| Forced-Air Warming Does Not Worsen Air Quality in Laminar Flow Operating Rooms. | |
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MedLine Citation:
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PMID: 21965373 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background:Warm air released by forced-air covers could theoretically disturb laminar airflow in operating rooms. We thus tested the hypothesis that laminar flow performance remains well within rigorous and objective standards during forced-air warming.Methods:We evaluated air quality in 2 laminar flow operating rooms using a volunteer "patient" and heated manikin "surgeons." Reduction in tracer background particle counts near the site of a putative surgical incision was evaluated as specified by the rigorous DIN 1946-4:2008-12 standard. Results were confirmed using smoke as a visual tracer.Results:Background tracer particle concentrations were reduced 4 to 5 log by the laminar flow system, and there were no statistically significant or clinically important differences with a forced-air blower set to off, ambient air, and high temperature. All values remained well within the requirements of the DIN 1946-4:2008-12 standard. Activation of a forced-air warming system did not create an upward draft or interfere with normal and effective function of the laminar flow process.Conclusions:Our results, based on quantitative performance testing methods, indicate that forced-air warming does not reduce operating room air quality during laminar flow ventilation. Because there is no decrement in laminar flow performance, forced-air warming remains an appropriate intraoperative warming method when laminar flow is used. |
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Authors:
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Daniel I Sessler; Russell N Olmsted; Ruediger Kuelpmann |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-29 |
Journal Detail:
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Title: Anesthesia and analgesia Volume: - ISSN: 1526-7598 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-10-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 1310650 Medline TA: Anesth Analg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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From the *Department of Outcomes Research, Cleveland Clinic, Cleveland, Ohio; |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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