Cardiology · 2020
Fibroblast Growth Factor 21 Correlates with the Prognosis of Dilated Cardiomyopathy.
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Gu Lingyun, Jiang Wenlong, Zheng Ruolong, Yao Yuyu, Ma Genshan
Аннотация
OBJECTIVES: The goal of this study was to evaluate whether serum fibroblast growth factor 21 (FGF21) levels can be used to predict the prognosis of dilated cardiomyopathy (DCM).
METHODS: 241 patients with DCM and 80 control subjects were recruited and followed up for an average of 16.12 months. A 2-dimensional (2-D) echocardiography technique was performed to calculate the left ventricular end-diastolic diameter (LVEDD) and left ventricular ejection fraction (LVEF) percentages. The levels of N-terminal pro-B-type natriuretic peptide (NT-proBNP) and creatinine were measured in routine clinical laboratory tests. Serum FGF21 levels were measured by enzyme-linked immunosorbent assay (ELISA).
RESULTS: The levels of serum FGF21 were significantly higher in the DCM groups than in the control groups (225.85 ± 32.57 vs. 145.36 ± 30.57, p < 0.001). Serum FGF21 levels were positively correlated with the NYHA functional classification of heart failure (HF) (r = 0.610, p < 0.001) and NT-proBNP levels (r = 0.741, p < 0.001). Moreover, a negative correlation was observed between the serum FGF21 levels and the LVEF (r = -0.402, p < 0.001). FGF21, NT-proBNP, the LVEF and a history of atrial fibrillation (AF) correlated significantly with NYHA class IV (p < 0.05). The AUC of NT-proBNP for predicting NYHA class IV in DCM patients was greater than that of FGF21 (0.830 vs. 0.772, p < 0.001). Overall, 133 patients with DCM were recorded at the end point. Kaplan-Meier analysis results showed that the survival probability of those individuals with high levels of FGF21 and NT-proBNP was significantly lower than of those with low levels of these factors (p < 0.001). In the multivariate Cox analysis, FGF21 (HR 2.561; 95% CI 1.705-3.849) and NT-proBNP (HR 4.458; 95% CI 2.645-7.513) were independent predictors of a poor prognosis in DCM patients.
CONCLUSIONS: Serum FGF21 levels were associated with the risk factors, severity, and prognosis of DCM. Therefore, FGF21 may serve as a novel biomarker for the prognosis of DCM.
METHODS: 241 patients with DCM and 80 control subjects were recruited and followed up for an average of 16.12 months. A 2-dimensional (2-D) echocardiography technique was performed to calculate the left ventricular end-diastolic diameter (LVEDD) and left ventricular ejection fraction (LVEF) percentages. The levels of N-terminal pro-B-type natriuretic peptide (NT-proBNP) and creatinine were measured in routine clinical laboratory tests. Serum FGF21 levels were measured by enzyme-linked immunosorbent assay (ELISA).
RESULTS: The levels of serum FGF21 were significantly higher in the DCM groups than in the control groups (225.85 ± 32.57 vs. 145.36 ± 30.57, p < 0.001). Serum FGF21 levels were positively correlated with the NYHA functional classification of heart failure (HF) (r = 0.610, p < 0.001) and NT-proBNP levels (r = 0.741, p < 0.001). Moreover, a negative correlation was observed between the serum FGF21 levels and the LVEF (r = -0.402, p < 0.001). FGF21, NT-proBNP, the LVEF and a history of atrial fibrillation (AF) correlated significantly with NYHA class IV (p < 0.05). The AUC of NT-proBNP for predicting NYHA class IV in DCM patients was greater than that of FGF21 (0.830 vs. 0.772, p < 0.001). Overall, 133 patients with DCM were recorded at the end point. Kaplan-Meier analysis results showed that the survival probability of those individuals with high levels of FGF21 and NT-proBNP was significantly lower than of those with low levels of these factors (p < 0.001). In the multivariate Cox analysis, FGF21 (HR 2.561; 95% CI 1.705-3.849) and NT-proBNP (HR 4.458; 95% CI 2.645-7.513) were independent predictors of a poor prognosis in DCM patients.
CONCLUSIONS: Serum FGF21 levels were associated with the risk factors, severity, and prognosis of DCM. Therefore, FGF21 may serve as a novel biomarker for the prognosis of DCM.