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- W4252169920 abstract "Abstract Background: Vacuum sealing drainage (VSD) and epidermal growth factor (EGF) both play an important role in the treatment of wounds. This study aims to explore the effect of the combination of VSD and EGF on wound healing and the optimal concentration and time of EGF. Methods: In this study, we tested the proliferation and migration capacity of HaCaT and L929 cells at different EGF concentrations (0, 1, 5, 10, and 100 ng/ml) and different EGF action times (2, 10, and 30min). A full-thickness skin defect model was established using male, 30-week-old Bama pigs. The skin defects were randomly divided follows: routine dressing change after covering with sterile auxiliary material (Control), continuous negative pressure drainage of the wound (VSD), continuous negative pressure drainage of the wound and injection of epidermal growth factor 10 minutes followed by removal by continuous lavage (V+E 10 min), and continuous negative pressure drainage of the wound and injection of epidermal growth factor 30 minutes followed by removal by continuous lavage (V+E 30 min). The wound healing rate, histological repair effect and collagen deposition were compared among the four groups. Results: An EGF concentration of 10 ng/ml and an action time of 10 minutes had optimal effects on the proliferation and migration capacities of HaCaT and L929 cells. The drug dispersion effect was better than drug infusion after bolus injection effect, and the contact surface was wider. Compared with other groups, the V+E 10min group promoted wound healing to the greatest extent and obtained the best histological score. Conclusions: A rhEGF concentration of 10 ng/ml can promote the proliferation and migration of epithelial cells and fibroblasts to the greatest extent in vitro . VSD combined with rhEGF kept in place for 10 minutes and then washed, can promote wound healing better than the other treatments in vivo ." @default.
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- W4252169920 date "2020-08-21" @default.
- W4252169920 modified "2023-09-24" @default.
- W4252169920 title "Recombinant human epidermal growth factor combined with vacuum sealing drainage for wound healing in Bama pigs" @default.
- W4252169920 doi "https://doi.org/10.21203/rs.3.rs-34277/v2" @default.
- W4252169920 hasPublicationYear "2020" @default.
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