--An Analysis of 50 Cases--
Beijing Second Hospital
Fifty patients with coronary heart disease and 20 normal controls were acupunctured at points Shangzhong, Jiuwei, Neiguan, Zusanli and Sanyinjiao. Twenty-five patients with coronary heart disease were acupunctured at random points. The average ages in the three groups were 57, 55.6 and 56 respectively. A rheoencephalogram was obtained before and after acupuncture in every person treated, using a rheoencephalograph machine of Model XLF 73, and the results were compared.
1. Before acupuncture: In patients with coronary heart disease the in-flow time à measured was 0.25 sec. The wave amplitude h was 0.095ê, rapid in-flow segment h', 0.059ê, tension index h/h' 1.76, resistance index c/h, 0.82. In normal persons the corresponding figures were à, 0.19 sec., h, 0.135ê, h', 0.094ê, h/h', 1.38, c/h, 0.07. When compared with the normal controls, the patients showed a prolonged à, a lower h and h', and an increase of h/h' and c/h. The differences in the values between the two groups were highly significant (P<0.001). Therefore abnormal rheoencephalogram was more frequently seen and more serious in patients with coronary heart disease than in normal persons of the same age.
It also indicates that circulatory lesions in the brain often occurs in patients with coronary heart disease. This could be due to the presence of common regulatory factors in the heart and the brain.
2. After acupuncture: After needling the group of points for coronary heart disease, à was shortened by 0.029 sec, h, increased by 0.044ê, h', increased by 0.042ê, h/h', decreased by 0.33, c/h, decreased by 0.10 and there was improvement in the shape of the wave and the rebound wave. The differences observed were highly significant (P<0.001). The result showed that acupuncture could improve not only the coronary circulation and the function of the left ventricle, but also the circulation of the brain. These three entities seemed to be very closely related, as shown by observations made in Beijing on the electrocardiograms and echocardiograms in 100 patients each.
3. There was no remarkable difference in the parameters before and after acupuncture in normal persons except the considerably prolonged à (P>0.05), This could be due to nervous tension on the part of the patients because they never received acupuncture before, resulting in an increased tone of the blood vessels and increased resistance to flow. However, the difference was marked when compared with the effect in patients acupunctured at points belonging to the coronary heart disease group (P<0.001). It indicates that acupuncture has little effect on the rheoencephalogram of normal persons; its effect on the rheoencephalogram of patients with coronary heart disease might be a result of its regulatory function.
4. No remarkable difference was observed before and after acupuncture, in patients with coronary heart disease needled at random points (P>0.2). Highly significant differences were noted when compared with the group treated by needling the group of points for coronary heart disease (P<0.001). Therefore, these acupuncture points should be regarded as of great importance in treating the disease.
As discussed above, this work has provided some clues to the mechanism of action of acupuncture in the therapy of coronary heart disease.
Beijing Second Hospital
Fifty patients with coronary heart disease and 20 normal controls were acupunctured at points Shangzhong, Jiuwei, Neiguan, Zusanli and Sanyinjiao. Twenty-five patients with coronary heart disease were acupunctured at random points. The average ages in the three groups were 57, 55.6 and 56 respectively. A rheoencephalogram was obtained before and after acupuncture in every person treated, using a rheoencephalograph machine of Model XLF 73, and the results were compared.
1. Before acupuncture: In patients with coronary heart disease the in-flow time à measured was 0.25 sec. The wave amplitude h was 0.095ê, rapid in-flow segment h', 0.059ê, tension index h/h' 1.76, resistance index c/h, 0.82. In normal persons the corresponding figures were à, 0.19 sec., h, 0.135ê, h', 0.094ê, h/h', 1.38, c/h, 0.07. When compared with the normal controls, the patients showed a prolonged à, a lower h and h', and an increase of h/h' and c/h. The differences in the values between the two groups were highly significant (P<0.001). Therefore abnormal rheoencephalogram was more frequently seen and more serious in patients with coronary heart disease than in normal persons of the same age.
It also indicates that circulatory lesions in the brain often occurs in patients with coronary heart disease. This could be due to the presence of common regulatory factors in the heart and the brain.
2. After acupuncture: After needling the group of points for coronary heart disease, à was shortened by 0.029 sec, h, increased by 0.044ê, h', increased by 0.042ê, h/h', decreased by 0.33, c/h, decreased by 0.10 and there was improvement in the shape of the wave and the rebound wave. The differences observed were highly significant (P<0.001). The result showed that acupuncture could improve not only the coronary circulation and the function of the left ventricle, but also the circulation of the brain. These three entities seemed to be very closely related, as shown by observations made in Beijing on the electrocardiograms and echocardiograms in 100 patients each.
3. There was no remarkable difference in the parameters before and after acupuncture in normal persons except the considerably prolonged à (P>0.05), This could be due to nervous tension on the part of the patients because they never received acupuncture before, resulting in an increased tone of the blood vessels and increased resistance to flow. However, the difference was marked when compared with the effect in patients acupunctured at points belonging to the coronary heart disease group (P<0.001). It indicates that acupuncture has little effect on the rheoencephalogram of normal persons; its effect on the rheoencephalogram of patients with coronary heart disease might be a result of its regulatory function.
4. No remarkable difference was observed before and after acupuncture, in patients with coronary heart disease needled at random points (P>0.2). Highly significant differences were noted when compared with the group treated by needling the group of points for coronary heart disease (P<0.001). Therefore, these acupuncture points should be regarded as of great importance in treating the disease.
As discussed above, this work has provided some clues to the mechanism of action of acupuncture in the therapy of coronary heart disease.
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