Articles with "xpert mtb" as a keyword



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Performance of the Xpert MTB/RIF Ultra Assay for Determining Cause of Death by TB in Tissue Samples Obtained by Minimally Invasive Autopsies

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Published in 2020 at "Chest"

DOI: 10.1016/j.chest.2020.06.071

Abstract: An estimated 1.5 million deaths were attributable to TB in 2018. However, some uncertainty exists as to the exact global figures, given that approximately 30% of incident cases are not diagnosed, and because of the… read more here.

Keywords: death; performance xpert; cause death; mtb rif ... See more keywords
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Performance of Xpert MTB/RIF Ultra assay on respiratory and extra-respiratory samples in a high-resource setting with a low tuberculosis prevalence.

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Published in 2020 at "Diagnostic microbiology and infectious disease"

DOI: 10.1016/j.diagmicrobio.2020.115235

Abstract: The Xpert MTB/RIF assay is a molecular assay that has improved the detection of tuberculosis and rifampicin resistance. However, its sensitivity is limited in patients with paucibacillary disease. Xpert MTB/RIF Ultra has been developed to… read more here.

Keywords: tuberculosis; xpert; mtb rif; respiratory ... See more keywords
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Analytical performance of the Xpert MTB/XDR® assay for tuberculosis and expanded resistance detection.

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Published in 2021 at "Diagnostic microbiology and infectious disease"

DOI: 10.1016/j.diagmicrobio.2021.115397

Abstract: In a manufacturer-independent laboratory validation study, the Xpert MTB/XDR® assay demonstrated equivalent limit of detection to Xpert MTB/RIF®, detected 100% of tested resistance mutations and showed some utility for resistance detection in strain mixtures. The… read more here.

Keywords: xpert mtb; xdr assay; mtb xdr; resistance detection ... See more keywords

Comparative evaluation of Xpert MTB/RIF and the new Xpert MTB/RIF ultra with respiratory and extra-pulmonary specimens for tuberculosis case detection in a low incidence setting

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Published in 2019 at "Journal of Clinical Tuberculosis and Other Mycobacterial Diseases"

DOI: 10.1016/j.jctube.2019.100094

Abstract: Background The Xpert MTB/RIF assay (Xpert) is an automated molecular test for the detection of tuberculosis and rifampin resistance (RIF-R), but it lacks sensitivity in smear-negative samples and some limitations in determination of RIF-R have… read more here.

Keywords: xpert mtb; tuberculosis; xpert; mtb rif ... See more keywords

Cost-Effectiveness Analysis of Xpert MTB/RIF for Multi-Outcomes of Presumptive Pulmonary Tuberculosis Patients in Thailand.

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Published in 2020 at "Value in health regional issues"

DOI: 10.1016/j.vhri.2019.09.010

Abstract: OBJECTIVES The cost-effectiveness of screening adult patients for pulmonary tuberculosis is not clear. As such, this study aims to identify the cost-effectiveness between the Xpert MTB/RIF assay and the sputum acid-fast bacilli (AFB) smear. Multi-outcomes… read more here.

Keywords: cost; xpert mtb; mtb rif; diagnosis ... See more keywords
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Diagnostic values of Xpert MTB/RIF, T-SPOT.TB and adenosine deaminase for HIV-negative tuberculous pericarditis in a high burden setting: a prospective observational study

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Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-73220-y

Abstract: The diagnosis of tuberculous pericarditis (TBP) remains challenging. This prospective study evaluated the diagnostic value of Xpert MTB/RIF (Xpert) and T-SPOT.TB and adenosine deaminase (ADA) for TBP in a high burden setting. A total of… read more here.

Keywords: spot; value; tuberculous pericarditis; spot adenosine ... See more keywords

Advancing tuberculosis diagnosis and management in cynomolgus macaques using Xpert MTB/RIF ultra assay

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-51824-y

Abstract: The detection and management of Mycobacterium tuberculosis complex (MTBC) infection, the causative agent of tuberculosis (TB), in macaques, including cynomolgus macaques (Macaca fascicularis), are of significant concern in research and regions where macaques coexist with… read more here.

Keywords: rif ultra; ultra assay; xpert mtb; mtb rif ... See more keywords

Usefulness of Xpert MTB/RIF Ultra for rapid diagnosis of extrapulmonary tuberculosis in Tunisia

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-52130-3

Abstract: Extrapulmonary tuberculosis (EPTB) remains a challenging diagnosis. The purpose of this study was to assess the accuracy of Xpert MTB/RIF Ultra (Cepheid, USA) for rapid diagnosis of EPTB in Tunisia. Eight hundred and forty-seven extrapulmonary… read more here.

Keywords: diagnosis; xpert mtb; rif ultra; xpert ultra ... See more keywords

Which sample type is better for Xpert MTB/RIF to diagnose adult and pediatric pulmonary tuberculosis?

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Published in 2020 at "Bioscience Reports"

DOI: 10.1042/bsr20200308

Abstract: Abstract Objective: This review aimed to identify proper respiratory-related sample types for adult and pediatric pulmonary tuberculosis (PTB), respectively, by comparing performance of Xpert MTB/RIF when using bronchoalveolar lavage (BAL), induced sputum (IS), expectorated sputum… read more here.

Keywords: adult; xpert mtb; mtb rif; group ... See more keywords
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Rifampicin Resistance and Multidrug-Resistant Tuberculosis Detection Using Xpert MTB/RIF in Wuhan, China: A Retrospective Study.

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Published in 2018 at "Microbial drug resistance"

DOI: 10.1089/mdr.2017.0114

Abstract: BACKGROUND The Xpert MTB/RIF test (Cepheid, Sunnyvale, CA) can simultaneously detect the Mycobacterium tuberculosis (MTB) complex DNA and rifampicin (RFP) resistance and can rapidly determine RFP resistance and predict multidrug-resistant tuberculosis (MDR-TB). In this study,… read more here.

Keywords: rfp; mtb; resistance; mtb rif ... See more keywords

Xpert MTB/RIF Improves the Prognosis of Multidrug-Resistant Tuberculosis Patients Through Faster Diagnosis and Earlier Targeted Treatment: A Prospective Cohort Study.

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Published in 2022 at "Microbial drug resistance"

DOI: 10.1089/mdr.2021.0149

Abstract: Objective: To evaluate the effectiveness of Xpert MTB/RIF in patients with multidrug-resistant tuberculosis (MDR-TB). Methods: Seventy-five patients with MDR-TB were enrolled in this prospective cohort study and were divided into two groups. The observation group… read more here.

Keywords: mtb rif; treatment; xpert mtb;