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目的评价阴道彩超对习惯性流产的检测作用及宫颈环扎术治疗妊娠期宫颈机能不全的临床疗效。方法对12例宫颈机能不全的孕妇在12～18周行阴道彩超测量,选择宫颈管长度<2.5 cm,宫颈内口宽度>1.5 cm时行宫颈环扎术,观察术后妊娠情况及胎儿成活率。结果12例患者有6例在预产期前1～2周拆线,3例至预产期临产时拆线,均自然分娩:2例孕妇33～35周先兆早产,经保胎治疗无效,拆线后自然分娩;1例孕22周有宫缩入院,拆线后自然流产死胎。经随访共得活产儿11个。结论应用阴道彩超测量宫颈管长度及宫颈内口宽度,选择适宜时机进行宫颈环扎术,是治疗习惯性流产安全有效的手术干预,可延长孕周,提高胎儿的成活率。
Objective To evaluate the detection effect of vaginal ultrasound on habitual abortion and the clinical effect of cervical cerclage in treatment of cervical incompetence during pregnancy. Methods Twelve patients with cervical incompetence underwent vaginal color Doppler ultrasound at 12 to 18 weeks. Cervical cerclage was performed when the length of cervical canal was less than 2.5 cm and the width of internal mouth of cervix was> 1.5 cm. The postoperative pregnancy and fetal survival rate . Results Six of the 12 patients were stitched one to two weeks before the expected date of delivery. Three patients were delivered spontaneously during the prenatal period of labor. All of them were delivered spontaneously. Two pregnant women were born with threatened premature birth at 33-35 weeks. Childbirth; 1 case of 22 weeks pregnant uterine contractions, stitches after spontaneous abortion of the fetus. A total of 11 live births were followed up. Conclusions Using cervical vaginal ultrasound to measure the length of cervical canal and the width of cervical internal os, choosing the appropriate timing for cervical cerclage is a safe and effective surgical intervention for treating habitual abortion, which can prolong the gestational age and improve the survival rate of fetus.