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Effects of acupuncture on the relationship between cerebral hemodynamics and arterial blood pressure in patients with hypertension

查看全文 作　　者：Wenhao [1,2]Li;Hongmei [1,2]Liu;Congcong [1,2]Huo;Gongcheng [1,2]Xu;Tengyu [3,4]Zhang;Zengyong [3,4]Li 高影响力作者 机构地区：[1]Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education,School of Biological Science and Medical Engineering,Beihang University,100191,Beijing,China;[2]Beijing Advanced Innovation Center for Biomedical Engineering,Beihang University,Beijing,100083,China;[3]Beijing Key Laboratory of Rehabilitation Technical Aids for Old-Age Disability,National Research Center for Rehabilitation Technical Aids,Beijing,100176,China;[4]Key Laboratory of Neuro-functional Information and Rehabilitation Engineering of the Ministry of Civil Affairs,Beijing,100176,China高影响力机构 出　　处：《Medicine in Novel Technology and Devices》索引2021年第4期,共9页高影响力期刊 基　　金：This work was supported by the National Key Research and Development Project[grant number 2020YFC2004200];the National Natural Science Foundation of China[grant numbers 31771071,11732015,61675013];the Fundamental Research Funds for Central Public Welfare Research Institutes[grant number 118009001000160001];the Key Research and Development Project of Jiangxi Province[grant number 20202BBGL73057]. 摘　　要：The present study aimed to investigate the effect of an auricular acupuncture intervention on the relationship between changes in oxyhemoglobin concentration(Δ[O2Hb])and arterial blood pressure(ABP).The cerebral oxygenation signals in the bilateral prefrontal cortex(PFC),sensorimotor cortex(SMC),and temporal lobe cortex(TLC)of 15 patients with hypertension were measured by a 24-channel functional near-infrared spectroscopy(fNIRS)device before(State_R)and after(State_AT)the auricular acupuncture intervention.Coupling strength was used to quantitatively evaluate the strength of the couplings between ABP andΔ[O2Hb]in low-frequency oscillations(LF,0.07–0.2 Hz)and very-low-frequency oscillations(VLF,0.02–0.07 Hz).Results showed that the changes in wavelet amplitudes in the LF and VLF intervals did not exhibit significant differences after auricular acupuncture.The coupling strength from ABP toΔ[O2Hb]was significantly lower in the LF range after auricular acupuncture in the bilateral PFC,SMC,and TLC(p<0.0083).Additionally,the coupling strength from ABP toΔ[O2Hb]in the VLF range was significantly lower in the bilateral PFC in State_AT than in State_R(p<0.0083).These results indicated that fNIRS together with ABP can effectively evaluate cerebral hemodynamic responses to interventions and is therefore capable of guiding more individualized acupuncture strategies.The auricular acupuncture intervention improved hemodynamic responses in patients suffering from hypertension. 关 键 词：Arterial blood pressure Cerebral hemodynamics HYPERTENSION Auricular acupuncture intervention
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