• Acta Medica Port · Mar 2021

    Placenta Accreta Overlying a Caesarean Section Scar: A 10-Year Experience in a Tertiary-Care Centre in Portugal.

    • Margarida Cal, Carla Nunes, Nuno Clode, and Diogo Ayres-de-Campos.
    • Departamento de Obstetrícia, Ginecologia e Medicina da Reprodução. Hospital de Santa Maria. Centro Hospitalar Universitário Lisboa Norte. Lisboa. Portugal.
    • Acta Medica Port. 2021 Mar 31; 34 (4): 266-271.

    IntroductionPlacenta accreta spectrum disorders are among the leading causes of maternal morbidity and mortality and their prevalence is likely to increase in the future. The risk of placenta accreta spectrum disorders is highest in cases of placenta previa overlying a previous cesarean section scar. Few studies have evaluated placenta accreta spectrum disorders in Portugal. The aim of this study was to review the cases of placenta accreta spectrum overlying a cesarean section scar managed in a Portuguese tertiary center over the last decade.Material And MethodsRetrospective, cross-sectional study, with data collected from hospital databases. Only cases with histopathological confirmation of placenta accreta spectrum were included.ResultsDuring the study period, 15 cases of placenta accreta spectrum overlying a cesarean section scar were diagnosed (prevalence 0.6/1000). All cases were diagnosed antenatally. A transverse cesarean section was present in all cases; 13 were managed by a scheduled multidisciplinary approach, while two required emergent management. Total or subtotal hysterectomy was performed in 12 cases. There were no cases of maternal or neonatal death. Histopathological evaluation confirmed nine cases of placenta accreta, three cases of placenta increta and three cases of placenta percreta.DiscussionEarly antenatal diagnosis is important for a programmed multidisciplinary management of these cases, which may reduce potential morbidity and mortality and ensure better obstetric outcomes.ConclusionThis case series of placenta accreta spectrum overlying a cesarean section scar reports the reality of a tertiary-care perinatal center in Portugal, in which no maternal or neonatal mortality due to placenta accreta spectrum was registered over the last decade; this may be attributed to prenatal diagnosis and a coordinated multidisciplinary team approach.

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