科研之友
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摘要
Objective. @@@ The objective of this study was to compare the effects of Sanyinjiao (SP6), Xuanzhong (GB39), and an adjacent non-meridian point on menstrual pain and uterine arterial blood flow in primary dysmenorrhea patients. @@@ Design. @@@ The design of the study was a prospective, randomized controlled trial. @@@ Setting. @@@ The setting of the study was the Shandong Institute of Medical Imaging, Jinan, China. @@@ Patients. @@@ The patients were 52 women with primary dysmenorrhea. @@@ Interventions. @@@ Women received electroacupuncture (EA) at SP6 (n = 13), GB39 (n = 14), and an adjacent non-meridian point (n = 12), respectively, for 10 minutes when scored >= 40 on a 100-mm visual analog scale (VAS), and for 30 minutes on the next 2 days. There was no EA in the waiting list group (n = 13). @@@ Outcome Measures. @@@ Primary outcomes were menstrual pain, resistance index (RI), and the ratio between peak systolic to end-diastolic flow velocity (S/D) in uterine arteries. Secondary outcomes included verbal rating scale (VRS) and retrospective symptom scale (RSS). @@@ Results. @@@ The SP6 group had a highly significant reduction in VAS scores compared with the waiting list group (-23.19 mm, 95% confidence interval [CI] -32.06 to -14.33, P < 0.0001), GB39 group (-18.58 mm, 95% CI -27.29 to -9.88, P < 0.0001) and the non-meridian point group (-20.78 mm, 95% CI -29.82 to -11.73, P < 0.0001), respectively. A significant reduction in VRS scores was found in the SP6 group compared with the GB39 group (P = 0.034) and the non-meridian point group (P = 0.038). There were no significant differences of RI, S/D-values and RSS scores among the four groups (P > 0.05). @@@ Conclusions. @@@ EA at SP6 can immediately relieve menstrual pain and minimize the influence of pain on daily life compared with GB39 and an adjacent non-meridian point. The data preliminarily show the specificity of SP6 for the immediate pain relief of primary dysmenorrhea.
