Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-25T06:09:26.487Z Has data issue: false hasContentIssue false

A Missed Tuberculosis Diagnosis Resulting in Hospital Transmission

Published online by Cambridge University Press:  10 May 2016

Belinda A. Medrano
Affiliation:
Hidalgo County Health and Human Services, Edinburg, Texas
Gloria Salinas
Affiliation:
Hidalgo County Health and Human Services, Edinburg, Texas
Connie Sanchez
Affiliation:
Hidalgo County Health and Human Services, Edinburg, Texas
Roque Miramontes
Affiliation:
Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
Blanca I. Restrepo
Affiliation:
University of Texas Health Science Center at Houston, Brownsville, Texas
Maryam B. Haddad
Affiliation:
Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
Lauren A. Lambert*
Affiliation:
Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
*
1600 Clifton Road, E-10, Atlanta, GA 30333 ([email protected])

Abstract

Objective.

To find the source of tuberculin skin test conversions among 38 hospital employees on 1 floor during routine testing January–February 2010.

Methods.

Record review of patients at a private hospital during September-December 2009 and interviews with hospital employees. Names of patients from the state tuberculosis (TB) registry were cross-referenced with hospital records for admissions. Mycobacterium tuberculosis genotype results in the county and adjacent counties were examined, and contacts were evaluated for TB infection and disease.

Results.

One of the 38 employees, a nurse, was diagnosed with pulmonary TB with a matching M. tuberculosis genotype and drug resistance pattern (isoniazid monoresistant) to those of a county jail inmate also recently diagnosed with pulmonary TB. The nurse had no known contact with that inmate; however, another inmate in his 20's from the same jail had been hospitalized under that nurse's care in October 2009. That young man died, and a postmortem examination result subsequently confirmed TB, which had not been suspected. Exposure to this man with undiagnosed TB could explain the transmission: 87 (27%) of the 318 hospital-based contacts without previous positive tuberculin skin test results were infected, and 9 contacts had active TB.

Conclusions.

This investigation demonstrated M. tuberculosis transmission in a hospital due to a missed diagnosis and nonadherence to national TB infection control guidelines. Routine TB screening of employees allowed early detection of this missed TB diagnosis, facilitating prompt evaluation of contacts. Healthcare providers should suspect TB in symptomatic persons and adhere to TB control policies.

Type
Original Article
Copyright
Copyright © The Society for Healthcare Epidemiology of America 2014

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Centers for Disease Control and Prevention. Guidelines for preventing the transmission of Mycobacterium tuberculosis in health-care settings, 2005. MMWR 2005;54(RR-17)1142.Google Scholar
2. US Census Bureau. State & County QuickFacts. Washington, DC: US Census Bureau, 2009. http://quickfacts.census.gov/qfd/index.html. Accessed August 25, 2010.Google Scholar
3. Texas Department of State Health Services. TB Statistics. http://vww.dshs.state.tx.us/idcu/disease/tb/statistics. Austin: Texas Department of State Health Services, 2009. Accessed August 25, 2010.Google Scholar
4. Centers for Disease Control and Prevention (CDC). Reported Tuberculosis in the United States, 2009. Atlanta: CDC, 2010.Google Scholar
5. Centers for Disease Control and Prevention. Updated guidelines for using interferon gamma release assays to detect Mycobacterium tuberculosis infection—United States, 2010. MMWR 2010;59(RR-5):125.Google Scholar
6. Gomez, DI, Mullin, CS, Mora-Guzmán F, et al. Rapid DNA extraction for specific detection and quantitation of Mycobacterium tuberculosis DNA in sputum specimens using Taqman assays. Tuberculosis 2011;91:S43S48.CrossRefGoogle ScholarPubMed
7. Centers for Disease Control and Prevention. Targeted tuberculin testing and treatment of latent tuberculosis infection. MMWR 2000;49(RR-6)151.Google Scholar
8. Blumberg, HM, Sotir, M, Erwin, M, Bachman, R, Shulman, JA. Risk of house staff tuberculin skin test conversion in an area with a high incidence of tuberculosis. CID 1998;27(4)826833.CrossRefGoogle Scholar
9. Louther, J, Rivera, P, Feldman, J, Villa, N, DeHovitz, J, Sepkowitz, KA. Risk of tuberculin conversion according to occupation among health care workers at a New York City hospital. Am J Respir Crit Care Med 1997;156:201205.CrossRefGoogle Scholar
10. Menzies, D, Fanning, A, Yan, L, Fitzgerald, M. Tuberculosis among health care workers. N Engl J Med 1995;332:9298.CrossRefGoogle ScholarPubMed
11. Centers for Disease Control and Prevention. Prevention and control of tuberculosis in correctional and detention facilities. MMWR 2006;55(RR-9):154.Google Scholar
12. Institute of Medicine. Tuberculosis in the Workplace. Washington, DC: National Academy Press, 2001.Google Scholar