Diagnostic accuracy of interleukin-22 and adenosine deaminase for tuberculous pleural effusions - 02/11/18
, Lei Chen a, ⁎ Bienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Objective |
Reliable markers for accurately diagnosing tuberculous pleural effusions (TPE) are needed. This study sought to investigate the diagnostic potential of pleural interleukin-22 (IL-22) and compare it with the performance of adenosine deaminase (ADA).
Method |
This prospective study involved 49 patients with TPE and 60 patients with pleural effusion of other causes. Pleural levels of IL-22 and ADA were determined, respectively, using ELISA or an enzymatic method. A receiver operating characteristic curve was constructed and the area under the curve (AUC) was calculated to summarize the diagnostic accuracy of single markers or marker combinations.
Results |
Levels of IL-22 in pleural effusion were significantly higher in TPE patients than in other patients (322.36 ± 406.65 vs. 83.13 ± 22.15 pg/ml, P < 0.05). With a cut-off value of 97.82 pg/ml, the diagnostic sensitivity of IL-22 for TPE was 71.42%, specificity was 81.67%, and the area under the curve (AUC) was 0.83. ADA levels were also increased in TPE, and its AUC for diagnosing TPE was 0.90. The combination of IL-22 and ADA enhanced diagnostic accuracy, offering sensitivity of 83.67%, specificity of 91.67%, and an AUC of 0.93.
Conclusion |
IL-22 may be useful for diagnosing TPE, and combining it with ADA may further enhance diagnostic accuracy. Our results justify more rigorous studies with larger samples to confirm the diagnostic potential of IL-22 for TPE.
Le texte complet de cet article est disponible en PDF.Keywords : Interleukin-22, Adenosine deaminase, Tuberculous pleural effusion, Diagnosis
Plan
Vol 66 - N° 4
P. 103-106 - novembre 2018 Retour au numéro
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