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A clinico-pathologic study of placenta percreta
Corinne Hubinont1, Mina Mhallem1, Pamela Baldin2
1Department of Obstetrics, Saint Luc University Hospital, Université de Louvain, Brussels, Belgium.
Summary
Accurate prenatal diagnosis of placenta percreta is crucial for management. Risk factors include higher gravidity, parity, and longer intervals between pregnancies, but prior cesarean delivery surgical techniques showed no impact.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
Background:
- Placenta percreta is a severe placental adhesion disorder with significant maternal morbidity.
- Previous cesarean delivery is a known risk factor for placenta percreta.
- Understanding risk factors and management strategies is critical for improving outcomes.
Purpose of the Study:
- To review a single-center case series of placenta percreta.
- To evaluate risk factors associated with placenta percreta.
- To assess the impact of surgical techniques from previous cesarean deliveries on placenta percreta development.
Main Methods:
- Retrospective cohort study of 19 pregnancies with placenta percreta.
- Data collected included demographics, outcomes, inter-pregnancy interval, and prior cesarean delivery surgical techniques.
- A control group of non-accreta placenta previa cases was used for comparison.
Main Results:
- Common ultrasonography findings included loss of the clear zone (82%), placental lacunae (100%), and subplacental hypervascularity (79%).
- Placenta percreta cases had higher median gravidity, parity, and number of prior cesarean deliveries, with longer inter-pregnancy intervals compared to controls.
- No significant difference was found in surgical techniques used for previous cesarean deliveries between the groups.
Conclusions:
- Prenatal ultrasonography is accurate for diagnosing placenta percreta, enabling timely management by multidisciplinary teams.
- Further multicenter studies are needed to fully elucidate the influence of prior cesarean delivery surgical techniques on subsequent placenta percreta risk.
