Journals / Türk Biyokimya Dergisi / 2009 / Cilt: 34 - Sayı: 3

The diagnostic value of the measurement of neopterin concentrations in body fluids for pulmonary tuberculosis

Vücut sıvılarında neopterin ölçümünün akciğer ve plevra tüberkülozundaki tanı değeri

Pages
134–138
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Despite to the mentionedrestrictions it might be useful for the follow up various disease conditions and evaluation of prognosis.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: In our study we investigated whether we could start the treatment according to neopterin levels in patients with suspected tuberculosis with negative radiological and sputum findings, withoutwaiting culture results.
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Key Findings & Data:Material: The study group included 33 tuberculosis suspected, 28 tuberculosis pleurisy patientsand 21 healthy controls.
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Conclusion & Impact:Despite to the mentionedrestrictions it might be useful for the follow up various disease conditions and evaluation of prognosis.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: In our study we investigated whether we could start the treatment according to neopterin levels in patients with suspected tuberculosis with negative radiological and sputum findings, withoutwaiting culture results. Material: The study group included 33 tuberculosis suspected, 28 tuberculosis pleurisy patientsand 21 healthy controls. These 33 tuberculosis suspected patients’ first 3 sputum samples werenegative. 18 of them are diagnosed as tuberculosis with clinic and culture results and drug therapybegan. 14 of patients’ culture results were positive and 4 of them culture results were negative. Method: Neopterin measurements were performed with high pressure liquid chromatography using fluorescent detector. Results: Urinary neopterin levels of the patients with tuberculosis 251.3±161.2 were higher thanthe healthy controls 135±22.6 µmol/mol creatinine (p=0.603). The levels of the patients with tuberculosis pleurisy, tuberculosis, non-tuberculosis patients and healthy controls were 890.9±1171.2,251.3±161.2, 158.5±92.4 and 135±22.6 µmol/mol creatinine (respectively). Serum neopterin levelsof tuberculosis patients, healthy controls, tuberculosis pleurisy andtuberculosis patients were25.8±9.5, 11.3±1.8, 43.0±27.4 and 19.9±8.7 nmol/L. Therefore BAL neopterin levels of tuberculosisgroup (21.5±6.3 nmol/L) were found significantly higher than non-tuberculosis group (12.8±3.6nmol/L) (p250 µmol/mol creatinine, without waiting culture results. The diagnostic use of neopterinmeasurements is considered very limited due to the very low specificity. Despite to the mentionedrestrictions it might be useful for the follow up various disease conditions and evaluation of prognosis.

Özet

Amaç: Neopterinin hücresel immün yanıtın bir belirteci olması nedeniyle, tüberküloz şüphesi olan fakat radyolojik ve balgam incelemelerinde tüberkülozla uyumlu sonuçlar alınamayan hastalarda uzun bir süre gerektiren kültür sonuçlarını beklemeden, neopterin düzeylerine bakılarak tedavi başlanıp başlanamayacağını araştırmaktı.Gereç: Çalışma grubu 33 tüberküloz şüpheli hasta, 21 sağlıklı kontrol ve 28 tüberküloz plörezili has tadan oluşturuldu. Tüberküloz şüphesi nedeniyle polikliniğe kabul edilen ve ilk 3 balgam mikrosko pileri negatif çıkan 33 hastanın 18’ine kültür sonuçları ve klinik durumları ile tüberküloz tanısı kon muş ve tedavilerine başlanmıştır. Tüberküloz tanısı konan 18 hastanın 14’ünde kültür sonuçları pozi tif bulunmuştur. 4 tanesinde ise kültür sonuçları negatif gelmiştir.Yöntem: Neopterin düzeyleri floresans detektörlü Yüksek Basınçlı Sıvı Kromatografisi ile ölçül dü.Bulgular: Tüberkülozlu hastaların idrar neopterin düzeyleri 251.3±161.2 sağlıklı bireyle rin 135±22.6 µmol/mol kreatinin bulundu (p=0.603). Tüberküloz plörezili hastalarda neopterin 890.9±1171.2, tüberkülozlularda 251.3±161.2, nontüberkülozlularda 158.5±92.4 ve sağlıklı kont rollerde 135±22.6 µmol/mol kreatinin bulundu. Tüberkülozlu hastaların serum neopterin düzey leri 25.8±9.5 , sağlıklı kontrollerin 11.3±1.8 ve tüberküloz plörezililerin 43.0±27.4 nmol/L ve non tüberkülozluların 19.9±8.7 nmol/L idi. Tüberkülozlu hasta grubunun bronko alveolar lavaj (BAL) neopterin düzeyleri (21.5±6.3 nmol/L), nontüberkülozlu gruptakilerden (12.8±3.6 nmol/L) yüksek saptandı (p

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Cite This Article

SERDAR, M. A., YAMAN, H., ERBİL, M. K., BİLGİ, C., ÇAYCI, T., AKGÜL, E. Ö., GÜMÜŞ, S., UÇAR, E., KURT, Y. G., TOZKOPARAN, E., DENİZ, Ö., ÇAKIR, E. (2022). The diagnostic value of the measurement of neopterin concentrations in body fluids for pulmonary tuberculosis. Türk Biyokimya Dergisi, Cilt: 34 - Sayı: 3, 134–138. https://ajindex.com/articles/613113

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