Clinical Report: Intraoperative Infection Assessment During Presumed Aseptic Hip and Knee Revision

Overview

This study evaluates the impact of routine intraoperative microbiological screening on implant survival in presumed aseptic hip and knee revision arthroplasties.

Background

Periprosthetic joint infection (PJI) is a significant complication in arthroplasty, affecting 1-2% of procedures. Accurate diagnosis is challenging due to the lack of a universally accepted definition and the frequent occurrence of negative cultures.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

• Up to 9.2% of patients undergoing presumed aseptic revisions present with at least one unexpected positive culture (UPC).
• Single positive cultures involving skin commensals may result from contamination rather than true infection.
• The prognosis for patients with UPCs remains controversial.
• No universally accepted thresholds or standardized management strategies exist for patients with UPCs.
• Post-operative management varies widely.

Clinical Implications

The findings suggest that routine intraoperative microbiological screening may identify unexpected infections in presumed aseptic revisions, potentially influencing post-operative management strategies. Clinicians should consider the implications of UPCs on patient outcomes and the need for tailored management approaches.

Conclusion

The study underscores the importance of evaluating routine microbiological screening in presumed aseptic revisions and its potential impact on implant survival and patient management.

Related Resources & Content

1. Assessing the Risk of Failure in Two-Stage Revision for Periprosthetic Joint Infection Following Cemented Total Hip Arthroplasty, Springer, 2022 -- Assessing the Risk of Failure in Two-Stage Revision for Periprosthetic Joint Infection Following Cemented Total Hip Arthroplasty
2. Culture Mismatch Common in Joint Infections, Conexiant -- Culture Mismatch Common in Joint Infections
3. The Role of Antibiotic-Infused Cement Spacers in Reducing Reinfection Risk Following Septic Two-Stage Hip Revision Surgery, Springer, 2017 -- The Role of Antibiotic-Infused Cement Spacers in Reducing Reinfection Risk Following Septic Two-Stage Hip Revision Surgery
4. Is Pre-Revision Aspiration of Hip and Knee Prosthetic Joints Necessary?
5. 2025 International Consensus Meeting Report on PJI
6. Is synovial calprotectin lateral flow test a reliable intraoperative biomarker for periprosthetic joint infection? A systematic review and meta-analysis
7. Postoperative antibiotic treatment does not lower re-revision rate in presumed aseptic hip and knee revision arthroplasties with unexpected positive intraoperative cultures - a matched cohort study