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Orthopaedic biofilm infections
Paul Stoodley1, Garth D Ehrlich, Parish P Sedghizadeh
1National Centre for Advanced Tribology, University of Southampton, Southampton, UK.
Current Orthopaedic Practice
|February 11, 2012
Summary
Biofilms cause most bacterial infections, resisting standard treatments. Understanding these sessile bacteria offers new strategies for treating chronic infections in orthopaedic surgery and other fields.
Area of Science:
- Microbiology
- Orthopaedic Surgery
- Infectious Diseases
Background:
- Over 65% of bacterial infections are caused by biofilms, posing challenges in medicine and dentistry.
- Biofilms are inherently resistant to host defenses and conventional antibiotic therapies.
- Chronic and device-related infections are unaffected by treatments effective against planktonic bacteria.
Purpose of the Study:
- To examine lessons learned from the biofilm paradigm for orthopaedic surgery.
- To explore shared challenges in biofilm infections, such as bacterial non-culturability.
- To identify new therapeutic options targeting sessile bacteria within biofilms.
Main Methods:
- Review of modern research in microbiology, medicine, and dentistry.
- Analysis of therapeutic strategies informed by patient outcomes in orthopaedic surgery.
- Examination of challenges common to all biofilm infections.
Main Results:
- Biofilm infections present unique challenges due to inherent resistance mechanisms.
- Non-culturability and sessile bacterial growth are key characteristics of biofilm infections.
- Existing treatments are largely ineffective against established biofilm communities.
Conclusions:
- A paradigm shift towards understanding biofilms is crucial for advancing infection control.
- Interdisciplinary research offers insights into novel detection, management, and treatment strategies.
- Improved patient outcomes in orthopaedic surgery depend on addressing biofilm infections effectively.
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