Photoacoustic Imaging of Acupuncture Stimulation
Acupuncture has been a powerful clinical tool for treating
chronic diseases. However, there is currently no appropriate method to clarify
the therapeutic effect of acupuncture. Here, we use photoacoustic tomography
(PAT) to study the effect of acupuncture on mouse brain blood vessels. Ten
healthy mice were stimulated with acupuncture needles on two acupoints. PAT
images were obtained before and after acupuncture. We report that stimulation
of certain acupoints resulted in changes in hemodynamics/blood flow at these
points. The results demonstrate that PAT can non-invasively detect blood flow
changes in mouse brain under acupuncture. This pilot study shows the potential
of PAT as a visualization tool for illuminating the mechanism of acupuncture
and promoting its clinical applications. (Source: Li T,
Xu X,
Chen B,
Rong J,
Jiang H.
Photoacoustic
imaging of acupuncture effect in small animals. Biomed Opt Express. 2015 Jan 9;6(2):433-42.)
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