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[Results of 4 years of microbiological testing of bronchoscopes]

Abstract : INTRODUCTION: In the context of reducing endoscopy-related infectious risk and new national guidelines on microbiological samples from bronchoscopy, the results of a surveillance program set up in a hospital center were analyzed. METHODS: Over 4 years, scheduled samples were taken from disinfected bronchoscopes. Bacteriology and mycology tests were used to search for microorganisms. The results were interpreted as falling within three levels: target, alert, and action. Factors that could explain the contamination were studied: age of the bronchoscope, number of uses per year, brand, and model. RESULTS: Out of 96 scheduled samples taken, the compliance rate for the period was 83% and increased (p=0.06) over the 4 years. We identified 15 Pseudomonas (six aeruginosa and nine other species), one Stenotrophomonas, one enterobacterium, and two filamentous fungi. None of the factors studied had a significant effect on sample contamination. CONCLUSION: The microbiological surveillance of bronchoscopes is an indispensable part of the quality assurance of bronchoscope maintenance. It can lead to maintenance of the bronchoscope when a noncompliant result is found.
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Submitted on : Wednesday, October 7, 2009 - 2:52:04 PM
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Séverine Chomel de Varagnes, Aurélie Brulebois, Jacqueline Shum, Jacques Croizé, Marie-Pierre Brenier-Pinchart, et al.. [Results of 4 years of microbiological testing of bronchoscopes]. Revue des Maladies Respiratoires, Elsevier Masson, 2009, 26 (3), pp.283-90. ⟨10.1002/art.24525⟩. ⟨inserm-00422540⟩



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