Key result
Manual and low-frequency electro-acupuncture increase parotid blood flux versus superficial acupuncture in Sjögren's syndrome.
Why the study?
The effects of different acupuncture stimulations on local blood flux in patients with Sjögren's syndrome treated for xerostomia were not well characterized.
Does acupuncture stimulation increase local blood flux in patients with Sjögren's syndrome?
Does acupuncture stimulation increase local blood flux in patients with Sjögren's syndrome?
Manual and low-frequency electro-acupuncture significantly increase local blood flux over the parotid gland in patients with Sjögren's syndrome compared to superficial acupuncture.
Answers are grounded in this paper and cite their sources.
Acupuncture may increase parotid perfusion in Sjögren syndrome; hypothesis-generating and leaves open any clinical benefit for xerostomia.
Twenty-one patients with Sjögren's syndrome were given four different kinds of acupuncture stimulation, at acupuncture points previously used to treat xerostomia. The local blood flux in the skin overlying the parotid gland was measured with laser Doppler flowmetry before, during and after the acupuncture stimulation. The results showed that the local blood flux increased significantly during and after both manual acupuncture and low-frequency (2 Hz) electro-acupuncture as compared with superficial acupuncture. These results indicate that acupuncture induced an increase in the local blood flux which was more pronounced for those patients who had previously reacted with increased salivary flow to acupuncture.
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Blom et al. (1993) studied Sjögren's syndrome (n=21). Manual acupuncture and low-frequency electro-acupuncture vs. Superficial acupuncture was evaluated on Local blood flux in the skin overlying the parotid gland. Manual and low-frequency electro-acupuncture significantly increased local blood flux over the parotid gland compared with superficial acupuncture in patients with Sjögren's syndrome.
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