Assessing a Novel Method to Reduce Anesthesia Machine Contamination: A Prospective, Observational Trial

Table 1

List of bacterial species cultured on the anesthesia machine.

Hot spot	Organisms recovered
Vaporizer dial	CoNS, Bacillus species, Stomatococcus species, Corynebacterium species, Streptococcus species, Staphylococcus aureus
Oxygen flowmeter knob	CoNS, Bacillus species, Micrococcus species, Corynebacterium species, Streptococcus species
APL valve control knob	CoNS, Bacillus species, Micrococcus species, Corynebacterium species
Record keeper mouse	CoNS, Bacillus species, Stomatococcus species, Streptococcus species
Monitor control panel	CoNS, Bacillus species, Micrococcus species, Corynebacterium species
Ventilator control knob	CoNS, Bacillus species, Corynebacterium species, Streptococcus species
Keyboard	CoNS, Bacillus species, Corynebacterium species

APL, adjustable pressure limiting; CoNS, coagulase-negative staphylococci.