Value of color Doppler flow imaging combined with fetal non-stress test in diagnosis of fetal distress
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摘要: 目的 分析彩色多普勒超声血流显像技术(CDFI)联合胎心无负荷试验(NST)诊断37~42周高危孕妇胎儿宫内窘迫的价值。 方法 选取100例高危妊娠孕妇,均接受CDFI以及NST检测。以产后分娩结果为金标准,比较单一检测、联合检测的结果。 结果 CDFI检测的阳性例数为39例, NST检测的阳性例数为39例,联合检测的阳性例数为31例。CDFI与NST联合检测的敏感度、特异度、准确率高于CDFI检测、NST检测,差异有统计学意义(P<0.05)。将所有孕妇按照孕周分为3组,即A组(孕37周~40周+6 d)39例、B组(孕41周~41周+6 d)32例、C组(孕42周)29例。B组胎儿宫内窘迫发生率为87.50%(28/32), 高于C组的79.31%(23/29)、A组的48.72(19/39), C组胎儿宫内窘迫发生率高于A组,差异均有统计学意义(P<0.05)。A组不良妊娠结局发生率低于B组、C组,差异有统计学意义(P<0.05)。 结论 CDFI联合NST检测诊断孕37~42周高危孕妇产前胎儿宫内窘迫的效果显著,能提高检测准确率,有利于指导临床早期干预。
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关键词:
- 彩色多普勒超声血流显像技术 /
- 胎心无负荷试验 /
- 高危孕妇 /
- 孕周 /
- 胎儿宫内窘迫
Abstract: Objective To analyze the value of color Doppler flow imaging(CDFI)combined with fetal non-stress test(NST)in the diagnosis of fetal distress in high-risk pregnant women with 37 to 42 gestational weeks. Methods Totally 100 high-risk pregnant women were selected and conducted with CDFI and NST detections. Taking the results of postpartum delivery as the gold standard, the results of single detection and combined detection were compared. Results There were 39 cases with positive result detected by CDFI, 39 cases with positive result detected by NST, and 31 cases with positive result detected by CDFI and NST. The sensitivity, specificity and accuracy of combined detection of CDFI and NST were significantly higher than those of CDFI or NST(P<0.05). All the pregnant women were divided into three groups according to gestational weeks, including 39 cases in group A(37 weeks to 40 weeks plus 6 days), 32 cases in group B(41 weeks to 41 weeks plus 6 days), and 29 cases in group C(42 weeks). The incidence of fetal distress in the group B was 87.50%(28/32), which was significantly higher than 79.31%(23/29)in the group C and 48.72%(19/39)in the group A, and was significantly higher in the group C than that in the group A(P<0.05). The incidence of adverse pregnancy outcomes in the group A was significantly lower than that in the group B and the group C(P<0.05). Conclusion CDFI combined with NST has a significant effect in the diagnosis of prenatal fetal distress in high-risk pregnant women with 37 to 42 gestational weeks, which can increase the detection accuracy and guide early clinical intervention. -
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