, Volume 35, Issue 6, pp 1022-1030
Date: 30 Apr 2011

Autologous Cell-Enriched Fat Grafting for Breast Augmentation

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Abstract

Autologous fat grafting for breast augmentation has faced some historical hurdles. However, in recent years it has been gaining acceptance from the medical community. This prospective, nonrandomized open-label study of 20 Japanese women supports the use of autologous fat grafting in breast augmentation and explores enhancement of fat graft tissue with autologous adipose-derived regenerative cells (ADRCs). After adipose harvesting using syringe liposuction, the tissue is processed in the Celution 800 System®, which washes the graft and isolates ADRCs. The average cells per gram of harvested adipose tissue was 3.42 × 105, and the mean cell viability measured using an automated cell counting system before graft delivery was 85.3%. All patients demonstrated improvement in circumferential breast measurement (BRM) from their baseline state, and breast measurements were stable by 3 months after surgery. The mean BRM 9 months after surgery had increased 3.3 cm from preoperative measurements. Through 9 months, overall physician satisfaction was 69% and patient satisfaction was 75%. No serious or unexpected adverse events were reported, and the procedure was safe and well tolerated in all patients. Postoperative cyst formation was seen in two patients. These prospective results demonstrate that ADRC-enriched fat grafts processed with a closed automated system maintain high cell viability and that the procedure is safe and effective, with all patients showing improvement after a single treatment.