Infection in Orthopaedics

Summary: Infection in orthopaedic trauma patients is a common problem associated with significant financial and psychosocial costs, and increased morbidity. This review outlines technologies to diagnose and prevent orthopaedic infection, examines implant-related infection and its management, and discusses the treatment of post-traumatic osteomyelitis. The gold standard for diagnosing infection has a number of disadvantages, and thus new technologies to diagnose infection are being explored, including multilocus polymerase chain reaction with electrospray ionization-mass spectrometry and optical imaging. Numerous strategies have been employed to prevent orthopaedic infection, including use of antibiotic-impregnated implant coatings and cement; however, further research is required to optimize these technologies. Biofilm formation on orthopaedic implants is attributed to the glycocalyx-mediated surface mode of bacterial growth and is usually treated through a secondary surgery involving irrigation, debridement and the appropriate use of antibiotics, or complete removal of the infected implant. Research into the treatment of post-traumatic osteomyelitis has focused on developing an optimal local antibiotic delivery vehicle, such as antibiotic-impregnated polymethylmethacrylate (PMMA) cement beads or bioabsorbable bone substitute (BBS) delivery systems. As these new technologies to diagnose, prevent and treat orthopaedic infection advance, the incidence of infection will decrease and patient care will be optimized.

 

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INTRODUCTION

The incidence of infection in orthopaedic trauma patients is high, ranging from 5% to 10% depending on the location and severity of the injury, and the type of fracture. Infection is associated with significant financial and psychosocial costs, and greater morbidity, and thus acquiring a thorough understanding of infection is warranted. This review will outline new technologies to diagnose and prevent orthopaedic infection, examine infection related to implants and how it can be managed, and finally it will discuss the treatment of post-traumatic osteomyelitis.

 

Source : Orthopaedic of Colorado University

 

 

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