Subcutaneous Injections of Nanofat Adipose-derived Stem Cell Grafting in Facial Rejuvenation.

Early human evidence such as case series or small samples is exploring possible benefits.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

We aimed to assess whether our novel Nanofat grafting procedure improves skin quality while yielding a regenerative effect and whether this novel technique can also achieve a lifting effect. Methods Patients who requested nonsurgical facial rejuvenation were enrolled between June 2018 and December 2018. Fat was aspirated from the medial thigh, inner part of the knee, or lower abdomen regions. Following aspiration and flushing, microfat was obtained after washing with saline. This microfat was emulsified to obtain a Nanofat suspension, which was injected using a 25-G cannula into the subcutaneous layer at different facial sites. Images were obtained before and at 1, 3, and 6 months after facial rejuvenation. Patients were also administered a survey. Characterization of the isolated stromal vascular fraction (3 patients), and before/after biopsies were performed. Results Fifty patients were included (2 men and 48 women; mean age, 35-65 years; mean follow-up, 9 months). The clinical results were apparent between 2 and 4 weeks after injection, and improvements were continuously observed until 6 months postoperatively. All patients confirmed an improvement in skin quality. A lifting effect was also observed. The data confirm that the Nanofat procedure does not damage cells, maintaining cell viability, and number of adipose-derived stem cells. Biopsies showed an increased dermal cell

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

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