What is radiographically stable PTB?
No significant radiographic change over 4- to 6-month interval is termed “radiographically stable” disease and generally indicates disease inactivity. Following are the imaging findings which suggest active TB: Consolidation: usually located in lung apices and/or superior segments of lower lobes.
How is PTB calculated?
X-ray photofluorography is a relatively expensive way to detect pulmonary tuberculosis (PTB). Those patients with suggestive positive chest X-ray still require Mantoux skin testing, blood tests and a positive sputum smear for the acid-fast bacillus Mycobacterium tuberculosis to make a definitive diagnosis of PTB.
What is inactive PTB?
The TB germs remain in the person’s body, but are inactive and not growing. Inactive TB is also known as TB infection or latent TB. People with inactive TB are not sick and cannot spread TB to others. 1 out of 3 people in the world has inactive TB. Back to top.
What is PTB?
Pulmonary tuberculosis (PTB) is an infectious disease caused by Mycobacterium tuberculosis. This microorganism not only infects the lung but also other organs such as brain, kidneys and lymph nodes. Today, tuberculosis constitutes global public health problem with a greater impact in less industrialized countries.
What is chronic PTB?
For this purpose the term chronic pulmonary tuberculosis is restricted to fresh evidence of tuberculosis in the lungs of individuals who previously presented evidence of calcified primary tuberculosis or were known to have had first infection tuberculosis followed by an interval with no known manifestation of active …
Which of the following regimens is commonly recommended for the prevention of TB in countries with a low TB incidence?
CDC and the National Tuberculosis Controllers Association (NTCA) preferentially recommend short-course, rifamycin-based, 3- or 4-month latent TB infection treatment regimens over 6- or 9-month isoniazid monotherapy.
What are the regimens for TB preventive treatment TPT )?
Isoniazid given daily for 6 to 9 months has been the most widely used TPT regimen worldwide. It has a long-standing history of use, good tolerance in most people and a lot of evidence for effectiveness.
What causes PTB?
Pulmonary TB is caused by the bacterium Mycobacterium tuberculosis (M tuberculosis). TB is contagious. This means the bacteria are easily spread from an infected person to someone else. You can get TB by breathing in air droplets from a cough or sneeze of an infected person.