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Brief report| Volume 42, ISSUE 11, P1244-1246, November 2014

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Use of acid-fast bacilli staining to determine the need for airborne infection isolation precautions: A comparison of respiratory specimens

Published:September 20, 2014DOI:https://doi.org/10.1016/j.ajic.2014.08.005
      Institution of appropriate airborne infection isolation (AII) precautions for patients with suspected Mycobacterium tuberculosis is critical to prevent disease transmission. We compared the yield of acid-fast bacilli smears from different types of respiratory specimens and found that smear sensitivity was highest for specimens obtained by endotracheal aspirates (92%), followed by sputum (79%), and then by bronchoalveolar lavage (37%). As a result of this study, our institutional policy regarding discontinuation of AII precautions was amended.

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      References

      1. Centers for Disease Control. A global perspective on Tuberculosis 2011. Available from http://www.cdc.gov/tb/statistics/default.htm. Accessed September 11, 2014.

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