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[Effects of electroacupuncture on plasma vasoactive intestinal peptide and substance P in perennial allergic rhinitis patients]

Author(s): Li YM, Zhuang LX, Lai XS, Jiang GH

Affiliation(s): First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China. liyuemei71@163.com

Publication date & source: 2007-04, Zhen Ci Yan Jiu., 32(2):136-8.

Publication type: English Abstract

OBJECTIVE: To explore the underlying neuroimmunological mechanism of electroacupuncture (EA) in the treatment of perennial allergic rhinitis (PAR). METHODS: One hundred PAR outpatients were evenly randomized into EA group and medication group. Patients in EA group were treated with EA (5-10 mA, 80-100 Hz, and 30 min of stimulation) of Sphenopalatine ganglion area, Yingxiang (LI 20), Shangyingxiang (EX-HN 8), Yintang (EX-HN 3), supplemented with other acupoints according to syndrome-differentiation (once daily, 10 days being a therapeutic course). Patients of medication group were treated by Cetirizine (10 mg/times, t. i.d, peros). Before and after the treatment, blood samples of the ulnar vein were collected for detecting plasma vasoactive intestinal peptide (VIP) and substance P (SP) contents with radioimmunoassay. RESULTS: After the treatment, of the two 50 cases in EA and medication groups, 20 (40%) and 16 (32%) had an obvious improvement, 28 (56%) and 24 (48%) had an improvement, 2 (4%) and 10 (20%) failed, with the total effective rates being 96% and 80% separately. The therapeutic effect of EA group was significantly superior to that of medication group (P < 0.05). Self-comparison of each group showed that after the treatment, both plasma VIP and SP levels of two groups lowered apparently (P < 0.05, 0.01). Comparison between two groups showed that after the treatment, the content of VIP in EA group was markedly lower than that of medication group, while no significant difference was found between two groups in plasma SP levels (P > 0.05). CONCLUSION: EA can effectively relieve perennial allergic rhinitis patients' clinical symptoms, which is closely related to its functions in lowering plasma VIP and SP levels.

Page last updated: 2007-08-04

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