Objective: To assess the therapeutic effect and safety of electroacupuncture (EA) at Zhigou (TE 6) on constipation induced by stagnation or deficiency of qi.
Methods: Multi-central randomized controlled trials were adopted and the patients conforming to the criteria for diagnosis, enrolling and excluding were divided into an observation group and a control group according to random number table. The observation group were treated with EA at Zhigou (TE 6) and the control group with EA at non-acupoint for 4 weeks. The cumulative score of clinical symptoms, colon transmission test and various safety indexes were assessed. The following-up was carried out 1 and 3 months after the end of treatment.
Results: EA at Zhigou (TE 6) could obviously improve clinical symptoms and colon transmission time, decrease using rate of Kaisailu and cathartics, with an effective rate of 94.4%, which was better than 61.3% in the control group (P < 0.0001).
Conclusion: EA at Zhigou (TE 6) has a function of regulating qi and relaxing the bowels and it is an effective method for treatment of constipation with safety and no adverse effect.