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KMID : 0615719900070010187
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Jouranl of Korean Acupuncture and Moxibustion society
1990 Volume.7 No. 1 p.187 ~ p.202
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Effect of SIN MUN ( H7 ) - Acupuncture on Changes in Blood Pressure and Heart Rate by α - and β - agonists in the Cat
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Abstract
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In order to determine the underlying mechanism by which (SIN MUNH_7) acupuncture decreases blood pressure, changes in blood pressure and heart rate by α-and β-agonist were observed 30 min before and after 5IN MUN (H_7) acupuncture in intact and vagotomized cats.
Results obtained as follows:
1. SIN MUN(H_7)-acupuncture decreased systolic and diastolic pressure, and it also decreased the heart rate with a similar parttern.
2. SIN MUN(H_7)-acupuncture attenuated decrease in blood pressure and increase in heart rate by β-agonist, isoproterenol(5 ㎍).
3. SIN MUN(H_7)-acupuncture attenuated increase in pressure and decrease in heart rate by α-agonist, phynylephrine(30㎍).
4. Effect of SIN MUN(H_7) acupuncture on changes in blood pressure and heart rate by isoproterenol or phenylephrine reduced in the vagotomized cat.
These results suggest that the effect of SIN MUN(H_7) acupuncture on blood pressure and heart rate is in part mediated through the vagus nerve.
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