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Related Concept Videos

Cleaning, Sterilization, and Disinfection01:30

Cleaning, Sterilization, and Disinfection

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...
Hand hygiene01:23

Hand hygiene

Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Methods of Sterilization II: Chemical Methods01:30

Methods of Sterilization II: Chemical Methods

In healthcare, the chemical method of sterilization uses chemical sterilants to treat surgical instruments and medical supplies to help prevent the transmission of infectious pathogens to patients. Due to heat sensitivity, most medical supplies and equipment should not be exposed to high temperatures. These parts include rubber, plastic, glass, and other similar elements.
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

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.
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Standard Precaution01:26

Standard Precaution

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.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...

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Related Experiment Video

Updated: May 31, 2026

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit
09:57

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit

Published on: July 13, 2019

New methods to clean ICU rooms.

Caroline Blazejewski1, Mary-Jane Guerry, Sébastien Preau

  • 1Intensive Care Unit, Calmette Hospital, University Hospital of Lille, boulevard du Pr Leclercq, 59037 Lille cedex, France.

Infectious Disorders Drug Targets
|June 18, 2011
PubMed
Summary
This summary is machine-generated.

Hospital-acquired infections (HAI) are common in ICUs. New environmental cleaning technologies like UV light and hydrogen peroxide vapor show promise for reducing hospital-acquired pathogens (HAP) and HAI.

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Last Updated: May 31, 2026

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit
09:57

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit

Published on: July 13, 2019

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
09:30

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Published on: March 17, 2023

Area of Science:

  • Infection control and hospital hygiene
  • Environmental microbiology
  • Public health

Background:

  • Hospital-acquired infections (HAI) are a leading cause of patient morbidity and mortality, particularly in intensive care units (ICUs).
  • The hospital environment is a significant reservoir for hospital-acquired pathogens (HAP), including multidrug-resistant organisms, facilitating transmission to patients.
  • Current daily and terminal cleaning methods are often microbiologically ineffective, contributing to the persistence of HAP and the incidence of HAI.

Purpose of the Study:

  • To review the role of the hospital environment in the transmission of HAP and the pathogenesis of HAI.
  • To evaluate the microbiological effectiveness of novel cleaning technologies for daily and terminal disinfection.
  • To assess the potential of new technologies to improve hospital environmental hygiene and reduce HAI rates.

Main Methods:

  • Review of existing literature on hospital environmental cleaning and disinfection methods.
  • Evaluation of emerging technologies: hydrogen peroxide vapor, UV light decontamination, and ultramicrofibers with copper-based biocides.
  • Comparison of the efficacy of new technologies against traditional cleaning methods for both daily and terminal cleaning.

Main Results:

  • Hydrogen peroxide vapor and UV light are effective for terminal cleaning, even in hard-to-reach areas.
  • Ultramicrofibers, potentially combined with copper biocides, offer a promising option for daily cleaning.
  • Traditional cleaning methods demonstrate microbiological ineffectiveness for both daily and terminal disinfection.
  • Other methods like ozone, steam, and HEPA filtration were deemed less effective for significant environmental improvement.

Conclusions:

  • New technologies like hydrogen peroxide vapor, UV light, and enhanced ultramicrofibers show significant microbiological potential for improving hospital environmental hygiene.
  • Despite proven efficacy in laboratory settings, these advanced cleaning methods require further clinical studies to demonstrate a direct reduction in HAP and HAI rates.
  • The cost-effectiveness of implementing these novel technologies needs to be justified by robust evidence linking them to decreased HAI incidence and improved patient outcomes.