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目的探讨经阴道与经腹部彩色多普勒血流显像(CDFI)对早孕不全流产胚胎组织残留的定位诊断价值。方法应用经腹部和经阴道超声对45例临床疑诊早孕胚胎组织残留病例的二维声像图、CDFI特点及频谱多普勒特征进行分析,依据彩色血流信号部位定位残留物在宫内附着位置,与宫腔镜及病理结果对照。结果经腹部CDFI定位30例,其敏感性、特异性、准确性分别为78.9%(30/38)、71.4%(5/7)和77.8%(35/45);经阴道CDFI定位34例,其敏感性、特异性、准确性分别为89.5%(34/38)、85.7%(6/7)、和88.9%(40/45)。两者比较有统计学意义(P>0.05)。结论经阴道和经腹部CDFI对胚胎组织残留物在宫内附着位置均具有定位诊断价值。
Objective To investigate the diagnostic value of transvaginal and trans-abdominal color Doppler flow imaging (CDFI) in the localization of residual embryos in early pregnant women with incomplete abortion. Methods The transabdominal and transvaginal ultrasonography was used to analyze the two-dimensional sonographic features, CDFI features and spectral Doppler features of 45 cases of suspected embryos in early pregnancy. According to the location of the color flow signal, Location, and hysteroscopy and pathological findings. Results The sensitivity, specificity and accuracy were 30.9% (30/38), 71.4% (5/7) and 77.8% (35/45), respectively. There were 34 cases of vaginal CDFI, The sensitivity, specificity and accuracy were 89.5% (34/38), 85.7% (6/7), and 88.9% (40/45) respectively. The two were statistically significant (P> 0.05). Conclusion Both transvaginal and transabdominal CDFI have diagnostic value in the location of intrauterine attachment of embryonic tissue residue.