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Infection Control in Health Care Settings

Infection Control in Health Care Settings. Infectiousness. Patients should be considered infectious if they Are coughing Are undergoing cough-inducing or aerosol-generating procedures, or Have sputum smears positive for acid-fast bacilli and they Are not receiving therapy

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Infection Control in Health Care Settings

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  1. Infection Control in Health Care Settings

  2. Infectiousness • Patients should be considered infectious if they • Are coughing • Are undergoing cough-inducing or aerosol-generating • procedures, or • Have sputum smears positive for acid-fast bacilli and they • Are not receiving therapy • Have just started therapy, or • Have poor clinical response to therapy

  3. Infectiousness (cont.) • Patients no longer considered infectious if they meet all of these criteria: • Are on adequate therapy • Have had a significant clinical response to therapy, • and • Have had 3 consecutive negative sputum smear • results

  4. Infection Control Measures • Administrative controls to reduce risk of exposure • Engineering controls to prevent spread and reduce • concentration of droplet nuclei • Personal respiratory protection in areas where • increased risk of exposure

  5. Administrative Controls • Reduce risk of exposing uninfected persons to infectious disease: • Develop and implement written policies and protocols to ensure • Rapid identification • Isolation • Diagnostic evaluation • Treatment • Implement effective work practices among HCWs • Educate, train, and counsel HCWs about TB • Test HCWs for TB infection and disease

  6. Administrative Controls (cont.) • Perform risk assessment and classification of facility based on • Profile of TB in community • Number of infectious TB patients admitted • Analysis of HCW skin test conversions

  7. Engineering Controls • To prevent spread and reduce concentration of infectious droplet nuclei • Use ventilation systems in TB isolation rooms • Use HEPA filtration and ultraviolet irradiation with other • infection control measures

  8. Personal Respiratory Protection • Use in areas where increased risk of exposure: • TB isolation rooms • Rooms where cough-inducing procedures are done • Homes of infectious TB patients

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