[Effect of electroacupuncture on spontaneous pain during the synovial inflammatory response stage and allodynia at the later stage in rats with knee osteoarthritis].

To observe the effect of electroacupuncture (EA) on pain behavior, synovial inflammatory response and demyelination of saphenous nerve in the rats modeled with knee osteoarthritis (KOA) and explore the effect mechanism of EA for reliving allodynia.