From Case Western Reserve University School of Medicine.
Plast Reconstr Surg. 2019 Jul;144(1):93-96. doi: 10.1097/PRS.0000000000005713.
Established creases and wrinkles do not predictably respond to the fat injection technique. The authors describe a minimally invasive yet simple technique to address recalcitrant facial rhytides and minor depressed scars. This technique optimally requires a concomitant procedure whereby suitable fat or dermis graft could be available for grafting without having to make another incision. However, if needed, the graft can be harvested from an easily concealed area such as postauricular sulcus. Preferably, dermis or a combination of fat and dermis is harvested in the form of strings using a pair of straight iris scissors. The sharp end of an 18-gauge needle is then used to create a tunnel in the subcutaneous plane beneath each line while releasing any fibrous bands. The string of dermis/fat is then engaged at the end of the 18-gauge needle and delivered into the subcutaneous tunnel with rotation and advancement of the needle. The authors have used this graft on 49 sites on 39 patients. The mean age of the patients was 57.6 years, with eight male and 31 female patients. The sites included rhytides in upper and lower lips, oral commissure, labial mental groove, and frown lines, and scars in the forehead, nasal dorsum, nasal tip, and eyebrows. String fat grafting is a simple and reliable method to address limited rhytides or depressed scars. CLINICAL QUESTION/LEVEL OF EVIDENCE:: Therapeutic, V.
已有的皱纹和折痕不能预测地对脂肪注射技术产生反应。作者描述了一种微创但简单的技术，用于解决顽固的面部皱纹和小的凹陷性疤痕。这种技术最理想的是需要同时进行一项合适的脂肪或真皮移植的程序，而无需再做另一个切口。然而，如果需要，移植可以从耳后沟等容易隐藏的区域获取。最好使用一对直虹膜剪刀以线的形式采集真皮或脂肪与真皮的混合物。然后，用 18 号针头的尖锐端在皮下平面下的每条线下方创建一个隧道，同时释放任何纤维带。然后将真皮/脂肪的线在 18 号针头的末端上，并通过旋转和推进针头将其输送到皮下隧道中。作者已经在 39 名患者的 49 个部位使用了这种移植物。患者的平均年龄为 57.6 岁，其中 8 名男性和 31 名女性。这些部位包括上唇和下唇、口角、唇颏沟和皱眉线的皱纹，以及额部、鼻背、鼻尖和眉毛的疤痕。线脂肪移植是一种简单可靠的方法，可用于解决有限的皱纹或凹陷性疤痕。临床问题/证据水平：治疗，V。
