Document Detail


Validation and comparison of three adenosine triphosphate luminometers for monitoring hospital surface sanitization: A Rosetta Stone for adenosine triphosphate testing.
MedLine Citation:
PMID:  23021416     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: The application of adenosine triphosphate (ATP) luminometry for monitoring sanitized hospital surfaces is an evolving infection control practice. The goal of this study is to validate and compare 3 commercially available ATP luminometry, swab, rapid-test systems for use in hospital surface sanitization testing. Regulatory agencies may consider this a point-of-care laboratory test; it is therefore imperative that validation criteria are established.
METHODS: The ability of instruments to measure long-term stability of ATP dried on surfaces was determined. Dilutions of 3 species of microorganisms and a blood sample were dried onto a surface and tested. The performance characteristics of instruments were compared side-by-side for their ability to recover microorganism-derived ATP from surfaces.
RESULTS: Timed studies showed that surface biologic-ATP remained detectable for 10 days. Instrument clinical sensitivity, precision, detection range, limit of detection, and linearity were determined. Swab recovery of microorganisms from surfaces varied by instrument and organism. All 3 systems detected microorganisms in the presence of disinfectants.
CONCLUSION: All instruments were validated, but only 1 was verified, because of variations in performance for each system. These studies indicate that careful consideration of the technologic application and instrument performance are important criteria for the selection of an ATP monitoring system.
Authors:
Carmen V Sciortino; R Allen Giles
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of infection control     Volume:  40     ISSN:  1527-3296     ISO Abbreviation:  Am J Infect Control     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8004854     Medline TA:  Am J Infect Control     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e233-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Association for Professionals in Infection Control and Epidemiology, Inc. All rights reserved.
Affiliation:
Robley Rex Veterans Affairs Medical Center, Pathology and Laboratory Medicine Service, Louisville, KY; University of Louisville, Louisville, KY. Electronic address: Carmen.Sciortino@va.gov.
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