Abstract: The immediate, short-term and long-term depressor effects, the immediate effects on cardiac functions in grade II and grade III vascular hypertension, and the effects on angiotensin II in grade III vascular hypertension by acupuncture at otoacupoint Heart were studied in 30 cases of vascular hypertensive patients. The immediate depressor effect of acupuncture at otoacupoint Stomach was also recorded for comparison.

It was found that acupuncture at otoacupoint Heart produced marked immediate depressor effect, and the short-term effective rate was 100, the long-term effective rate was 63.3%, as well as evident immediate effects on cardiac functional activities in grade II and grade III hypertension and marked effects on angiotensin II in grade TII hypertension. Acupuncture at otoacupoint Stomach produced no depressor effect on vascular hypertension.