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早孕6～8周药物流产的临床观察
在早孕米非司酮配伍米索前列醇(米索)药物流产中,孕囊平均直径是影响完全流产率的一个重要因素.我们发现孕囊平均直径与完全流产率呈负相关[1],上海15个单位多中心临床试验也发现孕囊直径＜15mm组的完全流产率显著高于≥15 mm组[2].为了提高早孕药流中孕囊＞15 mm者的完全流产率,我们设想在米非司酮配伍米索前列醇的基础上,再加辅助药物,以加强对滋养叶细胞或蜕膜细胞的杀伤作用.本文选用紫草和达那唑,比较它们的临床疗效,以选出较好的辅助药物及合理的给药剂量.
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Objective In this double-blind randomized trial, we compare the effect of 75 mg mifeprostone in capsules on termination of early pregnancy was compared with that of 150 mg in tablets combined with misoprostol. Methods A total of 160 patients were randomly divided into two groups with 80 for each group. The capsule group was administered with mifeprostone 75 mg in capsules,placebo tablets and misoprostol 0. 6 mg. The tablet group was administered with mifeprostone 150 mg in tablets, placebo capsules and misoprostol 0. 6 mg.Results The complete abortion rate in the capsule group and in the tablet group was 98. 8% and 97. 5% respectively, with no significant difference (P＞ 0. 05). There were no significant differences in bleeding time after abortion, side effects, recovery of menstruation or length of menstrual period between the two groups.Conclusion The clinical effect of mifeprostone capsule is the same with that of tablet in combination with misoprostol in terminating early pregnancy, while dose and cost is lower and the side effect is smaller. Mi feprostone capsule is recommended to be widely used for terminating early pregnancy.
