The effect of stromal vascular fraction and Platelet-Rich Plasma combination on basic Fibroblast Growth Factor serum level during anal trauma healing in a Wistar rat model

•The combination of SVFs and PRP is effective to increase the concentration of bFGF.•Administration of SVFS + PRP by injection was better at increasing the expression of bFGF than by placebo.•The combination of SVFs and PRP increases the level of bFGF in the healing process of anal trauma.