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Tuberculosis Protocol / Guidelines

Caroline Lokkins, RN
Program Coordinator 
(360) 678-7938

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The recommendations in this document are intended to guide the treatment of tuberculosis in settings where mycobacterial cultures, drug susceptibility testing, radiographic facilities, and second-line drugs are routinely available. In areas where these resources are not available, the recommendations provided by the World Health Organization, the International Union against Tuberculosis, or national tuberculosis control programs should be followed. This Official Joint Statement of the American Thoracic Society, CDC, and the Infectious Diseases Society of America was approved by the ATS Board of Directors, by CDC, and by the Council of the IDSA in October 2002. This report appeared in the American Journal of Respiratory and Critical Care Medicine (2003;167:603--62) and is being reprinted as a courtesy to the American Thoracic Society, the Infectious Diseases Society of America, and the MMWR readership.

Important changes in the new recommendations are outlined in Table 1*. The two most notable changes are: 1) the inclusion of persons age >35 in their recommendation to offer preventive therapy to all persons who are considered to have a positive PPD, regardless of age; and, 2) extending the duration of therapy for most persons from six months to nine months. The Health Department Anti-Tuberculosis Program provides screening and follow-up oversight for LTBI, including directly observed preventive therapy, as well as oversight of patients with active TB. Further information on screening for LTBI, diagnosis of active TB, or other TB related topics may be obtained by calling the Health Department Anti-tuberculosis Program at 360 679-7351. 


*Table 1.      Summary of changes included in the revised ATS/CDC Recommendations for Targeted Tuberculin Testing and Treatment of Latent Tuberculosis Infection.

Tuberculin testing ...

  • Emphasis on targeted tuberculin (PPD) testing among all persons, regardless of age, at high risk for recent LTBI or with clinical conditions that increase the risk of active TB
  • Tuberculin testing among persons at lower risk is discouraged
  • A tuberculin test (PPD) conversion is defined as an increase of >10 mm of induration within a 24 month period, regardless  age
  • For patients with solid organ transplants and other immunosuppressed conditions (i.e., receiving the equivalent of >15 mg/day of prednisone for > 1 month), a positive PPD is now defined as >5 mm rather than >10 mm
  • Treatment of LTBI ...

  • For HIB negative adults, isoniazid given for 9 months is preferred over 6 month regimens
  • For HIV infected persons or those with chest radiograph evidence of old, inactive TB, isoniazid should be given for 9 rather than 12 months
  • For HIV infected persons or those with chest radiograph evidence of old, inactive TB, isoniazid should be given for 9 rather than 12 months
  • For all persons with LTBI, a 2 month regimen of pyrazinamide and rifampin is acceptable
  • For all persons with LTBI, a 4 month regimen of rifampin is acceptable
  • Clinical and Laboratory monitoring ...

  • Routine Laboratory monitoring of most persons with LTBI can be eliminated. Monitoring should be performed during pregnancy or the immediate postpartum period, and in those with HIV infection, chronic liver dysfunction, or regular alcohol use
  • Clinical monitoring for signs and symptoms of possible adverse effects is emphasized, with prompt evaluation and changes in treatment as indicated.
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    Clinicians
    Please Note:
    Latent TB; Current Recommendations
        (MMR)
    Major Guidelines
         CDC

    QuantiFERON-TB Test


    History of Tuberculosis Chemotherapy
    Chemotherapy Today
    The Recent TB Epidemic
    "Direct Observed Therapy" (DOT)

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