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目的 :对超声诊断前置胎盘的具有的价值进行探讨。方法 :选取在本院进行分娩的88例患有前置胎盘的孕妇,对其进行产前超声检查,并与产后相关的临床资料进行对比。结果 :产后证实35例前置胎盘,经腹超声检查诊断前置胎盘31例。其中属于完全性前置胎盘的有4例,属于部分性前置胎盘的有9例,边缘性的前置胎盘有12例,低置胎盘6例。漏诊的有4例,其中误诊的则有2例。而后经过超声联合检查,对漏诊的4例进行了纠正,但依旧存在2例误诊的情况,其中一例的侧壁低置胎盘被误诊为完全性的前置胎盘,一例为后壁边缘性前置胎盘但被误诊为部分性的前置胎盘。综上诊断的符合率为94.29%。结论 :超声诊断前置胎盘比较安全、准确性较高、费用较低且能够重复检查,是目前诊断前置胎盘首选的检查方法。联合应用可提高诊断的准确性率。
Objective: To explore the value of ultrasonic diagnosis of placenta previa. Methods: A total of 88 pregnant women with placenta previa who were delivered in our hospital were selected and examined by prenatal ultrasound and compared with postpartum related clinical data. Results: 35 cases of placenta previa were confirmed after delivery and 31 cases of placenta previa were diagnosed by transabdominal ultrasonography. There were 4 cases of complete placenta previa, 9 cases of partial placenta previa, 12 cases of marginal placenta previa and 6 cases of placenta previa. Missed diagnosis of 4 cases, of which misdiagnosed there are 2 cases. And after ultrasound examination, the missed diagnosis of four cases were corrected, but there are still two cases of misdiagnosis, one case of low wall placenta previa was misdiagnosed as a complete placenta previa, one case of the posterior wall marginal prefrontal Placenta but was misdiagnosed as partial placenta previa. In conclusion, the coincidence rate of diagnosis was 94.29%. Conclusion: Ultrasound diagnosis of placenta previa relatively safe, high accuracy, low cost and can be repeated examination is the preferred method of diagnosis of placenta previa. Combined application can improve the diagnostic accuracy rate.