• 1. Teaching and Research Section of Dental Materials, Stomatologic Hospital & College, Anhui Medical University, Hefei 230032, P.R.China;
  • 2. Key Lab. of Oral Diseases Research of Anhui Province, Hefei 230032, P.R.China;
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Despite the continuous improvement in perioperative use of antibiotics and aseptic techniques, the incidence of infection continues to rise as the need for surgery increasing and brings great challenges to orthopedic surgery. The rough or porous structure of the prosthesis provides an excellent place for bacterial adhesion, proliferation and biofilm formation, which is the main cause of infection. Traditional antibiotic therapy and surgical debridement are difficult to determine whether the infected focus have been removed completely and whether the infection will recur. In recent years, nanotechnology has shown obvious advantages in biomaterials and drug delivery. Nano drug carriers can effectively achieve local antimicrobial therapy, prevent surgical infection by local sustained drug release or intelligent controlled drug release under specific stimuli, and reduce the toxic side effects of drugs. The unique advantages of nanotechnology provide new ideas and options for the prevention and treatment of periprosthetic infection. At present, the application of nano-technology in the prevention and treatment of infection can be divided into the addition of nano-drug-loaded materials to prosthesis materials, the construction of drug-loaded nano-coatings on the surface of prosthesis, the perfusable nano-antimicrobial drug carriers, and the stimulation-responsive drug controlled release system. This article reviews the methods of infection prevention and treatment in orthopaedic surgery, especially the research status of nanotechnology in the prevention and treatment of periprosthetic infection.

Citation: PAN Zhenyao, WANG Yan, LI Jiaojiao, CHEN Jialong. Application of nanodrug carriers in the prevention and treatment of infection around orthopedic prosthesis. Journal of Biomedical Engineering, 2019, 36(5): 862-869, 878. doi: 10.7507/1001-5515.201807032 Copy

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