Measurement of effects of the Chinese herbal medicine higenamine on left ventricular function using a cardiac probe

Area of Science:

• Cardiology
• Pharmacology
• Traditional Chinese Medicine

Background:

• Left ventricular (LV) dysfunction is a critical concern in heart disease.
• Exploring novel therapeutic agents for improving cardiac function is essential.
• Higenamine is a compound derived from traditional Chinese herbal medicine.

Purpose of the Study:

• To investigate the effects of higenamine on left ventricular function in patients with heart disease.
• To quantify the impact of higenamine on ejection fraction and ejection rate.

Main Methods:

• A study involving 15 patients diagnosed with heart disease.
• Intravenous administration of higenamine.
• Utilizing an external radiation detector to measure left ventricular function parameters.
• Monitoring changes in Left Ventricular Ejection Fraction (LVEF) and heart rate over time.

Main Results:

• Intravenous higenamine significantly increased Left Ventricular Ejection Fraction (LVEF).
• LVEF rose from a baseline of 46% +/- 9% to 60% +/- 15% at 30 minutes and 61% +/- 12% at 60 minutes (P < 0.005).
• The increase in LVEF correlated with an increase in heart rate, similar to the effects of isoproterenol.

Conclusions:

• Higenamine demonstrates significant positive pharmacologic effects on left ventricular function.
• This Chinese herbal medicine shows potential as a therapeutic agent for improving cardiac performance in heart disease.
• The findings support the clinical application of higenamine in managing cardiac dysfunction.