NT-proBNP changes in patients with ascites during large volume paracentesis

Vi Nguyen, Rob Zielinski, Paul Harnett, Katherine Miller, Henry Chan, Nikitha Vootakuru, Priya Acharya, Montaha Khan, Oliver Gibbs, Sarika Gupta, Anjla Devi, Shani Phillips, Jacob George, David van der Poorten

Research output: Contribution to journalArticlepeer-review

Abstract

N-terminal probrain natriuretic peptide (NT-proBNP) is a hormone involved in the regulation of cardiovascular homeostasis. Changes in serum NT-proBNP during large volume paracentesis (LVP) in patients with ascites have never before been examined. Aims. To determine if significant changes in serum NT-proBNP occur in patients undergoing LVP and the associated clinical correlates in patients with cirrhosis. Method. A total of 45 patients with ascites were prospectively recruited. Serum NTproBNP, biochemistry, and haemodynamics were determined at baseline and at key time points during and after paracentesis. Results. 34 patients were analysed; 19 had ascites due to cirrhosis and 15 from malignancy. In those with cirrhosis, NT-proBNP decreased by 77.3 pg/mL at 2 L of drainage and 94.3 pg/mL at the end of paracentesis, compared with an increase of 10.5 pg/mL and 77.2 pg/mL in cancer patients at the same time points (𝑃 = 0.05 and 𝑃 = 0.03). Only congestive cardiac failure (CCF) was an independent predictor of significant NT-proBNP changes at the end of drainage in cirrhotic patients (𝑃 < 0.01). There were no significant changes in haemodynamics or renal biochemistry for either group. Conclusion. Significant reductions in serum NTproBNP during LVP occur in patients with cirrhosis but notmalignancy, and only comorbid CCF appeared to predict such changes.
Original languageEnglish
Article number959474
Number of pages7
JournalISRN Hepatology
Volume2013
DOIs
Publication statusPublished - 2013

Open Access - Access Right Statement

© 2013 Vi Nguyen et al. This is an open access article distributed under the Creative Commons Attribution License (https://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords

  • patients
  • paracentesis
  • ascites
  • serum

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