Plasma B-type natriuretic peptide levels in children with heart disease

Walter Knirsch1, Eliane Häusermann, Margrit Fasnacht

  • 1Division of Pediatric Cardiology, University Children's Hospital Zurich, Zurich, Switzerland. walter.knirsch@kispi.uzh.ch

Insights

Plasma B-type natriuretic peptide (BNP) levels are elevated in children with heart disease. BNP monitoring is useful for assessing treatment effectiveness in pediatric cardiology patients.

Area of Science:

  • Pediatric Cardiology
  • Biomarkers
  • Cardiovascular Research

Background:

  • Heart diseases in children, including congenital heart disease (CHD), cardiomyopathies (CMP), and pulmonary arterial hypertension (PAH), present significant clinical challenges.
  • Accurate monitoring of disease severity and treatment response is crucial for optimizing outcomes in pediatric cardiac patients.

Purpose of the Study:

  • To determine plasma B-type natriuretic peptide (BNP) levels in children with various heart conditions.
  • To evaluate the utility of plasma BNP as a monitoring tool for therapeutic efficacy before and during treatment in pediatric heart disease.

Main Methods:

  • An observational prospective clinical trial was conducted involving 522 pediatric patients (14 days to 18 years).
  • Plasma BNP levels were measured in children diagnosed with CHD, CMP, or PAH before and during medical or surgical treatment.

Main Results:

  • Elevated plasma BNP levels were observed in most pediatric heart disease types prior to treatment.
  • Cardiomyopathies showed the highest pre-treatment BNP levels, particularly dilated CMP.
  • Significant reductions in BNP levels were noted in children with PAH under medical treatment and in those with univentricular CHD post-surgical palliation.

Conclusions:

  • Plasma BNP levels are significantly elevated in children with heart disease before intervention.
  • BNP serves as a valuable laboratory parameter for monitoring treatment response and guiding long-term follow-up in pediatric cardiovascular conditions.
Abstract

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