应用近红外光技术观察经穴刺激对局部脑血流量的影响（英文）

目的:观察针刺孔最、三阴交、足三里对人脑血氧水平的影响,探讨应用近红外光成像技术(NIRS)测定针刺与它的关联性。方法:采用半随机(测试顺序随机)方法,临床试验①:18名成年人予以伪针刺百会。临床试验②:54名成年人分为3组(18人/组)分别予以针刺孔最、三阴交、足三里。于针刺前后分别实行语言流畅性课题测试,并应用NIRS测试大脑皮层血氧浓度变化。结果:临床试验①伪针刺组针刺百会前脑血氧浓度水平变化的积分值的平均值为10.8 mMcm·s,针刺后为9.2 mMcm·s。针刺后脑血氧浓度水平未出现明显差异。临床试验②:孔最组针刺前脑血氧浓度水平变化的积分值的平均值为18.1 mMcm·s,针刺后为8.6 mMcm·s。针刺后脑血氧浓度水平出现了有意义的减少(P=0.001)。三阴交组针刺前脑血氧浓度水平变化的积分值的平均值为16.1 mMcm·s,针刺后为17.4 mMcm·s。针刺后脑血氧浓度水平略见增加趋势,但差异无统计学意义。足三里组针刺前脑血氧浓度水平变化的积分值的平均值为13.8 mMcm·s,针刺后为10.1 mMcm·s。针刺后脑血氧浓度水平略见减少趋势,但差异无统计学意义。结论:针刺孔最使前头部脑血氧浓度水平减少,针刺足三里使前头部脑血氧浓度水平有减少趋势。针刺三阴交使前头部脑血氧浓度水平有增加趋势。

Observation on the effect of acupoint stimulation on regional cerebral blood flow using near-infrared spectroscopy technology

Objective To observe the effect of acupuncture at Kongzui（孔最LU 6）,Sanyinjiao（三阴交 SP 6） and Zusanli（足三里 ST 36） on cerebral blood oxygenation level and explore the relevance between acupuncture and cerebral blood oxygenation level using near-infrared spectroscopy（NIRS）.Methods Quasi-randomized design（random test sequence） was used.In clinical trial ①,placebo acupuncture was applied at Baihui（百会GV 20） of18 adults.In clinical trial ②,54 adults were divided into three groups with 18 each in which acupuncture was applied at LU 6,SP 6 and ST 36 respectively.Before and after acupuncture,verbal fluency test（VFT） was performed and the blood oxygenation level of cerebral cortex was measured using NIRS.Quantized data was processed with JMP10.0.2 software and SPSS software.Results In clinical trial ①,the mean integral values of cerebral blood oxygenation level were 10.8 mMcm·s and 9.2 mMcm·s respectively before and after acupuncture at GV 20 in placebo acupuncture group.There was no significant difference in the cerebral blood oxygenation level after acupuncture.In clinical trial ②,the mean integral values of cerebral blood oxygen level were18.1 mMcm·s and 8.6 mMcm·s respectively before and after acupuncture at LU 6 inLU 6]acupuncture group,the cerebral blood oxygenation level was significantly decreased after acupuncture（P = 0.001）.The mean integral values of cerebral blood oxygenation level were 16.1 mMcm·s and 17.4 mMcm·s respectively before and after acupuncture at SP 6 inSP 6]acupuncture group,the cerebral blood oxygenation level was slightly increased after acupuncture,but the increase was not statistically significant.The mean integral values of cerebral blood oxygenation level were 13.8 mMcnvs and 10.1 mMcnvs respectively before and after acupuncture at ST 36 inST 36]acupuncture group,the cerebral blood oxygenation level was slightly deceased after acupuncture,but the increase was not statistically significant.Conclusion The cerebral blood oxygenatio