![]() ![]() ![]() A prompt and accurate diagnosis is critical for effective control and management of TB, but conventional diagnostic methods have their limitations. South Korea has an intermediate TB burden the incidence of new cases is 90 per 100 000 people per year despite an intensive effort for disease control. In 2007, there were 9.27 million cases of TB, and 1.3 million deaths occurred among HIV-negative TB cases. Tuberculosis (TB) is an important public health problem worldwide. The diagnostic accuracy of these two tests did not differ significantly when applied to this clinical population of young, immunocompetent adults in whom neonatal BCG vaccination was common, there was no history of previous TB and in whom suspicion of TB was high. Conclusionsīoth the TST and QFT-IT showed high sensitivity and specificity in differentiating active TB from other diseases. No significant differences were found between the TST and QFT-IT in any statistic. There were 141 male patients, none of whom had immunosuppressive disease. Of the 143 patients included in the analysis, active TB was diagnosed in 100 (69.9%). The TST and QFT-IT were performed for all participants. We prospectively enrolled 166 young participants 20-29 years of age with suspected active TB in a military hospital of South Korea. We evaluated the diagnostic accuracy of the TST and QFT-IT in smear-negative TB among young adults with no underlying disease. This means that you do not have TB bacteria in your body. However, there is a small chance that you might breathe in TB bacteria in the future.The roles of the tuberculin skin test (TST) and QuantiFERON ®-TB Gold In-Tube assay (QFT-IT) in the diagnosis of active tuberculosis (TB) are not clear in young adults. If you have received a negative test result: It is also worth knowing that before treating you for latent TB they will do some final tests to make absolutely sure you do not have active TB. You will then see a TB doctor or TB nurse who will offer you support and treatment for latent TB. Your GP will refer you to a specialist TB clinic. ![]() This means that you have TB bacteria in your body, but try not to worry because latent TB can be cured with a course of antibiotics. If you have received a positive test result: If this is the case, these tests will be explained to you and you will be asked to give your permission for these tests to be done. These include viruses such as HIV and hepatitis B, which, like TB, can be treated in order to stop them becoming more serious and causing problems in the future. You may be offered tests for other conditions that can be found in someone’s blood (known as blood-borne viruses), before they start causing any obvious illness. I have been offered other tests with my TB test. If you are not yet registered with a GP you can find out more about accessing NHS services by reading this leaflet or you can find your nearest GP using our GP service finder. You will be told when to expect the results. You will need to return to the test centre between 48-72 hours later for the doctor or nurse to measure and interpret the results.īlood test: A small amount of blood is taken from your arm and sent to a laboratory. If your body has come into contact with TB, the skin becomes raised and red. Skin test: A tiny amount of TB extract is injected under the skin on your forearm.
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