Protein cross-contamination during batch cleaning and autoclaving of the ProSeal laryngeal mask airway

Richards, E., Brimacombe, J., Laupau, W., and Keller, C. (2006) Protein cross-contamination during batch cleaning and autoclaving of the ProSeal laryngeal mask airway. Anaesthesia, 61 (5). pp. 431-433.

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Abstract

We tested the hypothesis that protein cross-contamination occurs during batch cleaning and autoclaving of a reusable extraglottic airway device, the ProSeal™ laryngeal mask airway. At the end of each day for 10 days, nine laryngeal mask airways that had been used for non-intra-oral surgery were cleaned and autoclaved alongside a new unused laryngeal mask airway. In addition, a new unused laryngeal mask airway underwent the same cleaning and autoclaving procedures in isolation. Protein staining was more frequently detected on the unused laryngeal mask airways that were processed by batch rather than in isolation (p < 0.01). Protein staining was detected on all unused laryngeal mask airways that were processed by batch, but none on those processed in isolation. Protein staining was more severe with the used compared with the unused laryngeal mask airways (p < 0.001). We conclude that protein cross-contamination of the laryngeal mask airway occurs during batch cleaning and autoclaving and recommend that reusable airway devices are cleaned in isolation.

Item ID: 3759
Item Type: Article (Refereed Research - C1)
Keywords: prevention and control; sterilization; equipment contamination; prion; transmission; laryngeal mask
ISSN: 1365-2044
Date Deposited: 26 Nov 2009 04:44
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110301 Anaesthesiology @ 50%
11 MEDICAL AND HEALTH SCIENCES > 1108 Medical Microbiology > 110802 Medical Infection Agents (incl Prions) @ 50%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 100%
Citation Count from Web of Science Web of Science 5
Downloads: Total: 1
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