4.6 Article

Ultrasonographic Diagnosis of Placenta Accreta Spectrum (PAS) Disorder: Ideation of an Ultrasonographic Score and Correlation with Surgical and Neonatal Outcomes

Journal

DIAGNOSTICS
Volume 11, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/diagnostics11010023

Keywords

caesarean section; placental pathology; diagnostic ultrasound; prenatal diagnosis

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This study evaluated a novel ultrasonographic scoring system for the diagnosis of placenta accreta spectrum (PAS) and found it to have good performance in accurately identifying high-risk patients and implementing preventive strategies. The study also showed a higher incidence of complications in severe forms of PAS, emphasizing the importance of early antenatal ultrasonographic diagnosis in improving maternal and neonatal outcomes.
The objective of this study was to evaluate a novel ultrasonographic scoring system for the diagnosis of PAS and the prediction of maternal and neonatal outcomes. In this retrospective study, 138 patients with at least one previous caesarean section (CS) and placenta previa were included. They were divided into four groups ranging from Group 0 (Non PAS) to Group 3 (Placenta Percreta) according to the histological or surgical confirmation. Their ultrasound examinations during pregnancy were reviewed according to the nine different ultrasound signs reported by the European Working Group on Abnormally Invasive Placenta. For each parameter, 0 to 2 points were assigned. The sum of the points reflects the severity of PAS with a maximum score of 20. The scoring system revealed good performances in evaluation metrics, with an overall accuracy of 94%. In addition to this, patients' characteristics and surgical and neonatal outcomes were analyzed with an evidence of higher incidence of complications in severe forms. Our study suggests that antenatal ultrasonographic diagnosis of PAS is feasible with sufficient level of accuracy. This will be important in identifying high-risk patients and implementing preventive strategy.

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