138 Intrawound Vancomycin Powder in Primary Total Knee Arthroplasty: Does It Reduce Infection?

139 Comparing Surgical Site Infection Rate in Patients Undergoing Total Knee and Total Hip Arthroplasty after Povidone-Iodine or Saline Irrigation: A Large Retrospective, Propensity-Matched Cohort Study

140 Systemic Illness and Prosthetic Joint Infection: How Often Does Sepsis or Systemic Inflammatory Response Syndrome Occur and Do they Affect Debridement, Antibiotics, and Implant Retention Outcomes?

141 Similar Efficacy and Lower Cost Associated with Ceftazidime Compared to Tobramycin in Antibiotic Spacers

142 Antibiotic Resistance after Extended Oral Antibiotic Prophylaxis for Periprosthetic Joint Infection