Journals / Toraks Dergisi / 2004 / Cilt: 5 - Sayı: 3

Diagnostic value of adenosine deaminase and Its isoenzym in tuberculous pleural effusions

Tüberküloz plörezide adenozin deaminaz ve izoenzimlerinin tanı değeri

Pages
166–170
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

In contrast, total ADA value in serum has no value for diagnosis.

📌 3 Key Takeaways

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Objective & Hypothesis:Twenty percent of patients of pleural effusion have no diagnosis with classical methods.
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Key Findings & Data:The pleural effusions of 121 patients were diagnosed in SSK Süreyyapaşa Hospital and SSK Göztepe Hospital in between June 2000 and January 2001.
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Conclusion & Impact:In contrast, total ADA value in serum has no value for diagnosis.
🔬Design:Research Article
📍Scope:2000 Verileri
⚙️Variables:Plevral efüzyon · Tüberküloz · Adenozin deaminaz

Abstract

Twenty percent of patients of pleural effusion have no diagnosis with classical methods. We aimed to investigate diagnostic value of ADA, which is applied easily, and noninvasive method for tuberculous pleural effusion. The pleural effusions of 121 patients were diagnosed in SSK Süreyyapaşa Hospital and SSK Göztepe Hospital in between June 2000 and January 2001. The cases were designated as tuberculosis or nontuberculosis group. ADA and isoenziyms were determined by the colorimetric method described by Giusti and Galanti. We have 121 patients who were 22 women and 99 men. Their ages are between 16 and 84 mean was 51.7±16.9. Thirty patients were tuberculosis. The differences of two groups were statistically significant for total ADA, ADA1 and ADA2 (p<0.05). The sensitivities of total ADA, ADA1 and ADA2 activities for tuberculosis were 93, 90, 87% respectively; their specificities were 95, 95, 96% respectively; their positive predictive values were 88, 87, 89% respectively; their negative predictive values were 98, 96, 89% respectively in pleural effusion. The sensitivities of total ADA, ADA1 and ADA2 activities for tuberculosis were 80, 77, and 77% respectively; their specificities were 43, 31, 48% respectively; their positive predictive values were 41, 29, 35% respectively; their negative predictive values were 85, 78, 85% respectively in serum. Isoenzyms of ADA have not more contributed than total ADA for diagnosis. This study shown that value of total ADA and isoenzymes may help to differentiate for diagnosis of tuberculosis pleural effusion. In contrast, total ADA value in serum has no value for diagnosis.

Özet

Plevral efüzyonların %20’sinde klasik metotlarla tanıya ulaşılamamaktadır. Tüberküloz plörezi için kolay uygulanabilen ve invaziv olmayan bir metot olan Adenozin deaminazın (ADA) tanıdaki yerini değerlendirmek amacıyla bu çalışma planlandı. Bu çalışmaya, Haziran 2000 ile Ocak 2001 tarihleri arasında SSK Süreyyapaşa Hastanesi ve SSK Göztepe Hastanesi’ne başvuran, kesin tanıları konulmuş 121 plevral efüzyonlu hasta alındı. Hastalar tüberküloz ve tüberküloz dışı şeklinde 2 gruba ayrıldı. ADA ve izoenzimlerinin aktivitesi Guisti ve Galanti kolorimetrik metoduyla tayin edildi. Çalışmaya alınan 121 hastanın 22’si kadın (%18), 99’u erkekti; (%82) 16 ile 84 arasında olan yaş ortalaması 51.7±16.9’du. Bunların 30’u tüberküloz plörezi idi. İki gruptaki total ADA, ADA1 ve ADA2 arasındaki fark istatistiksel olarak anlamlı bulundu (p<0.05). Plevra sıvısında total ADA, ADA1 ve ADA2 için sırayla duyarlılık %93, 90, 87; özgüllük %95, 95, 96; pozitif prediktif değer %88, 87, 89; negatif prediktif değer %98, 96, 89 bulundu. Serumda total ADA, ADA1 ve ADA2 için sırayla duyarlılık %80, 77, 77; özgüllük %43, 31, 48; pozitif prediktif değer %41, 29, 35; negatif prediktif değer %85, 78, 85 bulundu. ADA izoenzimlerinin tanıya anlamlı bir katkısı olmadığı tespit edildi. Bu çalışmada, plevral sıvıda ADA ve izoenzimlerinin tüberküloz plörezi tanısında kullanılabileceğini önerecek bulgulara ulaşıldı. Ancak serum değerleri için gerekli bulgulara ulaşılamadı.

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Cite This Article

ÖZVARAN, M. K., OKUR, H., ÖZGEL, M., ERTUĞRUL, M., BARAN, R. (2004). Diagnostic value of adenosine deaminase and Its isoenzym in tuberculous pleural effusions. Toraks Dergisi, Cilt: 5 - Sayı: 3, 166–170. https://ajindex.com/articles/368103

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