130 24 Hour In Vivo Intra-Articular Antibiotic Concentrations Fall Below the Minimum Inhibitory Concentration for Most Bacteria following Primary Total Knee Arthroplasty: A Prospective, Randomized Study of Commercially Available Bone Cement

134 Commercial Synovial Antigen Testing is Not Superior to Traditional Culture for the Diagnosis of Periprosthetic Joint Infection

135 Accuracy of Synovial White Blood Cell Count and Differential in Predicting Failure following Reimplantation

e117 Plasma D-Dimer is a Promising Screening Test for Culture-Negative Periprosthetic Joint Infection

e118 Outcome of Treatment of Polymicrobial Periprosthetic Joint Infection: A Multi-Institutional Study