Nanofat Injection for the Treatment of Depressed Facial Scars

Abstract

Background

Patients with depressed facial scars complain of their negative effects. However, the efficacy of optional treatment techniques is never completely adequate. This study aimed to assess the efficacy of nanofat injection in the improvement of depressed facial scars.

Methods

This retrospective study included patients who underwent depressed facial scar filling with nanofat between November 2017 and January 2020. The FACE-Q scale was sent to patients for feedback regarding satisfaction. Evaluations of the results were also performed by three plastic surgeons.

Results

Among the 52 included patients, 44 patients (29 women and 15 men) completed the questionnaire. Obvious and stable effects were usually acquired 3 months after surgery. Temporary erythema appeared at the injection site to varying degrees, lasting 2 to 3 weeks in 93% of the patients. No other serious postoperative complications were observed in the injection area. The FACE-Q outcomes showed that patients who completed injection therapy more than 1 year prior were significantly more satisfied with the decision to undergo this therapy than those who completed the treatment less than 1 year prior. Furthermore, according to the physicians’ evaluations, 91% of patients experienced improvement in scar appearance after treatment.

Conclusions

The low rate of injection-site complications and the safety of this procedure both support the current implementation of nanofat in the treatment of depressed facial scars. The results of the physicians’ evaluations and patient satisfaction surveys confirmed the stable effect of nanofat injection in the treatment of depressed facial scars.

Level of Evidence IV

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Correspondence to Hu Jiao.

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All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by the ethics committee of our hospital.

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Informed consent was obtained from the patients to publish the images. Written informed consent was obtained from patients who participated in the follow-up study.

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Huang, R., Jiao, H., Fan, J. et al. Nanofat Injection for the Treatment of Depressed Facial Scars. Aesth Plast Surg (2021). https://doi.org/10.1007/s00266-021-02178-7

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Keywords

  • Nanofat grafting
  • Depressed scar
  • Autograft