Volume 21 Issue 2
Feb.  2023
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YANG Dan, HUANG Yu-li, XU Shu-nan. Relationship between Arg389Gly gene polymorphism and improved ventricular remodelling and clinical prognosis in patients with chronic heart failure[J]. Chinese Journal of General Practice, 2023, 21(2): 221-224. doi: 10.16766/j.cnki.issn.1674-4152.002850
Citation: YANG Dan, HUANG Yu-li, XU Shu-nan. Relationship between Arg389Gly gene polymorphism and improved ventricular remodelling and clinical prognosis in patients with chronic heart failure[J]. Chinese Journal of General Practice, 2023, 21(2): 221-224. doi: 10.16766/j.cnki.issn.1674-4152.002850

Relationship between Arg389Gly gene polymorphism and improved ventricular remodelling and clinical prognosis in patients with chronic heart failure

doi: 10.16766/j.cnki.issn.1674-4152.002850
Funds:

 sk2020A0351

  • Received Date: 2022-01-12
    Available Online: 2023-04-20
  •   Objective  To investigate the relationship between β1 adrenergic receptor Arg389Gly gene polymorphism and cardiac function changes and clinical prognosis in patients with chronic heart failure.  Methods  A total of 120 patients with chronic heart failure who were admitted in the First Affiliated Hospital of Bengbu Medical College from April 2020 to May 2021 were selected. Based on the Arg389Gly genotype, patients were divided into CC (43 cases), GC (56 cases) and GG (21 cases) groups. Clinical data were collected at admission, and patients were followed up for 6 months by outpatient or telephone after discharge and the changes of cardiac function and clinical prognosis of patients in 3 groups before and after drug treatment were analyzed.  Results  The frequency of the Arg389Gly genotype was in the following order: CC (35.8%), GC (46.7%) and GG (17.5%). After 6 months of follow-up, there were statistically significant differences in N-terminal pro-brain natriuretic peptide (NT-proBNP) decrease, left ventricular ejection fraction (LVEF) increase, left ventricular end diastolic dimension (LVDD) and left ventricular end-systolic diameter (LVDS) decrease among the three groups (all P < 0.05), and the improvement of CC group was significantly better than that of GG group (P < 0.017). The decrease of soluble growth stimulation expression gene 2 protein (sST2) in the three groups was statistically significant at 6 months follow-up (P=0.006), and the CC group was better than the GG group (P=0.014). During follow-up, a total of 44 patients had cardiac death, readmission caused by heart failure and malignant arrhythmia events. Log-rank test indicated that the incidence of endpoint events in the three groups was statistically significant (P=0.026). Kaplan-Meier curve indicated that the incidence of endpoint events in the CC group was lower than that in the GG group.  Conclusion  Arg389Gly gene polymorphism is associated with cardiac function changes and clinical prognosis in patients with chronic heart failure.

     

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