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| Value of prenatal diagnosis of placenta accreta by combined multiple ultrasound inspection |
| Department of Ultrasound, Xinjiang Uygur Autonomous Region People’s Hospital, Urumqi 830001, China |
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Abstract Objective: To assess the value of prenatal diagnosis of placenta accreta by combined multiple ultrasound inspection. Methods: One hundred and eighty-nine cases of placenta prevail patients underwent combined multiple ultrasound inspection from January 2011 to January 2015 in our hospital, whose clinical data, ultrasonography and other information were collected, according to whether mergered with the placenta accreta, those patients were divided into placenta accreta group and non placenta accreta group, and the diagnosis value, sonographic features, misdiagnosed reasons of multiple methods(abdominal, superfical, vaginal, combined with three-dimensional power Doppler examination) in the placenta implants were analyzed. Results: There are 34 cases placenta accreta in 189 cases of placenta prevail, its incidence was 18%(34/189), including 7 cases of adhesive placenta, 18 cases of partial placenta accreta and 9 cases of complete placenta accreta. The sensitivity and specificity of the combined multiple methods was 85.3%, 99.4%; significantly higher than abdominal(58.8%, 96.1%), abdominal united superfical(64.7%, 97.4%). Accuracy of the combined multiple methods was 96.8%, significantly higher than the abdominal(89.7%), abdominal united superfical(91.5%). Conclusion: Using combined multiple ultrasound inspection could avoid the limitations of using a single ultrasound, and could greatly increase the accuracy of diagnosis of placenta accreta.
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