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目的:探讨经阴道彩色多普勒能量图超声结合血β-hCG在“妊娠盲区”中的应用价值。方法:对120例尿妊娠实验阳性或弱阳性,孕周约32~42天的早早孕患者检查TV-CD和血β-hCG。结果:宫内早早孕子宫内膜动脉阻力指数(RI)<0.5,宫内早早孕流产型RI>0.5,二者比较差异有统计学意义(P<0.01),宫外早早孕子宫内膜未见明显局限性动脉血流信号,而有一小部分RI>O.5,多数见静脉血流信号或无血流信号显示。48h后复查,宫内早早孕流产组、宫外早早孕组与宫内早早孕组差异有统计学意义(P<0.01);而二者比较差异无统计学意义(P>0.05)。血β-hCG宫内早早孕组与宫内早早孕流产组、宫外早早孕组比较差异有统计学意义(P<0.01),宫外早早孕组与宫内早早孕流产组比较差异无统计学意义(P>0.05),48h后复查,宫内早早孕流产组与宫内、外早早孕组比较差异有统计学意义(P<0.01)。结论:经阴道彩色多普勒能量图结合血β-hCG联合应用能预测妊娠的趋向,提示妊娠的着床部位,为临床早诊断、早治疗、避免误诊提供一个有价值的临床诊断方法。
Objective: To investigate the value of transvaginal color Doppler energy imaging ultrasound combined with serum β-hCG in the “blind spot of pregnancy”. Methods: TV-CD and blood β-hCG were examined in 120 cases of early pregnancy who had positive or weak urine pregnancy test and gestational age about 32-42 days. Results: The intrauterine early pregnancy endometrial arterial resistance index (RI) <0.5, intrauterine early pregnancy and abortion type RI> 0.5, the difference was statistically significant (P <0.01), extrauterine early pregnancy endometrium See the obvious limitations of arterial blood flow signal, while a small part of RI> O.5, the majority see the venous flow signal or no blood flow signal. 48h after the review, intrauterine early pregnancy and abortion group, early pregnancy group and intrauterine early pregnancy group difference was statistically significant (P <0.01), but there was no significant difference between the two groups (P> 0.05). There was significant difference between the early β-hCG intrauterine pregnancy group and the early intrauterine pregnancy and abortion group, the early extrauterine pregnancy group (P <0.01), there was no statistical difference between the early pregnancy group and the early intrauterine pregnancy abortion group Significance (P> 0.05), 48h after the review, intrauterine early pregnancy and abortion group and intrauterine and early pregnancy group difference was statistically significant (P <0.01). Conclusion: Combined transvaginal color Doppler imaging with blood β-hCG can predict the tendency of pregnancy, suggesting that the site of pregnancy can provide a valuable clinical diagnosis method for early diagnosis, early treatment and misdiagnosis.