Diagnostic value of pleural fluid N-terminal pro-brain natriuretic peptide levels in patients with cardiovascular diseases

Respirology : Official Journal of the Asian Pacific Society of Respirology
Huai LiaoR W Light

Abstract

The diagnosis of the cause of pleural effusions caused by cardiovascular diseases such as congestive heart failure (CHF) and acute pulmonary embolism is sometimes difficult. The purpose of the present study was to evaluate the utility of pleural fluid levels of N-terminal pro-brain natriuretic peptide (NT-proBNP) in differentiating pleural effusions due to CHF, pulmonary embolism and post-coronary artery bypass graft (CABG) surgery. The levels of pleural fluid NT-proBNP were measured by ELISA in a total of 40 patients: 10 with CHF, 10 with pulmonary embolism, 10 post-CABG and 10 with carcinoma. The median level of NT-proBNP in the pleural fluid of patients with CHF was 5390 pg/mL (25th to 75th percentiles, 4566 to 8158 pg/mL), which was significantly higher than that in patients with post-CABG effusions (424 pg/mL, 352 to 873), with pulmonary embolism (311 pg/mL, 212 to 1159), or with carcinoma (302 pg/mL, 208 to 626) (P < 0.001, CHF group vs all other groups). In receiver-operating curve analysis, an NT-proBNP level of >or=2220 pg/mL demonstrated a sensitivity of 100% and a specificity of 96.7% for the identification of CHF. Measurement of the NT-proBNP level in pleural fluid is accurate in diagnosing the etiology of the effus...Continue Reading

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Citations

Feb 5, 2009·Respirology : Official Journal of the Asian Pacific Society of Respirology·Richard Ruffin, Philip G Bardin
Apr 9, 2009·Respirology : Official Journal of the Asian Pacific Society of Respirology·Martin R J Kolb, Ian Yang
Aug 4, 2009·Respirology : Official Journal of the Asian Pacific Society of Respirology·José M Porcel
Jan 26, 2011·Respirology : Official Journal of the Asian Pacific Society of Respirology·Felipe C A MarinhoLisete R Teixeira
Mar 27, 2012·Pulmonary Medicine·T HassanN G McElvaney
Apr 14, 2009·Chest·José M PorcelAureli Esquerda
Feb 16, 2013·Clinics in Chest Medicine·Richard W Light
Apr 9, 2011·Archivos de bronconeumología·Luis ValdésSteven A Sahn
Aug 17, 2011·Respiratory Medicine·Oner DikensoyRichard W Light
Apr 16, 2010·Respiratory Medicine·Emmet E McGrathPaul B Anderson
May 31, 2011·Clinica Chimica Acta; International Journal of Clinical Chemistry·JianQing SongQiHui Wang
Dec 1, 2010·Annals of Clinical Biochemistry·Savas OzsuTevfik Ozlu

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