Objective: De-qi refers to sensations generated by needle insertion into an acupuncture ***-qi sensation is believed to be associated with treatment effects of acupuncture with the increase of local blood flow, althou...
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Objective: De-qi refers to sensations generated by needle insertion into an acupuncture ***-qi sensation is believed to be associated with treatment effects of acupuncture with the increase of local blood flow, although some patients may feel these sensations *** study aimed to assess the association between the strength of de-qi sensation and local skin blood flow in healthy ***: Forty-five healthy subjects were randomized into real acupuncture(RA) group(n=15), park-sham acupuncture(SA) group(n=15) and non-needling control(CO) group(n=15).A single acupuncture session was conducted on the right LI4 point with manual stimulation and 10-minute needle ***-qi sensation was assessed immediately after the removal of needling by the Southampton needle sensation *** skin blood flow recording within 2 cm in diameter of ipsilateral LI4 area was performed intermittently from just before the intervention to the end of the trial by the laser Doppler blood perfusion *** between the change of skin blood flow and strength of De-qi was ***: Median change of local skin blood flow from baseline to post-treatment was 48.85, 48.20 and 0.59 arbitrary unit(AU) in RA, SA and CO groups, *** total sensation score was 10, 3 and 0 of 51 points, *** significant correl ation between total sensation score and change of skin blood flow in the RA and SA groups was observed(0.105 9 of Spearman’s rho, P=0.57).Conclusion: The data suggest that there is no association between De-qi sensation and local skin blood flow after acupuncture in healthy *** role of De-qi sensation for physiological changes and clinical outcomes should be further investigated in future acupuncture trials.
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