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| Diagnostic value of prenatal ultrasonographic scoring system in placenta previa with placenta accreta |
| FU Min HAN Jiangtao▲ |
| Department of Medical Ultrasound, the First People′s Hospital of Yibin, Sichuan Province, Yibin 664000, China |
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Abstract Objective To explore the diagnostic clinical significance of prenatal ultrasonographic scoring system in placenta previa with placenta accreta. Methods From May 2013 to April 2017, 186 pregnant women were selected in Department of Obstetrics, the First People′s Hospital of Yibin. According to the clinical and pathological results, they were divided into placenta accreta group (64 cases, placenta previa with placenta increta), non-placenta accreta group (82 cases, placenta previa without placenta accreta) and control group (40 cases, neither placenta previa nor placenta increta). Among 64 cases of placenta previa with placenta implantation, 24 cases were adhesion type, 22 cases were implanted type and 18 cases were penetrating type. The prenatal ultrasonographic scores in the groups were compared. The diagnostic value of prenatal ultrasonographic score in placenta previa with placenta increta was assessed by receiver operating characteristic curves (ROC). Results The score of prenatal ultrasonography in the placenta accreta group was higher than those in the non-placenta accreta group and the control group (P < 0.05). There was no significant difference of prenatal ultrasonography score in adhesive patients, implanted patients and the penetrating patients (P > 0.05). There were 64 cases with placenta accrete by clinical and pathological findings, and there were 60 cases with placenta accrete by prenatal ultrasonographic signs score. The diagnostic sensitivity of prenatal ultrasonographic score was 93.75% and specificity was 96.34%. The diagnostic value of prenatal ultrasonographic signs score in placenta accrete and the ROC was 0.959. Conclusion Prenatal ultrasound imaging score has a high sensitivity and specificity for the diagnosis of placenta previa with placenta accreta, which can provide basis for clinical diagnosis and treatment.
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