-Applications of peeling agents, fillers, injectables, implants and other cosmetic modalities
-Topical treatments
-Practical tips and safety issues
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