Korean Journal of Acupuncture

Society for Meridian and Acupoint (경락경혈학회)
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A Study for Changes of Blood Pressure and Heart Rate by Acupressure to Acupoints in Rat Model of Hemorrhagic Shock

출혈성 쇼크 흰쥐 모델에서 경혈 지압이 혈압과 심박수 변화에 미치는 영향

  • Yang, Seung-Bum (Department of Medical Non-commissioned Officer, Wonkwang Health Science) ;
  • Byun, Sin-Kyu (Department of Combat Non-commissioned Officer, Wonkwang Health Science) ;
  • Kim, Jae-Hyo (Department of Meridian & Acupoint, College of Korean Medicine, Wonkwang University)
  • 양승범 (원광보건대학교 의무부사관과) ;
  • 변신규 (원광보건대학교 전투부사관과) ;
  • 김재효 (원광대학교 한의과대학 경혈학교실)
  • Received : 2016.05.17
  • Accepted : 2016.06.07
  • Published : 2016.06.27
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Abstract

Objectives : In order to find a possible non-invasive manipulation tool for maintenance of the cardiovascular functions in hemorrhagic shock, this study was aimed at evaluating effects of acupoints acupressure on the changes in blood pressure and heart rate from an animal model of hemorrhagic shock. Methods : In adult Sprague-Dawley rats, hemorrhagic shock was induced by a withdrawal of arterial blood from the femoral artery with volume of 0.8 ml per 100 g of body weight using peristaltic syringe pump. We applied the acupressure with a pressure oscillator to tail as a control and 2 different acupoints of sobu(HT8), youngchun(KI1) under 3 different conditions : 1) normal arterial blood pressure without bleeding, 2) at the beginning of bleeding, and finally 3) hemorrhagic shock. Results : Under normal arterial blood pressure without hemorrhage, there was a significant increase in systolic and diastolic blood pressures by the acupressure to the tail, HT8 and especially KI1 for 30 sec compared with before acupressure. Under hemorrhagic shock condition, the tail acupressure had minimal changes in cardiovascular parameters. Either the HT8 or KI1 acupressure resulted in a significant increase in arterial pressure but did not heart rate. At the beginning of bleeding, tail acupressure failed to change the reduction of arterial pressure and heart rate. However, there was a significant increase in blood pressure and heart rate following either the HT8 or especially KI1 acupressure. Conclusions : HT8 and KI1 acupressure affected cardiovascular signs but tail acupressure did not in rat model of hemorrhagic shock. These experimental data suggest that a acupressure with a pressure oscillator to HT8 or KI1 can be one of alternative emergency manipulations to ameliorate compromised cardiovascular functions under hemorrhagic shock condition.

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