Xpert MTB/RIF in the Diagnosis of Mediastinal Tuberculous Lymphadenitis by Endoscopic Ultrasound-Guided Needle Aspiration Techniques: A Systematic Review and Meta-Analysis
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Published:2023
Issue:3
Volume:102
Page:237-246
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ISSN:0025-7931
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Container-title:Respiration
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language:en
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Short-container-title:Respiration
Author:
Mondoni MicheleORCID,
Saderi LauraORCID,
Puci Mariangela Valentina,
De Pascalis Sabrina,
Re Beatrice,
Centanni Stefano,
Sotgiu Giovanni
Abstract
Background: Lymphadenopathy is one of the most prevalent clinical manifestations of extrapulmonary tuberculosis. Endosonography is the recommended technique in the diagnostic work-up of mediastinal lymphadenopathies. Xpert MTB/RIF assay is a self-contained cartridge-based fully automated DNA testing platform which can accurately detect both tuberculosis and mycobacterial resistance to rifampicin. A few studies assessed its accuracy for mediastinal lymph node aspirates collected using endosonography. A systematic review of observational studies was performed to provide a pooled estimate of sensitivity and specificity of Xpert MTB/RIF in the diagnosis of mediastinal tuberculous lymphadenitis using endoscopic ultrasound-guided needle aspiration techniques. Methods: A search of the scientific evidence was carried out using PubMed, Embase, and Scopus. Articles describing observational studies on Xpert MTB/RIF in the diagnosis of mediastinal tuberculous lymphadenitis using endoscopic ultrasound-guided needle aspiration techniques were selected. Results: Eight studies met the inclusion criteria. The overall pooled sensitivity was 61% (95% CI = 55–68%; I2 = 66.3%; p = 0.004), overall pooled specificity was 89% (95% CI = 85–91%; I2 = 90.1%; p < 0.0001). Area under the sROC curve was 0.68. Only one study reported data on rifampin resistance detection and showed a sensitivity of 83.3% and a specificity of 16%. Conclusions: Xpert MTB/RIF shows a good accuracy in the diagnosis of mediastinal mycobacterial lymphadenitis by endosonographic needle aspiration techniques. It should be always recommended for suspected mediastinal tuberculosis.
Subject
Pulmonary and Respiratory Medicine
Cited by
1 articles.
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