國家衛生研究院 NHRI:Item 3990099045/14690
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    題名: The efficacy of vancomycin-loaded biphasic calcium phosphate bone substitute in the promotion of new bone growth and the prevention of postoperative infection
    作者: Wang, SY;Yao, RB;Yang, KS;Liang, HC;Su, CY;Fang, HW;Lim, SW
    貢獻者: Institute of Biomedical Engineering and Nanomedicine
    摘要: Background: Due to the increasing need for suitable alternatives to bone grafts, artificial bones made of biphasic calcium phosphate (BCP) are currently being extensively researched. These porous bone substitutes have also demonstrated considerable incorporation with the host bone, and new bone is able to grow within the porous structure. They therefore offer a potential therapeutic approach for bone defects.Methods: Vancomycin-loaded Bicera (TM), a BCP bone substitute, was investigated in order to prevent implant-associated osteomyelitis and postoperative infection after orthopedic surgery. The loading capacity of Bicera (TM) was measured to understand its potential antibiotic adsorption volume. An antibiotic susceptibility test was also carried out to analyze the effect of Bicera (TM) loaded with different concentrations of vancomycin on the growth inhibition of methicillin-resistant Staphylococcus aureus (MRSA). Vancomycin-loaded Bicera (TM) was implanted into rabbits with bone defects, and general gross, radiographic, and histological evaluation was undertaken at 4, 12, and 24 weeks after implantation.Results: The maximum loading capacity of vancomycin-loaded Bicera (TM) was 0.9 ml of liquid regardless of the vancomycin concentration. Antibiotic susceptibility tests showed that vancomycin-loaded Bicera (TM) inhibited the growth of MRSA for 6 weeks. In addition, animal studies revealed that new bone grew into the vancomycin-loaded Bicera (TM). The percentage of new bone formation from 4 to 24 weeks after implantation increased from 17% to 36%.Conclusion: Vancomycin-loaded Bicera (TM) could effectively inhibit the growth of MRSA in vitro. It was found to incorporate into the host bone well, and new bone was able to grow within the bone substitute. The results of this study indicate that vancomycin-loaded Bicera (TM) is a potential bone substitute that can prevent implant-associated osteomyelitis and postoperative infection.
    日期: 2022-11-01
    關聯: Frontiers in Bioengineering and Biotechnology. 2022 Nov 01;10:Article number 988436.
    Link to: http://dx.doi.org/10.3389/fbioe.2022.988436
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2296-4185&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000885271800001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85142145669
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