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Updated: Jan 13, 2026
Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
Published on: December 3, 2017
Staphylococcus aureus periprosthetic joint infection and its pathogenesis in total hip and knee arthroplasty: a
Fernando Diaz-Dilernia1, Noah Campagna2, Edward Vasarhelyi3
1Division of Orthopaedic Surgery, Department of Surgery, Kingston Health Sciences Centre, Queen's University, Kingston, Ontario, Canada.
Abstract:
Staphylococcus aureus is the most common pathogen in periprosthetic joint infections (PJIs), capable of biofilm formation and resistance mechanisms, complicating diagnosis and treatment. PJIs remain a leading cause of total joint arthroplasty failure and are associated with significant morbidity, mortality, and healthcare and economic burdens. Biofilm formation by S. aureus on prosthetic materials is central to PJI persistence and antibiotic resistance. Novel treatment strategies, including copper-coated implants, show promise as adjunct therapies but require further clinical validation.
Insights
Staphylococcus aureus causes most periprosthetic joint infections (PJIs), forming biofilms that resist treatment. Copper-coated implants offer a potential new strategy for combating these persistent infections.
Area of Science:
- Orthopedics
- Infectious Diseases
- Biomaterials Science
Background:
- Staphylococcus aureus is a primary cause of periprosthetic joint infections (PJIs).
- PJIs are a major reason for total joint arthroplasty failure, leading to high morbidity and costs.
- S. aureus biofilm formation on implants is key to PJI persistence and antibiotic resistance.
Purpose of the Study:
- To review the challenges posed by Staphylococcus aureus in PJIs.
- To explore novel therapeutic strategies for PJI management.
- To assess the potential of copper-coated implants as an adjunct therapy.
Main Methods:
- Literature review of S. aureus pathogenesis in PJIs.
- Analysis of biofilm formation mechanisms.
- Evaluation of emerging treatment modalities, including biomaterial innovations.
Main Results:
- S. aureus exhibits significant biofilm formation and resistance, complicating PJI treatment.
- PJIs contribute substantially to patient morbidity and healthcare expenses.
- Copper-coated implants demonstrate potential as an adjunctive approach.
Conclusions:
- Effective management of S. aureus PJIs requires addressing biofilm formation and resistance.
- Copper-coated implants represent a promising avenue for future PJI treatment.
- Further clinical validation is necessary to confirm the efficacy of novel strategies.
