Intravital microscopic visualization of the rabbit ear microcirculation showed that 150 mm Hg is the permissive upper limit of acute hypercapnia with respect to maintenance of the peripheral microcirculation.
Acupuncture stimulation and phototherapy were directly confirmed to increase the diameter and blood flow velocity of the peripheral arterioles. Acupuncture stimulation and phototherapy, associated with minimal systemic and local side effects, can enhance the microcirculation and may be a useful supportive treatment for diseases caused by poor peripheral blood flow.
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