Diagnosis of Prosthetic Joint Infection of Hips and Knees-One Size Does Not Fit All

Anne Spichler-Moffarah1, Lauren Daddi2, Duc Nguyen1,3

  • 1Division of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA.

PubMed

Insights

Diagnosing periprosthetic joint infections (PJIs) lacks standardized criteria. This study found the Infectious Diseases Society of America (IDSA) criteria best for early knee PJI, while International Consensus Meeting 2018 (ICM2018) and European Bone and Joint Society (EBJIS) criteria excelled in later stages.

Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Medical Diagnostics

Background:

  • Periprosthetic joint infections (PJIs) are serious complications following hip and knee replacement surgery.
  • Current diagnostic criteria for PJIs lack universal consensus, leading to variability in diagnosis and treatment.
  • Accurate and timely diagnosis is crucial for effective management and improved patient outcomes.

Purpose of the Study:

  • To evaluate and compare the diagnostic accuracy of three prominent PJI criteria sets: Infectious Diseases Society of America (IDSA), International Consensus Meeting 2018 (ICM2018), and European Bone and Joint Society (EBJIS).
  • To determine which criteria perform best based on the timing of infection (early, delayed, late) and joint location (hip, knee).

Main Methods:

  • Retrospective analysis of a cohort of patients with suspected hip and knee PJIs.
  • Application and comparison of IDSA, ICM2018, and EBJIS diagnostic criteria to the patient data.
  • Statistical evaluation of the sensitivity, specificity, and overall accuracy of each criteria set.

Main Results:

  • The Infectious Diseases Society of America (IDSA) criteria demonstrated the highest accuracy for diagnosing early periprosthetic joint infections, particularly in knee cases.
  • The International Consensus Meeting 2018 (ICM2018) and European Bone and Joint Society (EBJIS) criteria showed superior performance in identifying delayed and late-stage periprosthetic joint infections.
  • Diagnostic accuracy varied significantly between criteria sets depending on the temporal presentation of the infection.

Conclusions:

  • No single set of diagnostic criteria is universally optimal for all periprosthetic joint infections.
  • Diagnostic strategies for PJIs should be tailored based on the suspected timing of infection and the affected joint.
  • Further research may be needed to refine or develop integrated diagnostic approaches for periprosthetic joint infections.