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Negative Tuberculin Skin Test and Prediction of Reversion of QuantiFERON Interferon Gamma Release Assay in US Healthcare Workers

Published online by Cambridge University Press:  28 January 2016

Wendy Thanassi*
Affiliation:
Occupational Health Service, Veterans Affairs Health Care System, Palo Alto, California Occupational Health Strategic Health Care Group, Office of Public Health, Veterans Health Administration, Washington, DC Department of Internal Medicine, Stanford University School of Medicine, Stanford, California
Art Noda
Affiliation:
War Related Illness and Injury Study Center and Mental Illness Research Education and Clinical Center, Department of Veterans Affairs, Palo Alto, California Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
Beatriz Hernandez
Affiliation:
War Related Illness and Injury Study Center and Mental Illness Research Education and Clinical Center, Department of Veterans Affairs, Palo Alto, California Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
Leah Friedman
Affiliation:
War Related Illness and Injury Study Center and Mental Illness Research Education and Clinical Center, Department of Veterans Affairs, Palo Alto, California Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
Susan Dorman
Affiliation:
Johns Hopkins University School of Medicine, Baltimore, Maryland.
Jerome Yesavage
Affiliation:
War Related Illness and Injury Study Center and Mental Illness Research Education and Clinical Center, Department of Veterans Affairs, Palo Alto, California Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
*
Address correspondence to Wendy Thanassi, MA, MD, VA Palo Alto Health Care System, 3801 Miranda Ave, Palo Alto, CA 94304 (wendy.thanassi@gmail.com).

Abstract

QuantiFERON tuberculosis tests (QFT) reverted in (612) 77% of 1,094 low-risk healthcare workers (HCW) testing less than 1.16 IU/mL. Of HCW testing greater than 1.1 IU/mL, 33 (59%) of 56 with negative tuberculin skin tests (TST) reverted vs 8 (6%) of 125 with positive TSTs. Retesting low-risk QFT-positive and TST-negative HCW is prudent.

Infect. Control Hosp. Epidemiol. 2016;37(4):478–482

Type
Concise Communications
Copyright
© 2016 by The Society for Healthcare Epidemiology of America. All rights reserved 

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References

REFERENCES

1. Dorman, SE, Belknap, R, Graviss, EA, et al. Interferon-γ release assays and tuberculin skin testing for diagnosis of latent tuberculosis infection in healthcare workers in the United States. Am J Respir Crit Care Med 2013;189:7787.Google Scholar
2. Thanassi, W, Noda, A, Hernandez, B, et al. Delineating a retesting zone using receiver operating characteristic analysis on serial QuantiFERON tuberculosis test results in US healthcare workers. Pulm Med 2012;2012:291294.Google Scholar
3. Mori, T, Sakatani, M, Yamagishi, F, et al. Specific detection of tuberculosis infection. Am J Respir Crit Care Med 2004;170:5964.Google Scholar
4. Whitworth, WC, Hamilton, LR, Goodwin, DJ, et al. Within-subject interlaboratory variability of QuantiFERON-TB Gold In-Tube tests. PLOS ONE 2012;7:e43790.Google Scholar
5. Metcalfe, JZ, Cattamanchi, A, McCulloch, CE, Lew, JD, Ha, NP, Graviss, EA. Test variability of the QuantiFERON-TB Gold In-Tube assay in clinical practice. Am J Respir Crit Care Med 2013;187:206211.Google Scholar
6. Doberne, D, Gaur, RL, Banaei, N. Preanalytical delay reduces sensitivity of QuantiFERON-TB Gold In-Tube assay for detection of latent tuberculosis infection. J Clin Microbiol 2011;49:30613064.Google Scholar
7. QuantiFERON-TB Gold (in-tube method). Hilden, Germany: Qiagen/Cellestis, US05990301K ed; 2011.Google Scholar
8. Yesavage, JK. Signal detection software for receiver operator characteristics (ROC), version 4. 22. Stanford University website. http://web.stanford.edu/~yesavage/ROC.html. Published 2007. Accessed May 14, 2014.Google Scholar
9. Behrman, AB, Budnick, W, Hodgson, L, et al. Protecting health care workers from tuberculosis, 2013. J Occup Envir Med 2013;55.CrossRefGoogle ScholarPubMed
10. Schablon, A, Nienhaus, A, Ringshausen, FC, Preisser, AM, Peters, C. Occupational screening for tuberculosis and the use of a borderline zone for interpretation of the IGRA in German healthcare workers. PLOS ONE 2014;9:e115322.CrossRefGoogle ScholarPubMed