PREVENTION OF HOSPITAL-ACQUIRED INFECTIONS

PREVENTION OF HOSPITAL-ACQUIRED INFECTIONS is a topic covered in the Harrison's Manual of Medicine.

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Nosocomial pathogens have reservoirs, are transmitted by largely predictable routes, and require susceptible hosts—features that allow the implementation of monitoring and prevention strategies.

  • Surveillance: review of microbiology laboratory results, surveys of nursing wards, and use of other mechanisms to keep track of infections acquired after hospital admission. Most hospitals aim surveillance at infections associated with high-level morbidity or great expense. Results of surveillance are expressed as rates and should include a denominator indicating the number of pts exposed to a specific risk (e.g., pts using a mechanical ventilator) or the number of intervention days (e.g., 1000 pt days on a ventilator).
  • Prevention and control measures: Hand hygiene is the single most important measure to prevent cross-infection.
    • Health care workers’ rates of adherence to hand-hygiene recommendations are abysmally low at <50%.
    • Other measures include identifying and eradicating reservoirs of infection and minimizing use of invasive procedures and catheters.
  • Isolation techniques: Isolation of infectious pts is a standard component of infection control programs.
    • Standard precautions: include hand hygiene and use of gloves when there is a potential for contact with blood, other body fluids, nonintact skin, or mucous membranes during the care of all pts. In certain cases, masks, eye protection, and gowns are used as well.
    • Transmission-based guidelines: Airborne, droplet, or contact precautions—for which personnel don (at a minimum) N95 respirators, surgical face masks, or gowns and gloves, respectively—are used to prevent transmission of disease from pts with contagious clinical syndromes. More than one precaution can be used for diseases that have more than one mode of transmission (e.g., contact and airborne isolation for varicella).

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TY - ELEC T1 - PREVENTION OF HOSPITAL-ACQUIRED INFECTIONS ID - 623686 Y1 - 2017 PB - Harrison's Manual of Medicine UR - https://harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623686/all/PREVENTION_OF_HOSPITAL_ACQUIRED_INFECTIONS ER -