Toward facial rejuvenation; A clinical trial to assess the efficacy of nano fat grafting on wrinkles.

Several human studies show positive signals, while research methods and sample sizes continue to develop.

• 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)

Introduction With increasing age, patients' facial volume decrease. For this reason, nano fat grafting has recently gained popularity as adjunctive treatment to facial rejuvenation procedures. However, few quantitative studies have been conducted to investigate the impact of nano fat on facial wrinkles. Aims In the present study, authors aim to investigate the therapeutic effect of intradermal injection of nano fat on fine facial wrinkles and assess their changes over 7 months of follow-up. Methods In this randomized trial, 15 patients with fine facial wrinkles were enrolled. The fat was harvested from the abdomen and processed into nano fat. Nano fat was injected into the facial wrinkles intradermally with a needle of 27 gauge. The patients were evaluated before and 7 months postinjection utilizing Visio face 1000D (CK electronic, manufactured in Germany); and four parameters of wrinkles (area, volume, depth, and percent area) were evaluated before and after the nano fat injection. Results Our evaluation with Visio face showed that nano fat injection was significantly reduced the volume, area, depth, and percent area of wrinkles after 7 months of follow-up without serious long-lasting adverse effects. Moreover, wrinkles with higher percent area, depth and volume loss show greater improvement after the treatment. Our results also indicate that males and females equally benefit

Evidence level

Several human studies show positive signals, while research methods and sample sizes continue to develop.

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