background: tuberculosis (tb) is a major worldwide public health problem. the incidence of tuberculosis has decreased in iran in recent years. however, despite this dramatic decline, tuberculosis is still considered to be a major health problem in iran. objectives: the aim of this study was to investigate the epidemiological situation and main characteristics of tuberculosis in iran. patients a...

Background Although during the past years a constant decreasing trend of extrapulmonary tuberculosis (TB) was registered in Romania, the number of reported cases of pericardial effusion TB remained steady at 40-50 cases annually, most of them in association with pleural effusion. Pericardial TB is a potentially lethal complication of TB and it is associated with high rates of morbidity and mort...

The aim of this study was to determine risk factors for disease due to nontuberculous mycobacteria (NTM) compared to those due to Mycobacterium tuberculosis in South African gold miners with pulmonary mycobacterial disease. A case/control study comparing tuberculosis and NTM cases amongst all patients with a positive sputum mycobacterial culture in 1995 was carried out. The 51 cases of disease ...

OBJECTIVE To analyze the current profile and trends of tuberculosis mortality in Brazil between 1980 and 2004. METHODS Descriptive study of tuberculosis as underlying or associate cause of death based on secondary data from the Brazilian Mortality Information System. RESULTS An irregular reduction in the number of tuberculosis deaths and mortality rates along the study period, from 5.8 in 1...

This study aimed to determine to what extent tuberculosis trends in the Netherlands depend on secular trend, immigration and recent transmission. Data on patients in the Netherlands Tuberculosis Register in the period 1993-2007 were matched with restriction fragment length polymorphism (RFLP) patterns of Mycobacterium tuberculosis isolates. Index patients were defined as patients with pulmonary...

Tuberculosis is a vagarious infectious disease that generally affects the lungs. Accordingly, in some cases, it can also affect the liver and kidney. Host genetic may affect tuberculosis caused by bacillus Mycobacterium tuberculosis. The main risk factors for the disease are a weakened immune system because of diabetes, some cancers, HIV/AIDS, severe kidney disease, cancer treatment, a...

Introduction: To recognize the predisposing factors in tuberculosis as an endemic infection in Northeast province of Iran, this study was aimed to evaluate whether HumanT-lymphocyte type 1 (HTLV-I) as an immunosuppressive factor increases the risk of tuberculosis. Materials and Methods: A Case-control study was conducted in 278 tuberculosis patients from 2007 to 2010, in Mashhad, Iran. Tubercul...

Background & Aims: Tuberculosis is one of the most important causes of mortality in the world and if it is not treated, 50 – 65% of patients would die in five years. Chest X-ray has an important role in the diagnosis of TB and early diagnosis and treatment prevent tuberculosis transmission. In this study we evaluated radiologic manifestations of patients with smear positive pulmonary tubercu...