conclusions based on the results of this study, although radiographic findings are not diagnostic in ptb, they are helpful if the assessment associates with the view of clinical manifestations and sputum smears. patients and methods in this retrospective descriptive-analytical study, 376 patients who had been confirmed with ptb were referred to birjand health care center from 2001 to 2006. out ...

Background: Microscopic smear examination is the most common test in tuberculosis (TB) detection. It is, however, not strong enough to identify TB in the majority of afflicted individuals; thus, a significant number of TB patients are smear negative and capable of transmitting the infection. The aim of this study was to evaluate the rate of smear-negative TB in northwest Iran.Methods: In this c...

a study on clinical signs of tuberculosis patients in urmia a gholami , bsc l moosavi jahromi ,bsc received: 11 aug, 2009 accepted: 25 oct, 2009 abstract background & aims: tuberculosis is a major health problem worldwide, especially in developing countries. the warning signs of pulmonary tuberculosis are chronic cough with sputum that is usually accompanied by bloody sputum, and sometimes the ...

The objectives of this study were to evaluate the suitability of the TB-SA antibody test to diagnose tuberculosis in sputum smear negative (SS-) pulmonary tuberculosis (TB) patients and its applicability for monitoring treatment outcomes in these patients. This study was conducted in three counties/districts in Chongqing Municipality, Liaoning Province, China between June 2005 and June 2007. A ...

Recommendations on the management of smear-negative pulmonary tuberculosis (TB) are still based on the behaviour of this disease in populations unaffected by the human immunodeficiency virus (HIV). Studies prior to the HIV epidemic estimated that there were 1.22 cases of smear-negative and extra-pulmonary TB for each smear-positive case. Patients with smear-negative pulmonary TB were found to b...

BACKGROUND In patients with HIV and tuberculosis (TB) in resource-constrained settings, smear-negative disease has been associated with higher mortality than smear-positive disease. Higher reported mortality may be due to misdiagnosis, diagnostic delays, or because smear-negative disease indicates more advanced immune suppression. METHODS We analyzed culture-confirmed, pulmonary TB among pati...