During anesthesia, a breathing system may be used for more than one patient. Any
microbes expelled by one patient, whether gasborne in the form of droplets or liquidborne in …

Invasive ventilation poses a risk of respiratory infection that can be drug‐resistant. One
means of reducing transmission of infection is the use of a breathing system filter. Filters are …

Contamination of the anaesthetic machine and breathing system by the environment and by
patient exposure has been shown to occur. Outside the intensive care setting, however, it is …

Concern for cross infections from patient to patient via apparatus is particularly relevant
today. There are several ways to prevent patient contamination through anesthetic devices …

The bacterial and viral filtration performance of 12 breathing system filters was determined
using test methods specified in the draft European standard for breathing system filters, BS …

Breathing system filters are intended to prevent cross‐infection during anaesthesia.
However, there is a lack of information on whether filters prevent contamination of the …

R reported as the titer reduction value and the bacterial removal efficiency. These are
calculations of the ratio of microorganisms recovered downstream the BF and of the ratio of …

A postal survey of 120 UK hospitals was conducted to assess the current use of filters in
anaesthetic breathing systems and consultant anaesthetists' opinion of their value; 76% of …

We measured the level of contamination in 207 breathing system filters of five different
models. The median (IQR [range]) levels of contamination measured in relative light units on …

UNLABELLED: Two commercially available bacterial filters to be used as part of the
mechanical ventilation unit during anaesthesia were tested for hygienic criteria …