Role of the NT‑proBNP level in the diagnosis of pediatric heart failure and investigation of novel combined diagnostic criteria

Lin,Chun‑Wang; Zeng,Xiang‑Lin; Jiang,Shao‑Hu; Wu,Tong; Wang,Jiang‑Ping; Zhang,Jin‑Feng; Ou,Yang‑Hui

doi:10.3892/etm.2013.1250

Role of the NT‑proBNP level in the diagnosis of pediatric heart failure and investigation of novel combined diagnostic criteria

Authors:
- Chun‑Wang Lin
- Xiang‑Lin Zeng
- Shao‑Hu Jiang
- Tong Wu
- Jiang‑Ping Wang
- Jin‑Feng Zhang
- Yang‑Hui Ou
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Affiliations: Department of Pediatrics, The Women and Children's Health Care Hospital of Shunde, Shunde, Foshan, Guangdong 528300, P.R. China
Published online on: August 5, 2013 https://doi.org/10.3892/etm.2013.1250
Pages: 995-999

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Abstract

The aim of this study was to investigate the modified Ross criteria score and the diagnostic cut‑off level for plasmatic amino‑terminal pro‑brain natriuretic peptide (NT‑proBNP) in the diagnosis of pediatric heart failure, by analyzing the receiver operating characteristic (ROC) curve. The plasma NT‑proBNP level was measured in 80 children diagnosed with heart failure according to the modified Ross criteria, 80 children with non‑cardiogenic dyspnea and 80 healthy children. The NT‑proBNP levels were then compared using an F‑test. The cut‑off score for heart failure in the modified Ross criteria and the diagnostic cut‑off level for plasmatic NT‑proBNP in pediatric heart failure were determined by ROC curve analysis. The results demonstrated that the NT‑proBNP level was markedly increased in 76 of the 80 children with heart failure, and the correlation with the modified Ross criteria was 95%. Based on ROC curve analysis, the diagnosis of pediatric heart failure was most accurate when the modified Ross criteria score was ≥4 and the plasmatic NT‑proBNP level was ≥598 ng/l. The NT‑proBNP level was normal (0‑300 ng/l) in the children with non‑cardiogenic dyspnea and the healthy children. Significant differences were observed in the comparison of the three groups (P<0.01). In conclusion, a NT‑proBNP level of ≥598 ng/l, combined with a modified Ross criteria score ≥4, is highly diagnostic of heart failure in children.

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