경피성 전기적 신경자극 , 분만통증의 완화
The study evaluated transcutaneous electrical nerve stimulation("TENS") for patin relief in labor, comparing with pethidine and placebo from Mar, 1984 to Sept., 1984. The investigation comprised 160 vaginally delivered women at term, 80 of whom were given "TENS", 40 of whom were given pethidine, and 40 of whom were given placebo, Pain relief was evaluated with a buestionnaire which the women answered shortly after delivery. The analyzed results were as follows: 1. The positive relief of low back pain in the first stage of labor was achieved in 57(71.3%) of "TENS" group comparing to 10(25%) of placebo group(P<0.01). 2. The positive relief of suprapublic pain the first stage of labor was achieved in 40(50%) of "TENS" group comparing to 7(17.5%) of placebo group(P<0.05). 3. The positive relief of low back and suprapublic pain of the second stage was achieved in 45(56.3%) of "TENS" group comparing to 7(17.5%) of placebo group(P<0.05). 4. The effect of "TENS" was equivalent to that of pethidine for the relief of pain in the first and second stages of labor. 5. There was no significant defference in total duration of labor in all of the groups. 6. There was no significant difference of Apgar scores in all of the groups. 7. "TENS" hundred tracing of fetal heart rate in 13(43.3%) of 30 cases monitored. 8. A significant proportion of "TENS" group(60%) wished to receive the same form of pain relief during a possible forthcoming delivery, than was the case in the placebo group(17.5%).