The content of serum 5-HT after treatment was increased markedly compared with that before treatment [ the content in the acupuncture group : ( 26.21 2.36 ) pg/mL vs ( 52.07 0.56 ) pg/mL , the content in the western medication group : ( 26.262.31 ) pg/mL vs ( 51.700.52 ) pg / mL , both P < 0.05 ] .