Sputum Smear Microscopy
Novel methodology to assess sputum smear microscopy quality in private laboratories
... countries, sputum smear-microscopy is the most common test used to con- firm TB infection due to its limited cost and equipment ...the microscopy technician and involves several steps, all of ...
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Sputum Smear Microscopy: Evaluation of Impact of Training, Microscope Distribution, and Use of External Quality Assessment Guidelines for Resource Poor Settings
... Sputum smear microscopy is the main and often only laboratory technique used for the diagnosis of tuberculosis in resource-poor countries, making quality assurance (QA) of smear ...
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Comparative performance characteristics of the urine lipoarabinomannan strip test and sputum smear microscopy in hospitalized HIV infected patients with suspected tuberculosis in Harare, Zimbabwe
... Background: In Zimbabwe, sputum smear microscopy (SSM) is the routinely used TB diagnostic tool in hospitalised HIV-infected patients. However, SSM has poor sensitivity in HIV-infected patients. We ...
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Sensitivity of direct versus concentrated sputum smear microscopy in HIV infected patients suspected of having pulmonary tuberculosis
... Direct sputum smear microscopy is the cornerstone of tuberculosis (TB) diagnosis worldwide ...Direct smear microscopy is rapid, inexpensive [2-4], highly specific [5- 7], and capable of ...
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Does Bleach Processing Increase the Accuracy of Sputum Smear Microscopy for Diagnosing Pulmonary Tuberculosis?
... proach to TB diagnostics for the first time to develop guide- lines for improving sputum smear microscopy, and the results of this systematic review were considered by an expert group (28). Our ...
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The Results of Three Years Surveillance on Sputum Smear Microscopy in 285 District and Regional Tuberculosis Laboratories of Iran
... The smear was reported positive (6) as follows: 1-9 AFB were seen in 100 microscopic fields (few bacilli), 10- 99 AFB were seen in 100 fields (1+), 1-10 AFB per field in at least 50 fields (2+), and more than 10 ...
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Bacteriophage based tests for the detection of Mycobacterium tuberculosis in clinical specimens: a systematic review and meta analysis
... to sputum smear microscopy is that specimens need to be transported to a specialist reference ...than smear microscopy, need a trained microbiologist makes them less suitable in ...
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<p>Geographic Accessibility, Readiness, and Barriers of Health Facilities to Offer Tuberculosis Services in East Gojjam Zone, Ethiopia: A Convergent Parallel Design</p>
... no sputum smear ...of sputum smear microscopy services, establishing an ef fi cient mechanism for procurement, distribution, utilization and reporting of TB commodity supplies, and good ...
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Rifampin resistance and diabetes mellitus in a cross sectional study of adult patients in rural South India
... Abbreviations AFB: Acid-fast bacilli sputum smear microscopy; aRR: Adjusted risk ratio; AUC: Area under the curve; BCG: Bacille Calmette-Guérin; CI: Confidence interval; HIV: Human immun[r] ...
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Comparison of conventional and molecular methods for diagnosing Tuberculosis in pulmonary non-sputum samples
... 125-year-old sputum smear microscopy test, which has a number of drawbacks, including low sensitivity (especially in HIV-positive individuals and children) ...(AFB) smear and culture of such ...
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Choosing algorithms for TB screening: a modelling study to compare yield, predictive value and diagnostic burden
... historically sputum smear microscopy, and mycobacterial culture, which is the reference standard of diagnostic testing for TB [7], and the more recently developed molecular Xpert MTB/RIF assay ...
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Comparison of Single Sputum Smear (Home Collection) by Fluorescent Microscopy Vs Two Smears by Ziehl Neelsen Method (Routine RNTCP)
... fluorescence microscopy using Fluoreslen S by a blinded rechecking trial in Nairobi, Kenya ...fluorescent microscopy equipment are the major reasons why they are rarely used for sputum smear ...
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Revisiting Acid Fast Bacilli Microscopy of Concentrated Sputum Smears as an Efficient Tool for the Diagnosis of Tuberculosis: A Study from a Tertiary Care Centre in Southern India
... direct sputum smear microscopy, though limited in its sensitivity, is still the most common method of testing for ...concentrated sputum microscopy, have shown some promise in improving ...
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Diagnosis and Treatment Outcome of Smear Positive Pulmonary Tuberculosis: Retrospective study in Kpando Municipal, Ghana
... be smear positive pulmonary tuberculosis and was highest among 21-40 year ...new smear positives decreased from 27 ...new smear negatives also reduced from 19 ...High smear positivity was ...
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Bronchial Washing to Diagnose Smear Negative Pulmonary Tuberculosis
... the sputum on microscopic examination ...with smear-positive sputum. All patients with smear-positive pulmonary TB showed culture-positive sputum, but only 50% showed ...
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Trends and Treatment Outcomes of Tuberculosis in Debre Berhan Referral Hospital, Debre Drehan, Ethiopia
... TB, smear positive (SPPTB): SPPTB case is based on the presence of at least one acid fast bacillus (AFB+) in at least one sputum sample in countries with a well-functioning EQA ...initial sputum ...
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Tuberculosis outcomes in Papua, Indonesia: the relationship with different body mass index characteristics between Papuan and non-Papuan ethnic groups
... baseline smear grade and cavitary status in predicting early TB microbiological outcomes concur with many previous studies ...2-month sputum specimens in some instances, and numbers with unsuccessful ...
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Test characteristics and potential impact of the urine LAM lateral flow assay in HIV infected outpatients under investigation for TB and able to self expectorate sputum for diagnostic testing
... Table 2 Key diagnostic accuracy measures of LAM grade 2 cut-point, sputum Xpert MTB/RIF or smear microscopy alone or in combination for culture-confirmed versus culture-negative pulmonar[r] ...
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Whole Blood Interferon γ Release Assay Is Insufficient for the Diagnosis of Sputum Smear Negative Pulmonary Tuberculosis
... firmed to be PTB and the other 17 non-TB. The diagnosis of 17 non-TB indeterminate cases were as follows; pneumonia 7, malignancy 2, diffuse interstitial lung disease 1, NTM 1, TB sequelae 1, other 5. 9 out of 21 ...
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Modelling the impacts of new diagnostic tools for tuberculosis in developing countries to enhance policy decisions
... Fluorescence microscopy, but more significant for the aNAAT strategies and therefore needs to be compared to other potential interventions in the health service in Tanzania before ...
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