Comparison of clinical outcomes between autologous fat grafting and platelet-rich plasma–enhanced fat grafting in breast reconstruction
Autologous fat grafting is commonly used in breast reconstruction due to its biocompatibility and ability to restore natural contours. However, unpredictable fat resorption often requires multiple procedures. Platelet-rich plasma (PRP) has been introduced as a biological enhancer to improve graft retention, but the evidence regarding its efficacy remains inconsistent. To systematically evaluate and compare the clinical and esthetic outcomes of PRP-enhanced autologous fat grafting versus fat grafting alone in breast reconstruction procedures. This meta-analysis included four clinical studies published between 2011 and 2024, encompassing a total of 242 female patients (108 in the PRP group and 134 in the fat-only group). Data were extracted on tumor grade, prior radiation therapy, number of grafting sessions, fat necrosis, and satisfaction levels. PRP-enhanced fat grafting demonstrated significantly better fat retention, with 66.1% of patients requiring only one grafting session compared to 44% in the control group (p=0.016). Surgeon and patient satisfaction scores were notably higher in the PRP group (p<0.05). However, the incidence of fat necrosis was elevated in the PRP group (39.25%) compared to the control group (24.7%, p=0.006), particularly in irradiated tissues. Subgroup analysis showed optimal outcomes in non-irradiated, centrally located graft sites and patients with Grade II tumors. PRP-enhanced autologous fat grafting significantly improves fat retention and overall satisfaction in breast reconstruction, especially in non-irradiated tissues. Nonetheless, the increased risk of fat necrosis warrants cautious application and further refinement in PRP preparation techniques and patient selection.
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