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Elevation of B-type natriuretic peptide is a sensitive marker of left ventricular diastolic dysfunction in patients

Hong Liu1, Ying-Zi Zhang, Min Gao

  • 1Institute of Nephrology, Zhong Da Hospital, Southeast University, Nanjing, Jiangsu Province, China.

Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
|June 12, 2010
PubMed

Insights

This study shows that B-type natriuretic peptide (BNP) can help diagnose left ventricular diastolic dysfunction (LVDD) in patients undergoing maintenance hemodialysis. Elevated BNP levels are a potential indicator for LVDD in this population.

Area of Science:

  • Cardiology
  • Nephrology
  • Biomarker Research

Background:

  • Left ventricular diastolic dysfunction (LVDD) is common in patients undergoing maintenance hemodialysis (MHD).
  • Accurate diagnosis of LVDD is crucial for managing cardiovascular complications in MHD patients.

Purpose of the Study:

  • To evaluate the clinical utility of B-type natriuretic peptide (BNP) as a diagnostic biomarker for LVDD.
  • To assess BNP's effectiveness in MHD patients with preserved systolic function.

Main Methods:

  • Plasma BNP levels were measured in 59 MHD patients with normal ejection fraction.
  • Diastolic function was assessed using tissue Doppler imaging to determine the E'/A' ratio.

Main Results:

  • Left ventricular diastolic dysfunction (LVDD) was present in 66% of the studied MHD patients.
  • Receiver-operating characteristic (ROC) curve analysis indicated a BNP cut-off of 353.6 pg/mL for optimal LVDD detection.

Conclusions:

  • Plasma BNP demonstrates potential as a valuable biomarker for diagnosing LVDD.
  • BNP can aid in identifying LVDD in maintenance hemodialysis patients with normal systolic function.
Abstract

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