针刺左侧足三里对健康青年人大脑后动脉血液流动力学影响的研究

Effect of Hemodynamics in PCA with the Acupuncture on the Left Zusanli( ST36) of Healthy Young People

目的:研究在不同时间针刺左侧足三里穴对健康青年人双侧大脑后动脉(PCA)血流动力学的影响,为临床运用该穴位提供参考依据。方法:选取健康青年志愿者16名,男女各8名,用经颅多普勒超声仪(TCD)探头在双侧颞窗探及到PCA,针刺受试者左侧足三里穴,分别在针刺前10 min、针刺得气时(平补平泻手法15 s后)、留针15 min(行平补平泻手法15 s后)、留针30 min(行平补平泻手法15 s后即出针时)、出针后10 min,测试PCA的收缩期最大血流速度(Vs)、舒张期最大血流速度(Vd)、平均血流速度(Vm)、搏动指数(PI)及阻抗指数(RI)数值,并记录检测出的TCD各项参数变化。结果:针刺左侧足三里穴,在出针后10 min的双侧PCA的Vm和PI与针刺前10 min相比较显著上升,有统计学意义(P<0.05),其他数据均无统计学意义(P>0.05)。结论:针刺左侧足三里穴能升高双侧PCA在出针后的平均血流速度及搏动指数,可改善脑血流供应,提示临床上缺血性脑卒中患者可应用此穴。

Objective：To investigate the influence of acupuncture on Zusanli （ST36）for treating PCA blood flow in the health of young people in different period of times, providing reference to apply the acupoint in clinic. Methods.Randomly select 16 cases of volunteers among healthy young people ,with 8 cases of men and women respectively, exploring the Posterior Cerebral Artery （PCA） in the bilateral temporal with doppler uhrasonogra- phy （TCD） probe, acupuncturing the left acupoint of the persons, respectively detecting the changes of the max- imum blood flow velocity （Vs） in systolic arterial of the brain, the maximum blood flow velocity in diastole （Vd）, mean velocity （Vm）, pulsatility index （PI） and resistance index （RI） in the period of 10 min before the needle, needle retention for 15 min, 30 min and 10min after the needle, and record the changes in TCD pa- rameters. Results：Acupuncture at the left Zusanli, the Vm and PI of the bilateral PCA when pulling out the needle 10 min after the needle were risen significantly compared with 10min before the needle, and there was a statistically significant difference （ P 〈 0.05 ）, but there was not statistical significance in the other data （ P 〉 0. 05 ）. Conclusion： Acupuncturing at the left Zusanli can raise the Vm and PI on the both PCA and it improves cerebral blood supply and can be used in the clinic for ischemic stroke patients.