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首页> 外文期刊>Dermatologic surgery >Cryolipolysis for noninvasive fat cell destruction: initial results from a pig model.
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Cryolipolysis for noninvasive fat cell destruction: initial results from a pig model.

机译:用于非侵入性脂肪细胞破坏的低温脂解:来自猪模型的初步结果。

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摘要

BACKGROUND: Liposuction is one of the most frequently performed cosmetic procedures in the United States, but its cost and downtime has led to the development of noninvasive approaches for adipose tissue reduction. OBJECTIVE: To determine whether noninvasive controlled and selective destruction of fat cells (Cryolipolysis) can selectively damage subcutaneous fat without causing damage to the overlying skin or rise in lipid levels. METHODS: Three Yucatan pigs underwent Cryolipolysis at 22 sites: 20 at cooling intensity factor (CIF) index 24.5 (-43.8 mW/cm(2)), one at CIF 24.9 (-44.7 mW/cm(2)), and one at CIF 25.4 (-45.6 mW/cm(2)). Treated areas were evaluated using photography, ultrasound, and gross and microscopic pathology. Lipids were at various times points. One additional pig underwent Cryolipolysis at various days before euthanasia. RESULTS: The treatments resulted in a significant reduction in the superficial fat layer without damage to the overlying skin. An inflammatory response triggered by cold-induced apoptosis of adipocytes preceded the reduction in the fat layer. Evaluation of lipids over a 3-month period following treatment demonstrated that cholesterol and triglyceride values remained normal. CONCLUSIONS: Cryolipolysis is worthy of further study because it has been shown to significantly decrease subcutaneous fat and change body contour without causing damage to the overlying skin and surrounding structures or deleterious changes in blood lipids.
机译:背景:抽脂术是美国最常进行的美容手术之一,但其成本和停机时间已导致开发用于减少脂肪组织的非侵入性方法。目的:确定脂肪细胞的非侵入性控制和选择性破坏(Cryolipolysis)是否可以选择性破坏皮下脂肪,而不会引起上层皮肤的损害或脂质水平的升高。方法:三只尤加坦猪在22个部位进行了低温脂解:20个在冷却强度因子(CIF)指数24.5(-43.8 mW / cm(2)),1个在CIF 24.9(-44.7 mW / cm(2))和1个在CIF 24.9(-44.7 mW / cm(2))。 CIF 25.4(-45.6 mW / cm(2))。使用摄影,超声以及肉眼和微观病理学评估治疗区域。脂质在不同时间点。在安乐死之前的不同天,对另一头猪进行低温脂肪分解。结果:这些治疗方法可显着减少浅表脂肪层,而不会损害上层皮肤。在脂肪层减少之前,由冷诱导的脂肪细胞凋亡引发的炎性反应。治疗后3个月内的脂质评估显示胆固醇和甘油三酯值保持正常。结论:低温脂解值得进一步研究,因为它已被证明可以显着减少皮下脂肪并改变身体轮廓,而不会引起对上层皮肤和周围结构的损害或血脂的有害变化。

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