Serial Injections of Cryopreserved Fat at -196°C for Tissue Rejuvenation, Scar Treatment, and Volume Augmentation

06 Oct 2020

Masanori Ohashi, Akihiko Chiba, Hirokazu Nakai, Etsu Fukuda, Takao Higuchi


Background: Fat grafting has become popular since the first report of structural fat grafting in 2001. Fat grafting is effective not only for volume augmentation but also for tissue revitalization. However, fat harvesting is necessary before fat grafting can be performed. Therefore, the performance of serial fat injections is very challenging when treating such patients.

Methods: From August 2015 to March 2017, we investigated 219 patients who underwent fat grafting using the fat that had already been cryopreserved at -196°C.

Results: Follow-up ranged from 3 months to 2 years. No complications occurred, and all outcomes were satisfactory. Three representative cases were also reviewed.

Conclusions: The cryopreserved fat at -196°C could be served as a useful method for serial fat grafting for clinical use; however, further research involving longer follow-up and pathological findings are needed.


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