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  • Title: [Plasma concentration of growth-differentiation factor-15 in children with congenital heart disease: relation ship to heart function and diagnostic value in heart failure].
    Author: Li Y, Wang XM, Liu YL, Shi K, Yang YF, Guo YH.
    Journal: Zhongguo Dang Dai Er Ke Za Zhi; 2013 Feb; 15(2):95-8. PubMed ID: 23428120.
    Abstract:
    OBJECTIVE: To study the correlation between growth differentiation factor-15(GDF-15) and cardiac function in pediatric patients with congenital heart disease, and the diagnostic value of GDF-15 in heart failure(HF). METHODS: From March 2011 to May 2012, 97 pediatric patients with congenital heart disease(CHD) who consecutively attended Chengdu Women's & Children's Central Hospital were enrolled in the study and assigned to HF (patients with heart failure, n=71) and Non-HF(patients without heart failure, n=26) groups. HF was defined as patients presenting with modified Ross score≥3. Plasma concentrations of GDF-15 and NT-proBNP were determined using ELISA. Left ventricular ejection fraction(LVEF) was tested by echocardiography. The correlation between GDF-15 and modified Ross score, LVEF and NT-proBNP was evaluated with Spearman's analysis. The area under the receiver-operating characteristic(ROC) curve for GDF-15 was examined, and the cut-off concentration of GDF-15 for diagnosing HF was detected. RESULTS: The HF group demonstrated higher levels of GDF-15 and NT-proBNP, and a lower LVEF level (P<0.01) than the Non-HF group. Plasma GDF-15 level was positively correlated with modified Ross score and plasma NT-proBNP concentration (r=0.705, r=0.810 respectively; P<0.01), and negatively correlated with LVEF(r=-0.391, P<0.01). According to ROC analysis, the AUC of GDF-15 for detection of HF was 0.757. Sensitivity and specificity was 68.8% and 71.2% respectively for the cut-off value of 1306 ng/mL. CONCLUSIONS: Plasma GDF-15 levels are significantly elevated in children with HF induced by CHD. Plasma GDF-15 levels are related to cardiac function, LVEF and plasma concentration of NT-proBNP. GDF-15 may potentially indicate HF in pediatric patients with CHD.
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