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Fat Graft Replacement for Reducing Implant Size May Decrease Radiotherapy-Related Complications in Prepectoral
Aesthetic Surgery Journal
|August 19, 2025
Summary
Autologous fat grafting significantly reduces complications in expander-to-implant breast reconstruction after radiotherapy. This technique improves outcomes by thickening flaps and reducing implant volume, leading to fewer adverse events.
Area of Science:
- Plastic Surgery
- Breast Reconstruction
- Autologous Fat Grafting
Background:
- Radiotherapy in breast reconstruction leads to high complication rates.
- Expander-to-implant techniques require improvement to mitigate these risks.
Purpose of the Study:
- To reduce complications in expander-to-implant breast reconstruction.
- To utilize autologous fat grafting to enhance mastectomy flaps and partially replace implant volume.
Main Methods:
- Study included patients undergoing immediate pre-pectoral expander-to-implant breast reconstruction.
- Fat graft group received two fat grafting sessions post-radiotherapy to reduce implant volume.
- Control group had no additional intervention.
Main Results:
- The fat graft group showed significantly lower rates of wound dehiscence, skin necrosis, infection, implant loss, rippling, and capsular contracture (P < 0.05).
- Outcomes were improved despite similar baseline characteristics and reconstructive protocols between groups.
Conclusions:
- Autologous fat grafting before implant exchange substantially reduces complications in pre-pectoral breast reconstruction.
- This approach offers a superior alternative to standard implant exchange without fat grafting.

