Table 2: Typing of microorganisms in five single-use

non-invasive mechanical ventilation masks before the disinfection process.

Disinfection method

Neutral pH superoxide

electrolyzed solutions (SES)

Orthophthalaldehyde (OPA)

Mask

ID

Patient

diagnosis

Identified

MO

Mask

ID

Patient

diagnosis

Identified

MO

31

Obesity-

hypoventilation

syndrome

E. cloacae

50

Pneumonia

S. aureus

40

Lung mass

S. aureus

C. striatum

54

Pulmonary

hypertension

E. cloacae

44

Mixed

respiratory

failure

E. faecalis

57

Pneumonia

E. faecalis

64

Interstitial

pneumonia

E. faecalis

58

Pneumonia

P. aeruginosa

73

Pneumonia

E. aerogenes

77

COPD

S. aureus

ID = identification.

MO = microorganism.

COPD = chronic obstructive pulmonary disease.