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Published on: June 23, 2020
Transmission and prevention of occupational infections in orthopaedic surgeons
Kwok Chuen Wong1, Kwok Sui Leung
1Department of Orthopaedics and Traumatology, Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China. skcwong@ort.cuhk.edu.hk
Abstract:
Microorganisms are transmitted in hospitals mainly by contact, droplet, and airborne routes. Orthopaedic surgeons have a substantial occupational risk of contracting a blood-borne infection because of frequent handling of sharp instruments and objects during operative procedures. Aerosolization means the formation of aerosols and droplets when blood or other body fluids are mechanically disturbed. Smaller particles (<5 microm) will remain suspended in air. Pathogens that can survive in these small airborne particles may cause infection if they are inhaled. Aerosol-generating procedures in patients with tuberculosis or severe acute respiratory syndrome (SARS) may facilitate airborne transmission. The Hospital Infection Control Practices Advisory Committee and the Centers for Disease Control and Prevention have established guidelines for isolation precautions in hospitals.
Insights
Hospital-acquired infections spread via contact, droplet, and airborne routes. Orthopaedic surgeons face occupational risks from blood-borne pathogens, especially during aerosol-generating procedures, necessitating strict infection control guidelines.
Area of Science:
- Healthcare-associated infections
- Occupational health in surgery
- Microbial transmission routes
Background:
- Microorganisms spread in hospitals through contact, droplet, and airborne transmission.
- Orthopaedic surgeons face significant occupational risk of blood-borne infections due to sharp instrument handling.
- Aerosolization of bodily fluids creates airborne particles (<5 microm) that can harbor pathogens.
Purpose of the Study:
- To highlight the occupational risks for orthopaedic surgeons regarding blood-borne infections.
- To explain the mechanisms of airborne transmission of pathogens in healthcare settings.
- To emphasize the importance of established guidelines for infection control.
Main Methods:
- Review of microbial transmission routes in hospitals.
- Analysis of occupational risks associated with surgical procedures.
- Discussion of aerosol-generating procedures and their implications.
Main Results:
- Airborne transmission is a significant route for pathogens, especially from aerosol-generating procedures.
- Small airborne particles (<5 microm) can remain suspended, posing an inhalation risk.
- Specific procedures in patients with tuberculosis or SARS can facilitate airborne transmission.
Conclusions:
- Orthopaedic surgeons are at high risk for blood-borne infections.
- Understanding aerosolization is crucial for preventing airborne pathogen transmission.
- Adherence to guidelines from the Hospital Infection Control Practices Advisory Committee and CDC is essential for patient and healthcare worker safety.
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