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Internal Medicine

According to classical literature, puncturing at Cuanzhu (BL2) could have immediately effects to low blood pressure. 62 cases were divided randomly into the treatment group (with needles inserted into BL2) and the control group (with nifedipine under the tongue), 31 cases in each group. The two groups were basically identical in sex, average age and hypertension stage. Within 3 hours before coming to the hospital, the patients all did not take any hypotensor. After the patients had calmly taken a rest for 15 minutes, their blood pressure and heart rate were measured in the right upper arm when they took sitting or lying posture. For the treatment group, the acupuncture was obliquely inserted towards the root of the nose for about 0.5 cun and performed with the uniform reinforcing-reducing method to induce a sensation of soreness, numbness, and distension before retaining the needles for 20 minutes. After withdrawal needles, their blood pressure and heart rate were immediately measured again. For the control group, the patients were given 20 mg nifedipine, which was chewed into pieces and put under the tongue for 20 minutes before their blood pressure and heart rate were measured again.


Results: Both systolic pressure and diastolic pressure in the control group and treatment group were significantly reduced (P<0.01). The total effective rate has been 90.3% for treatment group; the total effective rate has been 80.7% for control group, there was no obvious difference in the total effective rates between the two groups (P>0.05). There were no obvious changes in the heart rate after acupuncture in treatment group, which remained at about 82 beats per minute; while the heart rate increased from 78.55 beats per minute to 80.35 beats per minute after medication in the control group.


Key Words: BL2, Hypotensive effect


Writer: Weihai Yao, Hongxu Liu
Emergency Department, Beijing Hospital of Traditional Chinese medicine, Beijing 100010

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