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Transmission-based Precautions II: Airborne and Protective Environment01:25

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Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
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Cleaning, Sterilization, and Disinfection01:30

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Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
Cleaning
The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...
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Key Techniques in Microbiology01:19

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Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
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Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
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Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
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Standard Precaution01:26

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Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
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Safety Precautions and Operating Procedures in an ABSL-4 Laboratory: 3. Aerobiology
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Bacteriological safety and low-air-loss beds.

J C Lawrence1, H A Lilly2

  • 1Research director.

Journal of Wound Care
|December 7, 2016
PubMed
Summary

This study examined bacterial contamination from simulated burns on hospital beds. Low-air-loss beds showed similar contamination but pose risks with mechanism use; effective cleaning methods were developed.

Area of Science:

  • Infection control in healthcare settings
  • Biomedical engineering
  • Environmental microbiology

Background:

  • Hospital-acquired infections are a significant concern.
  • Bacterial contamination from patient care equipment requires careful management.
  • Low-air-loss beds are used for burn patients but their environmental impact is not fully understood.

Purpose of the Study:

  • To assess bacterial distribution from simulated burns on standard and low-air-loss beds.
  • To identify potential hazards associated with low-air-loss bed operation.
  • To develop effective decontamination strategies for low-air-loss beds.

Main Methods:

  • Simulated 10% body surface area burns were managed on two bed types.
  • Bacterial contamination levels in the environment were quantified.

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  • The impact of disinfectants on low-air-loss bed materials was tested.

    • Main Results:

    • Bacterial contamination levels were similar between standard and low-air-loss beds.
    • Low-air-loss bed head/foot mechanism operation can be a contamination risk.
    • A standard phenolic disinfectant damaged low-air-loss bed fabric; an effective alternative was found.

    Conclusions:

    • While overall contamination is similar, low-air-loss bed mechanisms require specific attention.
    • Effective cleaning and disinfection protocols for low-air-loss beds were established.
    • These findings support improved infection control practices for burn patient care.