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纤维喉镜传播疾病预防Prevention of disease transmission during flexible laryngoscopy
Am J Infect Control Volume 35, Issue 8, Pages 536-544 (October 2007)
Lawrence F. Muscarella, PhD
The medical literature was reviewed to evaluate the risk of disease transmission and nosocomial infection associated with flexible laryngoscopes. These instruments have been reported to be contaminated with blood, body fluids, organic debris, and potentially pathogenic microorganisms during routine clinical use. Failure to reprocess properly a flexible laryngoscope may, therefore, result in patient-to-patient disease transmission. Different types of biocidal agents, including 70% isopropyl alcohol, quaternary ammonium compounds, and 2% glutaraldehyde have been reported to be used to disinfect flexible laryngoscopes. A logic, or algorithm, was developed to evaluate the adequacy of these and other types of biocidal agents used during instrument reprocessing. This review determined that flexible laryngoscopes are semicritical instruments that require high-level disinfection (or sterilization) to prevent nosocomial infection. Whereas 70% isopropyl alcohol, quaternary ammonium compounds, and other products that achieve intermediate-level or low-level disinfection are contraindicated for reprocessing flexible laryngoscopes, 2% glutaraldehyde and other products that achieve high-level disinfection (or sterilization) are recommended for reprocessing these instruments to prevent nosocomial infection. A formal set of step-by-step guidelines for reprocessing flexible laryngoscopes is provided. Use of a disposable sheath to cover and protect the flexible laryngoscope from contamination during clinical use is discussed.
[ 本帖最后由 wzcdcyxh 于 2007-10-29 16:33 编辑 ] |
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