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KMID : 1129720020190020041
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Korean Journal of Acupuncture
2002 Volume.19 No. 2 p.41 ~ p.49
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The Effect of Acupuncture Stimulation at the BL60, HT8 Acupoint to the Inferior Mesenteric Nerve Activity, Heart Rate and Mean Arterial Blood Pressure in Rats
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Na Chang-Su
Lee Kang-Uk
Yoon Yeo-Choong
Kim Jeong-Sang
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Abstract
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Objectives: The aim of the present study is to observe effects of acupuncture related with the nerve system, Inferior mesenteric nerve activity(IMNA) was examined on BL60 acupuncture closely connected with the bladder and HT8 with little tied.
Materials and methods: Acupunctures were performed during 100 seconds after stabilization. IMNA was measured by micromanipulator, preamplifier, mean arterial pressure(MAP) and heart rate were observed by blood pressure transducer, 4-channel transducer amplifier in anesthetized rat.
Results: On BL60 acupuncture, the heart rate was not significantly decreased but IMNA, MAP were significantly decreased and Maximum peak of IMNA was increased during inserted acupuncture, decreased after ejected acupuncture respectively. On HT8 acupuncture, IMNA was decreased during acupuncture than before acupuncture but the others did not showed signigicant difference.
Conclusions: Our results demonstrated a meridian interaction between BL60 acupoint in the bladder channel and Inferior mesenteric sympathetic nerve related to the bladder. This fact suggest that BL60 acupuncture have effect on the bladder through the nerve system. Meanwhile, IMNA was decreased during HT8 acupuncture. This result is supposed HT8 to have not meridian function but acupoint function by another mechanism. It needs to be closely examined other meridians and nerve by the optimal approaching method.
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KEYWORD
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Acupuncture, Inferior mesenteric nerve activity, Acupoint BL60 & HT8, Heart rate, Mean arterial pressure
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