Key result
Plasma N-BNP measurement differentiated acute heart failure from lung disease in infants with respiratory distress, with higher median levels in heart failure.
Why the study?
Does plasma N-BNP measurement differentiate between acute heart failure and lung disease in infants presenting with respiratory distress?
Observational (n=48)
Does plasma N-BNP measurement differentiate between acute heart failure and lung disease in infants presenting with respiratory distress?
Answers are grounded in this paper and cite their sources.
Plasma N-BNP is a useful biomarker for differentiating acute heart failure from lung disease in infants with respiratory distress and for monitoring heart failure treatment.
OBJECTIVES: The aim of this study was to determine whether plasma levels of amino-terminal pro-brain natriuretic peptide (N-BNP) could differentiate between heart failure and lung disease among infants with acute respiratory distress. In addition, our aim was to determine whether plasma levels of N-BNP could be used to monitor the effects of treatment among infants with heart failure. METHODS: Infants (age range: 1-36 months; median age: 10 months) who presented with respiratory distress underwent physical examination, plasma N-BNP measurement, and echocardiography within 24 hours after admission. Seventeen infants were finally diagnosed with acute heart failure and 18 with acute lung disease. Thirteen healthy infants served as a control group. RESULTS: Plasma N-BNP levels were significantly higher for the infants with heart failure (median: 18452 pg/mL; range: 5375-99700 pg/mL) than for the infants with lung disease (median: 311 pg/mL; range: 76-1341 pg/mL). Among the infants with heart failure, there was a significant difference in plasma N-BNP levels before and after congestive heart failure treatment. CONCLUSION: Among infants with respiratory distress, plasma N-BNP measurements can differentiate between acute heart failure and lung disease and can be used to monitor the effects of treatment for infants with heart failure.
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Cohen et al. (2005) conducted an observational in Acute respiratory distress (n=48). Plasma N-BNP measurement vs. Lung disease was evaluated on Plasma N-BNP levels. Plasma N-BNP measurement differentiated acute heart failure from lung disease in infants with respiratory distress, with higher median levels in heart failure.
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