نتایج جستجو برای: positive sputum
تعداد نتایج: 666902 فیلتر نتایج به سال:
background: hepatotoxicity is a major concern during tuberculosis (tb) drug therapy. its prevalence ranges from 1%-4% in developed countries to 11.5% in developing countries, and is even higher in countries such as india. disease mortality is 5%, but can be prevented by early detection. this study reveals the revalence and outcome of drug-induced hepatitis (dih) in positive sputum tb patients t...
Background: Sputum induction has been recently introduced as an effective and inexpensive method for obtaining high quality sputum samples in patients without spontaneous sputum. As all Iranian physicians might not be familiar with this method yet, the results of this study could be of help in this regard. Methods: During June 2010 to January 2011, all pulmonary tuberculosis (PTB) suspected p...
Background & Objectives: Tuberculosis (TB) is the largest single cause of death from infectious diseases and has a ten rating of global burden of disease. Despite the availability of effective treatment for pulmonary TB, sputum conversion of patients affected by various factors. This study aimed to determine the time course of sputum conversion in patients and possible affected factors in this ...
Background and purpose: Computed tomography (CT) scan is of great help in confirming the diagnosis of tuberculosis (TB) before the sputum test result. The purpose of this study was to investigate the relationship between pulmonary involvement patterns in CT scans of TB patients with positive sputum smears. Materials and methods: This retrospective descriptive-analytical study was conducted usi...
Abstract Background: Community acquired pneumonia (CAP) is the main cause of mortality and morbidity world wide. Legionella pneumophila is identified as the fourth agent that causes CAP. The aim of this study was to define the prevalence of L. pneumophila among hospitalized children by culture, direct immune-fluorescence, (DFA) and PCR. Methods: In this study 210 sputum samples were collect...
Introduction: Unsuccessful treatment of tuberculosis (TB) is big challenge to public health. Some conflicting results in regards with relationship of the sputum smear degree in unsuccessful treatments or death of patients have been reported. Therefore, the current study aimed to evaluate the relationship of the grading of sputum smear-positive patients in the beginning of treatment on treatment...
Background and purpose: Direct smear microscopy is the most common method of detecting tuberculosis with 70% sensitivity in best conditions, therefore, researches have always focused on improving the sensitivity of sputum smear. This study aimed at comparing the diagnostic value of sputum smear using light microscopy and fluorescence microscopy without sodium hypochlorite in patients with suspe...
BACKGROUND In many resource poor settings only sputum microscopy is employed for the diagnosis of HIV-associated pulmonary tuberculosis; sputum culture may not be available. METHODS We determined the diagnostic accuracy of sputum microscopy for active case finding of HIV-associated pulmonary tuberculosis using TB culture as the reference standard. RESULTS 2216 potential subjects screened fo...
STUDY OBJECTIVES Identification of acid-fast bacilli (AFB) in the sputum smear at the completion of tuberculosis therapy is in some settings considered evidence of treatment failure. However, some patients with pulmonary tuberculosis (TB) will have positive smear results with negative sputum culture results at the end of therapy. The objectives of this study were to estimate the prevalence of p...
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