Aesthet Surg J:体外扩张器(EVE)辅助自体脂肪移植隆胸研究

2022-07-02 医路坦克 MedSci原创

最近有研究表明体外扩张器(EVE)辅助下的脂肪移植是有效和安全的,EVE可以促进脂肪移植的体积保持,本文就该研究进行概述。

最近有研究表明EVE辅助下的脂肪移植是有效和安全的。临床和基础研究都表明,EVE可以促进脂肪移植的体积保持EVE的机制有3个要素。首先,EVE通过激活缺氧诱导因子1a/血管内皮生长因子诱导缺血,随后在受体部位进行血管生成。第二,EVE通过水肿扩大细胞外空间,从而增加受体部位对移植的适宜性,减少与压力有关的缺血风险。第三,EVE通过诱导脂肪生成来提高脂肪移植的存活率。然而,目前在抽吸压力、每天使用的时间长度、循环时间和术后使用的需要方面,还没有建立起通用的指导原则

在临床上,我们告诉一些患者在接受脂肪移植前使用EVE。然而,我们发现相当一部分患者群体的依从性较差,并出现局部皮肤瘙痒等症状。因此,我们对Gao等人报告的使用EVE的适应症感兴趣。此外,作者使用三维成像测量了本研究中所有患者的乳房体积。他们发现232名患者(76.01%)的乳房体积增加了150至250毫升或超过250毫升,66名患者(21.64%)的乳房体积增加了50至149毫升,7名患者(2.30%)的乳房体积增加少于50毫升。我们建议作者提供更多关于脂肪移植体积保留的具体数据,以便更简洁明了地介绍EVE辅助下的自体脂肪移植隆胸的疗效。体积保持率是一个通用参数,使用它有利于与其他研究的数据进行比较。

作者没有报告任何并发症,如明显的脂肪液化、感染和脂肪栓塞。我们对结节和钙化的发生率感兴趣,因为这些数据为EVE的安全性提供了证据。根据文献和我们的临床实践,结节在使用巨量脂肪移植的隆胸手术中是不可避免的。一方面,小的、无症状的、根深蒂固的(无法摸到的)结节可能不需要手术干预,在随访中可以忽略不计。另一方面,脂肪移植经历了一个持续数年的动态重塑过程。因此,由于随访时间有限(平均16.5个月;范围12-31个月),有后续并发症的患者可能已经转向其他医生,导致本研究出现偏差。

由于缺乏非EVE辅助的自体脂肪移植隆胸的对照组,使得该研究的说服力降低。尽管如此,作者的研究为EVE辅助下的自体脂肪移植隆胸的现有研究增加了临床证据。

文献来源:  Sun Z,  Zhao H,Thoughts on External Volume Expander (EVE)-assisted Autologous Fat Grafting for Breast Augmentation.Aesthet Surg J 2022 Apr 22;

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    2022-12-07 lsj637
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