Abstract
The advantages of prophylaxis with intraosseous regional administration (IORA) of vancomycin for periprosthetic joint infection (PJI) in primary and revision total knee arthroplasty (TKA) include the ability to deliver antibiotics directly to the surgical bed and avert systemic delivery; the ability to precisely time and quickly administer vancomycin to achieve the highest concentrations at the beginning and throughout the surgical procedure; and the ability to avert several common and potentially serious adverse effects of intravenous vancomycin. Indications for IORA of vancomycin prophylaxis include the following clinical scenarios: revision TKA; obesity; diabetes; beta-lactam allergy; known colonization with methicillin-resistant Staphylococcus aureus (MRSA); individuals coming from institutions with a high MRSA incidence; previous ligamentous surgical procedure or osteotomy; current or recent smokers; in the primary TKA setting if the individual is considered high-risk as defined by the criteria above; and during reimplantation following 2-stage exchange for PJI.
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