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首页> 外文期刊>Journal of drugs in dermatology: JDD >Evaluation of the safety and efficacy of a novel 1440nm Nd:YAG laser for neck contouring and skin tightening without liposuction
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Evaluation of the safety and efficacy of a novel 1440nm Nd:YAG laser for neck contouring and skin tightening without liposuction

机译：新型1440nm Nd：YAG激光在不抽脂的情况下用于颈部轮廓和收紧皮肤的安全性和有效性的评估

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BACKGROUND: Laser lipolysis is a less invasive approach to neck rejuvenation than open surgery or liposuction. Wavelengths utilized for lipolysis liquefy fat and induce collagen remodeling, which tightens skin. A new Nd:YAG device has recently been developed that emits energy at a wavelength of 1440nm; this wavelength is more highly absorbed by adipose tissue and water than other wavelengths currently available. OBJECTIVE: To test the safety and efficacy of a pulsed 1440nm Nd:YAG wavelength and side-firing fiber for the treatment of subcutaneous fat and skin laxity associated with the aging neck. METHODS: Twenty-four subjects aged 40 to 65 years underwent laser lipolysis of the submental and anterior cervical areas. An average of 1205J per 5x5cm square was delivered, with a maximum internal temperature setting of 47 degrees C. Cervicomental Angle Score (CAS), Global Aesthetic Improvement Scale (GAIS), subject and investigator satisfaction, and safety were assessed. RESULTS: At six months post-treatment, 79% of subjects had a significant improvement in the CAS (P<.001) and 79% demonstrated an improvement on the GAIS. Clinical improvement was marked and evident for all but one subject, with physician and patient satisfaction scores indicating overall satisfaction with the procedure and outcomes. Adverse events were mild and transient with no incidence of burns, seromas, hematomas, infection, or nerve damage. CONCLUSION: The 1440nm Nd:YAG device with the side-firing fiber was safe and effective for the treatment of subcutaneous fat and skin laxity in the neck. This device offers an alternative to selected individuals aged 40 and over who do not wish to undergo rhytidectomy.
机译：背景：与开放式手术或吸脂术相比，激光脂解术是一种较不具侵入性的颈部修复方法。用于脂肪分解的波长会液化脂肪并引起胶原蛋白重塑，从而使皮肤紧绷。最近开发了一种新的Nd：YAG装置，该装置可以发射1440nm波长的能量。与目前可用的其他波长相比，该波长被脂肪组织和水吸收的程度更高。目的：测试脉冲1440nm Nd：YAG波长和侧面发射纤维治疗颈部衰老相关的皮下脂肪和皮肤松弛的安全性和有效性。方法：二十四名年龄在40至65岁之间的受试者接受了颈下和颈前区的激光脂解。每5x5cm正方形平均输送1205J，最高内部温度设置为47摄氏度。评估子宫颈角度评分（CAS），整体美学改善量表（GAIS），受试者和研究者的满意度以及安全性。结果：治疗后六个月，有79％的受试者的CAS有显着改善（P <.001），而有79％的受试者的GAIS有所改善。除一名受试者外，所有患者的临床进步均明显且明显，医师和患者的满意度得分表明对手术和结果的总体满意度。不良事件为轻度和短暂的，无烧伤，血清肿，血肿，感染或神经损伤的发生。结论：带有侧向发射纤维的1440nm Nd：YAG装置可安全有效地治疗颈部皮下脂肪和皮肤松弛。该设备为不希望进行除皱术的40岁及以上的特定患者提供了一种替代选择。

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