نتایج جستجو برای: positive sputum
تعداد نتایج: 666902 فیلتر نتایج به سال:
Background & Objectives: Children are highly vulnerable to TB and childhood tuberculosis is a sign of TB transmission in community. This study aimed to determine the epidemiologic trend of this disease in Iranian children. Method: A Trend Study was conducted to evaluate all Iranian patients aged below 14 who had been diagnosed with pulmonary or extrapulmonary TB from 1992 to 2005. Statistica...
A comparison of induced and expectorated sputum for the diagnosis of Pneumocystis carinii pneumonia.
STUDY OBJECTIVES To compare the sensitivities of expectorated and induced sputum for the diagnosis of Pneumocystis carinii pneumonia (PCP). DESIGN Retrospective review. SETTING Academic medical center. PATIENTS Forty-five patients diagnosed as having PCP who had direct fluorescent antibody testing for P carinii on either expectorated or induced sputum. RESULTS Patients were stratified a...
AIMS To study the prevalence of tuberculosis infection among children in household contact with adults having pulmonary tuberculosis, and identify the possible risk factors. METHODS Children under the age of 5 years who were in household contact with 200 consecutive adults with pulmonary tuberculosis underwent tuberculin skin testing. Transverse induration of greater than 10 mm was defined as...
BACKGROUND Rapid sputum culture conversion at 2 months indicates the sterilizing capacity and potential of regimens to shorten duration of tuberculosis treatment. We compared results of sputum culture conversion by moxifloxacin and control regimens and identified factors affecting sputum culture positivity after 2 months of treatment. METHODS Human immunodeficiency virus-uninfected adults wit...
BACKGROUND Due to frequent infections in cystic fibrosis (CF) patients, repeated respiratory cultures are obtained to inform treatment. When patients are unable to expectorate sputum, clinicians obtain throat swabs as a surrogate for lower respiratory cultures. There is no clear data in adult subjects demonstrating the adequacy of throat swabs as a surrogate for sputum or BAL. Our study was des...
BACKGROUND Pulmonary tuberculosis and anemia are both prevalent in Tanzania. There is limited and inconsistent literature on the association between anemia and sputum conversion following tuberculosis treatment. METHODS Newly diagnosed sputum smear positive pulmonary tuberculosis patients aged ≥15 years initiating on standard anti tuberculosis therapy were recruited from 14 of 54 tuberculosis...
BACKGROUND Potentially pathogenic microorganisms can be detected by quantitative real-time polymerase chain reaction (qPCR) in sputum from patients with COPD, although how this technique relates to culture and clinical measures of disease is unclear. We used cross-sectional and longitudinal data to test the hypotheses that qPCR is a more sensitive measure of bacterial presence and is associated...
The present study explores the application of LAMP for rapid diagnosis of pathogenic bacteria in clinical sputum specimens of AECOPD as compared with conventional sputum culturing method. 120 sputum specimens of AECOPD patients, 46 sputum specimens of healthy controls, as well as 166 serum specimens as negative controls, were evaluated by LAMP assay using primers of eight typical respiratory pa...
Confirmation of tuberculosis in young children is difficult as they seldom expectorate sputum. Gastric aspirates are invasive and stressful and like laryngeal swabs are seldom smear positive. Induction of sputum by nebulised hypertonic saline (3%) was attempted in 30 Malawian children aged 3-15 years and was successful in 29. Four sputa were smear positive and Mycobacterium tuberculosis was cul...
Thirty eight patients with chronic sputum expectoration underwent indium-111 labelled granulocyte lung scanning and measurement of whole body loss of indium-111 labelled granulocytes. Twenty four patients had radiologically proved bronchiectasis and 14 had mucus hypersecretion without radiological evidence of bronchiectasis. None was having an acute exacerbation at the time of the scan. The med...
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