Single-Stage Revision Total Knee Arthroplasty Effective in Treating Periprosthetic Joint Infection

Strategic Insights -

Single-stage revision total knee arthroplasty (TKA) has been found to be an effective alternative to two-stage revision for treating periprosthetic joint infection (PJI) following TKA. Research comparing medical complications, hospital readmissions, and failure between one- and two-component single-stage revision TKA for PJI found that patients with one-component exchanges had increased odds of readmission at 90 days and six months due to infection. Patient selection for revision TKA for PJI should include evaluation of all comorbidities to avoid medical readmissions with infection.

Key Takeaways:

  • A large national database was queried for patients who underwent single-stage revision TKA for PJI, with 3,974 one-component and 3,974 two-component exchanges.
  • One-component exchanges had significantly increased odds of readmission at 90 days with the diagnosis of infection (odds ratio [OR]: 5.3, confidence interval [CI]: 4.3 to 6.5) and six months (OR 4.9 [CI: 4.0 to 5.9]; P
  • Patient selection for revision TKA for PJI should include evaluation of all comorbidities to avoid medical readmissions with infection.
  • The study found that one-component exchanges were associated with a higher risk of readmission due to infection, indicating a need for careful patient selection.
  • The study's findings suggest that single-stage revision TKA can be an effective treatment for PJI following TKA, but careful patient selection and management are crucial to minimize the risk of complications.
  • The study's conclusions highlight the importance of evaluating all comorbidities in patients undergoing revision TKA for PJI to prevent medical readmissions with infection.
  • The study's authors note that patient selection should be optimally done to avoid increased odds of readmission, indicating the need for personalized treatment approaches.

Statistics:

  • 3,974 one-component exchanges were analyzed in the study.
  • 3,974 two-component exchanges were analyzed in the study.
  • The one-component exchanges had significantly increased odds of readmission at 90 days with the diagnosis of infection (odds ratio [OR]: 5.3, confidence interval [CI]: 4.3 to 6.5).
  • The one-component exchanges had significantly increased odds of readmission at six months with the diagnosis of infection (OR 4.9 [CI: 4.0 to 5.9]; P

Sources:

  • One- Versus Two-Component Single-Stage Exchange Total Knee Arthroplasty for Periprosthetic Joint Infections: Medical Complications, Hospital Readmissions, and Failures. The Journal of Arthroplasty, 2025.
  • The Journal of Arthroplasty can be contacted at: Churchill Livingstone Inc Medical Publishers, Curtis Center, Independence Square West, Philadelphia, PA 19106-3399, USA.
  • Siddhartha C. Kalala, Plancher Orthopaedics & Sports Medicine, New York, New York.