論文網址:
MRI Acupuncture Research on Point Specificity
New acupuncture research concludes
that, “Recent evidence shows that stimulation of different points on the
body causes distinct responses in hemodynamic, fMRI and central neural
electrophysiological responses.” The researchers note that fMRI and
laboratory studies demonstrate unique changes within the body when
specific acupuncture points are stimulated. The study demonstrates that
specific acupuncture points have specific biophysiological effects. As a
result, the researchers suggest further research to investigate these
measurable, quantifiable and objective phenomena.
Researchers from the Department of
Medicine at the University of California, Irvine, examined the specific
effects of needling different acupuncture points as compared with
stimulation of non-acupuncture points and placebo simulated stimulation.
The researchers note that “... many well-controlled studies do support
the principle of point specificity.” They cite as example multiple
studies of cardiovascular disease and note that real acupuncture points
“elicit(s) significantly greater responses than stimulation of both
non-acupoints and inactive acupoints.” They also conclude that
stimulation of different acupoints “produces differential input to
regions of the brain that regulate sympathetic outflow and
cardiovascular function.”
The researchers note that a hemodynamic
study of acupoint P6 showed that this acupuncture point “decreased
heart rate and increased the high-frequency HRV index of cardiac vagal
modulation….” A sham acupoint (a point not located on a traditional
acupoint location) was able to decrease the heart rate but did not
change the vagal outflow as did P6. These differing mechanisms suggest
that sham acupuncture studies may obscure the true medical benefits of
acupuncture. In the case of P6 stimulation, only the true acupuncture
point increased the high-frequency HRV index. HRV (heart rate
variability) is the variance in time interval between heart beats.
Reduced HRV is linked to mortality after myocardial infarction and a
lowering of HRV is also linked to congestive heart failure, diabetic
neuropathy and low survival rates in premature babies. Both true and
sham acupuncture decrease heart rates but only true acupuncture
increases HRV. Examination of other true acupuncture points (across
numerous studies) compared with non-acupuncture points and non-relevant
acupuncture points confirms that hemodynamic responses are specific to
exact acupuncture points and that true acupoints elicit
sympathoexcitatory responses relevant to their traditional medical
indications.
Neurological investigations support the
specificity of acupuncture points. The researchers examined MRI studies
of the brain and note that “stimulation of different sets of acupoints
leads to disease-specific neuronal responses, even when acupoints are
located within the same spinal segment.” The researchers also note, “The
point-specific actions resulting from stimulation of different
acupoints in controlled laboratory trials confirm that needling
different points on the body produces more than just placebo responses,
given that placebo acupuncture is not associated with differential or
acupoint-specific responses in anesthetized animals.”
Reference:
Point specificity in
acupuncture. Chinese Medicine 2012, 7:4 doi:10.1186/1749-8546-7-4. Emma M
Choi, Fang Jiang, John C Longhurst.
Susan Samueli Center for Integrative Medicine, Department of Medicine, School of Medicine, University of California, Irvine CA.
Medical Science, School of Medicine, University of California, Irvine, CA.
心律大師產品特色
血壓量測
心跳變異性 (Heart rate variability, HRV) 分析
自律神經活性分析
交感神經活性與比例
副交感神經活性與比例
平衡指標
心律不整偵測
心跳脈波(動脈血壓波)自動分析 (脈診儀功能)
血管緊張度 (動脈硬化) 指數
即時心跳與HRV監測功能可用於Biofeedback
心跳變異性 (Heart rate variability, HRV) 分析
自律神經活性分析
交感神經活性與比例
副交感神經活性與比例
平衡指標
心律不整偵測
心跳脈波(動脈血壓波)自動分析 (脈診儀功能)
血管緊張度 (動脈硬化) 指數
即時心跳與HRV監測功能可用於Biofeedback
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- 馬克獅博士 (Max Cheng Ph.D)
- I am a Ph.D of NTUEE, Major in BME. I am a healthcare, medical device and medical informatic professional developer.
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