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HIV-positive person; Recent contacts of TB case; Persons with nodular or fibrotic changes on CXR consistent with old healed TB; Patients with organ transplants and other immunosuppressed patients; 10 mm or more is positive in Recent arrivals (less than 5 years) from high-prevalent countries; Injection drug users
In modern times, the surgical treatment of tuberculosis is confined to the management of multi-drug resistant TB. A patient with MDR-TB who remains culture positive after many months of treatment may be referred for lobectomy or pneumonectomy with the aim of cutting out the infected tissue. The optimal timing for surgery has not been defined ...
In people with smear-positive pulmonary TB (without HIV co-infection), after 5 years without treatment, 50–60% die while 20–25% achieve spontaneous resolution (cure). TB is almost always fatal in those with untreated HIV co-infection and death rates are increased even with antiretroviral treatment of HIV. [168]
A positive result indicates TB exposure. 5 mm or more is positive in An HIV-positive person; Persons with recent contacts with a TB patient; Persons with nodular or fibrotic changes on chest X-ray consistent with old healed TB; Patients with organ transplants, and other immunosuppressed patients; 10 mm or more is positive in
A 2000 Cochrane review containing 11 double-blinded, randomized control trials and 73,375 patients examined six and 12 month courses of isoniazid (INH) for treatment of latent tuberculosis. HIV positive and patients currently or previously treated for tuberculosis were excluded.
Health care workers making contact with a patient on contact isolation are required to wear gloves, and in some cases, a gown. [17] Respiratory isolation is used for diseases that are spread through particles that are exhaled. [2] Those having contact with or exposure to such a patient are required to wear a mask.
A 1994 CDC recommendation stated TB isolation rooms should be checked daily for negative pressure while being used for TB isolation. If these rooms are not being used for patients who have suspected or confirmed TB but potentially could be used for such patients, the negative pressure in the rooms should be checked monthly.
No clinical, bacteriologic, or radiographic evidence of TB 3: TB, clinically active: M. tuberculosis cultured (if done) Clinical, bacteriologic, or radiographic evidence of current disease 4: TB Not clinically active: History of episode(s) of TB or Abnormal but stable radiographic findings Positive reaction to the tuberculin skin test