Prepared endotracheal tubes: are they a potential source for pathogenic microorganisms?

Abstract:

UNLABELLED:Prepared endotracheal tubes (PETTs) are frequently used for unanticipated difficult intubation, but their storage time is highly variable and institution-dependent. We sought to determine first, if open, unused PETTs are a potential source of pathogenic microorganisms, and second, if PETTs can provide a medium for bacterial survival after deliberate contamination. A stylet was inserted into a 7-mm ETT, and this system was ethylene oxide sterilized. The PETTs were placed in 20 different locations and sampled 8 times in a 4-wk period. Growth was determined after 48-h incubation, and the microorganism was identified. In Phase 2, the PETT (n = 40) was swabbed with a fresh suspension of H. influenzae, Pseudomonas aeruginosa, Staphylococcus aureus, Enterococcus faecium, or a negative control. Nonvirulent bacteria were cultured from 13 of 160 (8.1%) samples and from 15 of 320 (4.7%) samples in Phases 1 and 2, respectively. No PETT grew the same bacteria more than once. In Phase 2, after 24 h, only E. faecium was recovered. Based on this study, the pathogenic potential of PETTs is very small, and they can be safely used for up to 1 mo. This practice could translate to significant cost reduction for operating room budgets. IMPLICATIONS:Prepared endotracheal tubes (PETTs) are back-up airway equipment to be used in the case of a difficult intubation. A short PETT shelf life because of unknown safe storage time results in significant budget costs. This blinded, controlled study examined the pathogenic potential of PETTs in the operating room environment.

journal_name

Anesth Analg

journal_title

Anesthesia and analgesia

authors

Rasic NF,Friesen RM,Anderson B,Hoban SA,Olson N,Kress J

doi

10.1213/01.ane.0000082241.56353.97

subject

Has Abstract

pub_date

2003-10-01 00:00:00

pages

1133-6, table of contents

issue

4

eissn

0003-2999

issn

1526-7598

journal_volume

97

pub_type

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