2024年12月10日 · Targeted testing for tuberculosis (TB) is a strategy to diagnose and treat latent TB infection among persons who are at risk for developing TB disease. Treating latent TB infection supports U.S. TB elimination goals through preventing TB disease, stopping the spread of …

2003年1月31日 · In 2001, the QuantiFERON ®-TB test (QFT) (manufactured by Cellestis Limited, Carnegie, Victoria, Australia) was approved by the Food and Drug Administration (FDA) as an aid for detecting latent Mycobacterium tuberculosis infection (1).

2025年1月31日 · TB blood tests (also called interferon-gamma release assays or IGRAs) use a blood sample to find out if you are infected with TB germs. The tests measure how your immune system reacts when a small amount of your blood is mixed with TB proteins. Your health care provider will use one of the two TB blood tests approved for use in the United States:

2016年6月3日 · QFT 是一种高特异性（高达 99.2%2）、可控的血液学检测方法，可用于 辅助诊断 TB 感染，并且提供结果来显示个体对结核分枝杆菌抗原高特异性的 T 细胞反应。 QFT 采用酶联免疫吸附试验 (ELISA) 来检测与 TB 特异性抗原共同孵育后 全血样本中的 γ- 干扰素反应。 与 TST 不同，QFT 不受既往 BCG 接种 3 和绝大多数环境分枝杆菌影响。 1 Pai. IJTLD 2010. 14:s64-7. 2 Diel et al. Chest 2010, 137:952-68. 3 Pai et al. Annals Intel Med 2008. 149:177-84. 本检测要收 …

2021年2月1日 · QuantiFERON-TB Gold+ is a blood test used for the diagnosis of infection with Mycobacterium tuberculosis complex organisms (M. tuberculosis, M. bovis, M. africanum). It is...

The QuantiFERON®-TB Gold test (QFT-G) is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and tuberculosis (TB) disease. This test was approved by the U.S. Food and Drug Administration (FDA) in 2005. How does it work?

The QFT-Plus assay is a straightforward laboratory test that involves the following steps: • Collection or transfer of blood into QFT-Plus blood collection tubes. • Incubation at 37ºC. • Detection of released IFN-γ in harvested plasma using an ELISA. • Analysis and results using the QFT-Plus Analysis Software. Data analysis 7

2016年6月3日 · QuantiFERON-TB Gold 实验是一种检测结核分枝杆菌感染的辅助体外诊断方法。 该方法采用的专利技术：在人全血中检测 受结核分枝杆菌特异性抗原刺激 T 细胞所分泌的 γ- 干扰素含量。 采血量没有达到 QFT 血液培养管的黑色标识线，这是否重要？ 管上的黑色标记线提示收集的血量为 1 ml。 QFT 血液培养管的血量在 0.8–1.2 ml 范围内是有效的。 如果试管里的血量未 接近标识线，建议重新取样。 混匀过程有怎样的重要性？ 抗原混匀步骤是为了确保刺激抗原 …

QuantiFERON (QFT) is an interferon-γ release assay (IGRA) that aids in the evaluation of tuberculosis (TB) infections (latent or active) 1 and is recommended by the CDC as an alternative to the tuberculin skin test (TST) in certain situations. This modern alternative offers improved performance and quicker results.

2024年9月12日 · The Quantiferon Gold test, often referred to simply as QFT, is a blood test used primarily to detect latent tuberculosis (TB) infections. Unlike traditional skin tests, the QFT measures the immune system’s response to TB bacteria in the blood, offering a more accurate and reliable diagnosis.