• 1. Department of Vascular Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P. R. China;
  • 2. School of Clinical Medicine, North Sichuan Medical College, Nanchong, Sichuan 637000, P. R. China;
  • 3. Department of Vascular Surgery, Affiliated Changhai Hospital, Naval Medical University, Shanghai 200433, P. R. China;
CHEN Jingquan, Email: chenjingquan@nsmc.edu.cn
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Objective To review the research status of anti-infective graft materials and analyze their application prospects, in order to provide inspiration for the development of anti-infective vascular endograft. Method The research on endovascular anti-infective grafts at home and abroad was reviewed. Results The anti-infective capability of endovascular graft could be achieved through main approaches like modification of the bulk material, surface modification, or a combination of both. In terms of bulk material modification, this paper delved into the creation of antibacterial composite materials by incorporating other materials into primary materials like metals (such as Mg, Zn), biologically derived materials (such as chitosan, silk fibroin, bacterial cellulose), and synthetic polymers (such as graphene and its derivatives, polyurethane, polylactic acid). Examples included Mg-Nd-Zn-Zr alloy, bacterial cellulose/chitosan nanocrystal composites, and chitosan/silk fibroin composites. For surface modifications, inorganic coatings (such as silver, copper, and nitrides) and organic coatings (such as antibiotics, antimicrobial peptides, and anti-infection polymers) had shown promising antibacterial effects in experiments. Conclusions The future research focus is how to synthesize the composite graft material with the mechanical properties of ordinary graft and the cell, blood compatibility and antibacterial properties through nano technology. At the same time, how to synthesize coatings with stable long-term anti-infection and anti-bacterial biofilm performance is also considered to be an important direction of future research.

Citation: YANG Ruirui, CAO Youwen, LIANG Taiping, MA Jiangtao, ZHOU Jian, CHEN Jingquan. Review on research of new materials for anti-infective vascular endograft. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2024, 31(2): 243-249. doi: 10.7507/1007-9424.202308011 Copy

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