• The Department of Respiratory and Critical Care Medicine, Ward 2, The Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P. R. China;
ZHANG Jianyong, Email: 610559131@qq.com
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Objective To investigate the diagnostic value of internal medicine thoracoscope combined with pleural GeneXpert MTB/RIF for tuberculous pleurisy.Methods Eighty patients with tuberculous pleurisy admitted to hospital with pleural effusion were treated as tuberculous pleurisy group, and 20 patients with clinical diagnosis of malignant pleural effusion were used as control group. After admission to the hospital, the pre-operative examination of internal medicine thoracoscope were analyzed. All patients were extracted pleural effusion with thoracic puncture in order to send pleural tuberculosis smear and culture. Patients who had no contraindications were arranged internal medicine thoracoscope to get pleural effusion which will be sent to GeneXpert MTB/RIF and pathological tissue biopsy.Results In the tuberculous pleurisy group, nine patients were positive in pleural tuberculous smear, and the positive rate was 11.3%; 4 patients were positive in pleural tuberculous culture, and the positive rate was 5.0%; 75 patients were diagnosed with pathological biopsy, and the positive rate was 93.8%; 69 patients were positive with pleural GeneXpert MTB/RIF, and the positive rate was 86.3%. The positive rate of internal medicine thoracoscopic pleural biopsy combined with pleural GeneXpert MTB/RIF could reached 96.3%. The pleural GeneXpert MTB/RIF lifampin resistance gene was positive in 5 patients, 4 of them were positive for tuberculosis culture, and the drug sensitivity results showed rifampicin resistance. In the control group, patients had negative result in pleural effusion tuberculosis smear, tuberculosis culture and the pleural GeneXpert MTB/RIF.Conclusions The diagnosis of tuberculous pleurisy by the combination of internal medicine thoracoscope and pleural GeneXpert MTB/RIF has high specificity and sensitivity. The diagnosis of tuberculous pleurisy by the combination of internal medicine thoracoscope and pleural GeneXpert MTB/RIF has high specificity and sensitivity, which has the value of rapid and accurate diagnosis and early guidance of anti-tuberculosis chemotherapy based on the early judgment of whether rifampin resistance exists.

Citation: RAN Yan, ZHANG Jianyong, ZHAO Jianjun. The diagnostic value of internal medicine thoracoscope combined with pleural GeneXpert MTB/RIF for tuberculous pleurisy. Chinese Journal of Respiratory and Critical Care Medicine, 2020, 19(1): 12-15. doi: 10.7507/1671-6205.201902009 Copy

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