WANG Zhengzheng,HUANG Nian,NIU Jie,et al.Effect of Hongqi (Radix Hedysari) on Cardiac Function and Energy Metabolism Remodeling in Rats with Heart Failure after Myocardial Infarction[J].Journal of Traditional Chinese Medicine,2023,64(05):518-522.
WANG Zhengzheng,HUANG Nian,NIU Jie,et al.Effect of Hongqi (Radix Hedysari) on Cardiac Function and Energy Metabolism Remodeling in Rats with Heart Failure after Myocardial Infarction[J].Journal of Traditional Chinese Medicine,2023,64(05):518-522.DOI: 10.13288/j.11-2166/r.2023.05.015.
Effect of Hongqi (Radix Hedysari) on Cardiac Function and Energy Metabolism Remodeling in Rats with Heart Failure after Myocardial Infarction
) in treatment of heart failure after myocardial infarction.
Methods
2
A total of 120 rats were randomly divided into the modeling group (n=110) and sham operation group (n=10).The rat model of heart failure after myocardial infarction was established by ligating the left anterior descending coronary artery. Seventy-five successfully modeled rats were randomly divided into Hongqi group, Hongqi half-dose group, Huangqi (
Radix Astragali
) group, trimetazidine group and model group, with 15 rats in each group. Hongqi group was given 1.5 g/(kg·d) of Hongqi extract by gavage, while the half-dose group was given 0.75 g/(kg·d) by gavage; Huangqi group was given 1.5 g/(kg·d) of Huangqi extract by gavage; trimetazidine group was given 7.5 mg/(kg·d) of trimetazidine by gavage; rats in the model group and sham operation group were given 10 ml/(kg·d) of normal saline by gavage. After two weeks, the cardiac function, serum lactic acid (LAC) and free fatty acids (FFA) were measured.
Results
2
Compared to those in the sham operation group, the left ventricular ejection fraction (EF) and left ventricular shortening rate (FS) in the model group decreased significantly, while the left ventricular end systolic diameter (LVIDs), left ventricular end diastolic diameter (LVIDd) and FFA increased significantly (
P
<0.05). Compared to those in the model group, the EF, FS and LAC in the Hongqi group increased significantly, while the LVIDs and FFA decreased significantly; the EF and FS in the trimetazidine group increased significantly, while the LVIDs, LVIDd and FFA were reduced; the FFA in the Huangqi group increased significantly (
P
<0.05 or
P
<0.01). Compared to those in the half-dose Hongqi group, the EF and FS in the Hongqi group increased significantly, while the FFA decreased (
P
<0.05). There was no significant difference in left ventricular posterior wall end systole (LVPWs) and left ventricular posterior wall end diastole (LVPWd) among the rats in each group (
P
>0.05). Compared to the Huangqi group, the Hongqi group had significantly decreased FFA (
P
<0.01).
Conclusion
2
Hongqi can increase EF and improve the remodeling of cardiac energy metabolism in rats with heart failure after myocardial infarction. Its mechanism may be related to increasing the oxidative energy supply of fatty acids and reducing lactic acid.
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