硫酸镁有抑制横纹肌收缩的作用,被广泛用于治疗子痫。此外,因硫酸镁有抑制子宫收缩的作用,治疗先兆早产也有效。Steer 和 Petrie 最早报告硫酸镁防治早产有效。在31例先兆早产患者应用本剂后,27例(77%)有效,与酒精治疗组比较有效例明显多于对照组。Spisso 等对192例先兆早产患者用硫酸镁治 Magnesium sulfate can inhibit the contraction of striated muscle function, is widely used to treat eclampsia. In addition, because magnesium sulfate can inhibit uterine contractions, the treatment of threatened preterm labor is also effective. Steer and Petrie first report that magnesium sulfate is effective in preventing premature birth. Twenty-seven patients (77%) were effective in 31 preterm births with preeclampsia compared with those in the control group. Spisso and other 192 cases of threatened preterm labor with magnesium sulfate