Objective: To study the effect of transcutaneous electrical acupoint stimulation (TEAS) in the treatment of asthenozoospermia.
Methods: We randomly divided 72 asthenozoospermia patients into a 2 Hz TEAS (n = 29), a 100 Hz TEAS (n = 20), and a blank control group (n = 23), those in the former two groups treated by 30 minutes of TEAS at 2 Hz and 100 Hz respectively, applied to the acupoints of bilateral Shenshu, left Zusanli, and Guanyuan, once a day for 60 days, while those in the blank control group left untreated. Using computer-assisted sperm analysis (CASA), we examined sperm concentration and motility as well as the percentages of grade a and grade a+b sperm in different groups of the patients.
Results: Compared with the baseline, 2 Hz TEAS significantly increased sperm motility (［12.76 ± 1.39］ vs ［18.89 ± 2.46］%, P<0.05) and the percentage of grade a+b sperm ( ［10.68 ± 1.22］ vs ［16.32 ± 2.10］%, P<0.05) in the asthenozoospermic patients, while 100 Hz TEAS improved not only sperm motility (［12.32 ± 2.21］ vs ［23.81 ± 3.42］%, P<0.01) and the percentage of grade a+b sperm (［10.45 ± 1.98］ vs ［20.25 ± 2.82 ］%, P<0.01), but also the percentage of grade a sperm (［6.44 ± 1.16］ vs ［13.31 ± 2.30］%, P<0.05). Moreover, in comparison with the blank control group, 2 Hz TEAS also remarkably increased sperm motility (［9.57 ± 1.60］ vs ［18.89 ± 2.46］%, P<0.05) and the percentage of grade a+b sperm (［7.81 ± 1.31］ vs ［16.32 ± 2.10］%, P<0.05) in the asthenozoosperma patients, while 100 Hz TEAS improved not only sperm motility (［9.57 ± 1.60］ vs ［23.81 ± 3.42］%, P<0.01) and the percentage of grade a+b sperm (［7.81 ± 1.31］ vs ［20.25 ± 2.82］%, P<0.01) but also the percentage of grade a sperm (［4.87 ± 1.01］ vs ［13.31 ± 2.30］%, P<0.01). Meanwhile, the rate of clinical effectiveness was significantly higher in the 100 Hz TEASthan in the blank control group either in intention-to-treat (ITT) analysis (100% vs 18.18%) orper-protocol (PP) analysis (90% vs 0%), and so was it than in the 2 Hz TEAS group based on the data of ITT (100% vs 33.33%).
Conclusions: Both 2 Hz and 100 Hz TEAS are effective for the treatment of asthenozoospermia by improving sperm motility and vitality.
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