Doppler evaluation of normal and abnormal placenta.
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| Abstract |
Doppler techniques are needed for the evaluation of the intraplacental circulation and can be of great value in the diagnosis of placental anomalies. Highly sensitive Doppler techniques can differentiate between the maternal (spiral arteries) and fetal (intraplacental branches of the umbilical artery) components of the placental circulation and assist in the evaluation of the placental functional units. A reduced number of placental functional units can be associated with obstetric complications, such as fetal growth restriction. Doppler techniques can also provide information on decidual vessels and blood movement. Abnormal decidual circulation increases the risk of placenta accreta. Doppler evaluation of the placenta greatly contributes to the diagnosis and clinical management of placenta accreta, vasa previa, placental infarcts, placental infarction hematoma, maternal floor infarction, massive perivillous fibrin deposition and placental tumors. However, it has a limited role in the diagnosis and clinical management of placental abruption, placental hematomas, placental mesenchymal dysplasia and mapping of placental anastomoses in monochorionic twin pregnancies. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.
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| Authors | E Hernandez-Andrade, E S Huntley, M F Bartal, E E Soto-Torres, D Tirosh, S Jaiman, A Johnson |
| Journal | Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology (Ultrasound Obstet Gynecol) Vol. 60 Issue 1 Pg. 28-41 (07 2022) ISSN: 1469-0705 [Electronic] England |
| PMID | 34806234 (Publication Type: Journal Article, Review) |
| Copyright | © 2021 International Society of Ultrasound in Obstetrics and Gynecology. |
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