Association between N-terminal pro-brain natriuretic peptide and acute ischemic stroke in patients on chronic hemodialysis

Yong Kyun Kim, Seok Joon Shin, Sang Hyun Ihm, Chan Seok Park, Hee Yeol Kim, Young Du Kim, Dong Suk Shim, Ho Cheol Song, Chul Woo Yang, Yong Soo Kim, Euy Jin Choi

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8 Scopus citations

Abstract

Background Plasma N-terminal pro-brain natriuretic peptide (NT-proBNP) has been reported as a predictor for ischemic stroke in general population. However, predictive value of plasma NT-proBNP for acute ischemic stroke in patients on chronic hemodialysis has not been well established. The aim of this study was to determine whether NT-proBNP could predict acute ischemic stroke in patients on chronic hemodialysis. Methods This study was designed prospectively. Clinical, laboratory, and echocardiographic variables were assessed in 72 patients on chronic hemodialysis. The plasma levels of NT-proBNP were measured by immunoassay. Results During the follow-up period of 45 months, 11 patients had an acute ischemic stroke. The Kaplan- Meier plot showed an increased frequency of acute ischemic stroke in patients with plasma levels of NTproBNP above the median values compared to patients with lower concentrations (P = 0.028). The multivariate Cox proportional hazard models showed that the NT-proBNP was a significant independent predictor of acute ischemic stroke after adjustment for age, sex, mean blood pressure, diabetes, serum cholesterol levels, left ventricular mass index, and left ventricular fractional shortening (HR 6.66, 95% CI, 1.22-36.48, P = 0.029). Conclusions Our data suggest that plasma NTproBNP levels predict the risk of acute ischemic stroke in patients on chronic hemodialysis.

Original languageEnglish
Pages (from-to)537-543
Number of pages7
JournalInternational Urology and Nephrology
Volume42
Issue number2
DOIs
StatePublished - Jun 2010

Bibliographical note

Funding Information:
Acknowledgments The authors wish to acknowledge the financial support of the Clinical Medicine Research Institute Foundation of Holy Family Hospital, and this study was also supported by a grant of the Korea Healthcare technology R&D Project, Ministry for Health, Welfare & Family Affairs, Republic of Korea (A084001).

Keywords

  • Hemodialysis
  • Left ventricular fractional shortening
  • Left ventricular mass index
  • N-terminal pro-brain natriuretic peptide
  • Stroke

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