Repeat autoclaving does not remove protein deposits from the classic laryngeal mask airway.

Abstract:

INTRODUCTION:We tested the hypothesis that repeated autoclaving removes protein deposits from the classic laryngeal mask airway (LMA). METHODS:Twenty previously used LMAs were hand washed, machine washed, dried, autoclaved and randomly allocated into four equal-sized groups for repeat autoclaving on 0 (control), 1, 2 and 3 occasions. After the final autoclave cycle, the LMAs were immersed in a protein-staining solution, rinsed, dried and a high-resolution digital image taken of the dorsal and ventral surfaces. The severity of staining was scored by two blinded observers. RESULTS:All LMAs were stained. There was no reduction in staining with repeat autoclaving. CONCLUSIONS:Repeat autoclaving does not remove protein deposits from the LMA.

journal_name

Eur J Anaesthesiol

authors

Bannon L,Brimacombe J,Nixon T,Keller C

doi

10.1017/s0265021505000888

subject

Has Abstract

pub_date

2005-07-01 00:00:00

pages

515-7

issue

7

eissn

0265-0215

issn

1365-2346

journal_volume

22

pub_type

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