Prenatal diagnosis of vasa previa and the course of the cord vessels contribute to the safety of cesarean sections: A case report

Aoki, M; Obata, Soichiro; Odagami, Mizuha; Miyagi, Etsuko; Aoki, Shigeru

doi:10.1002/ccr3.2432

Cited by 4 publications

(5 citation statements)

References 19 publications

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“…Vasa previa can also be found in women with normal placental location; however, this is very rare. In these cases, a detailed transabdominal scan with color Doppler can detect the communicating vessel in the lower uterine segment, thus reducing the risk of bleeding during Cesarean section [61][62][63] .…”

Section: Vasa Previamentioning

confidence: 99%

Doppler evaluation of normal and abnormal placenta

Hernández‐Andrade

Huntley

Bartal

et al. 2022

Ultrasound in Obstet & Gyne

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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.

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Section: Vasa Previamentioning

confidence: 99%

Doppler evaluation of normal and abnormal placenta

Hernández‐Andrade

Huntley

Bartal

et al. 2022

Ultrasound in Obstet & Gyne

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“…Thereby, if there was just no obvious blood flow at the time gap during ultrasonic scanning, the vasa previa could still not be identified [10] . MRI can be an alternative in identifying vasa previa, if the ultrasound scanning results are contradictory [11] . MRI has some advantages in this field [12].…”

Section: Discussionmentioning

confidence: 99%

Vasa previa or not? A special parachute type of placenta caused dispute in ultrasonography diagnosis: A case report.

Hong,

2024

Preprint

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We present here a case of vasa previa with a special parachute placenta. During two times of ultrasonic scanning, there was dispute for the existence of vasa previa. Then the patient was referred to magnetic resonance imaging(MRI) scanning, and a parachute type of placenta and a previa vessel were identified. The patient subsequently underwent an elective cesarean section after 34 weeks of gestation, giving birth to a healthy child with an uneventful post-partum course. The cesarean section avoided laceration of the vasa previa which would probably bring fetal life threatening complication due to acute fetal blood loss. The identification and exclusion of vasa previa are essential to ensure appropriate and timely treatment. If there's contradictory ultrasonography results, MRI may offer some assistance in diagnosis.

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“…If foetal vessels are running on the anterior lower segment of the uterus, obstetricians should be careful to avoid intraoperative rupture of foetal vessels. Aoki et al reported a case of vasa praevia in which the cord vessels were running on the anterior lower uterine segment [5]. They made a horizontal incision on the uterine fundus to avoid rupture of the cord.…”

Section: Discussionmentioning

confidence: 99%

Vasa praevia with meandering foetal vessels despite placental and umbilical cord insertion on the same side of the uterine wall: a case report

Horiuchi

Satō

Matsui

et al. 2021

Preprint

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Prenatal diagnosis of vasa previa and the course of the cord vessels contribute to the safety of cesarean sections: A case report

Abstract: Vasa previa can occur even in cases without placental malposition and the precise diagnosis of vasa previa, and the course of the cord vessels contributes to a safe delivery. The color Doppler is a useful and easy‐to‐use device to confirm the presence of vasa previa.

Cited by 4 publications

References 19 publications

Doppler evaluation of normal and abnormal placenta

Doppler evaluation of normal and abnormal placenta

Vasa previa or not? A special parachute type of placenta caused dispute in ultrasonography diagnosis: A case report.

Vasa praevia with meandering foetal vessels despite placental and umbilical cord insertion on the same side of the uterine wall: a case report

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