Magnetic resonance imaging and previous cesarean section in placenta accrete spectrum disorder: Predictor model

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art_POLIZIO_Magnetic_resonance_imaging_and_previous_cesarean_section_in_2022.PDF (1005.82 KB)
Citações na Scopus
0
Tipo de produção
article
Data de publicação
2022
DOI
SciELO
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER ESPANA
Autores
PERES, Stela Verzinhasse
Citação
CLINICS, v.77, article ID 100027, 6p, 2022
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Objective: To evaluate objective criteria of Magnetic Resonance Imaging (MRI) of Placenta Accreta Spectrum disorder (PAS) analyzing interobserver agreement and to derive a model including imaging and clinical variables to predict PAS. Methods: A retrospective review including patients submitted to MRI with suspicious findings of PAS on ultrasound. Exclusion criteria were lack of pathology or surgical information and missing or poor-quality MRI. Two radiologists analyzed six MRI features, and significant clinical data were also recorded. PAS confirmed on pathology or during intraoperative findings were considered positive for the primary outcome. Variables were tested through logistic regression models. Results: Final study included 96 patients with a mean age of 33 years and 73.0% of previous C-sections. All MRI features were significantly associated with PAS for both readers. After logistic regression fit, including MRI signs with a moderate or higher interobserver agreement, intraplacental T2 dark band was the most significant radiologic criteria, and ROC analysis resulted in an AUC = 0.782. After including the most relevant clinical data (previous C-section) to the model, the ROC analysis improved to an AUC = 0.893. Conclusion: Simplified objective criteria on MRI, including intraplacental T2 dark band associated with clinical information of previous C-sections, had the highest accuracy and was used for a predictive model of PAS.
Palavras-chave
Placenta accrete, Placenta previa, Cesarean section, Magnetic resonance imaging
URI
https://observatorio.fm.usp.br/handle/OPI/47183
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MOG
Artigos e Materiais de Revistas Científicas - HC/ICESP
Artigos e Materiais de Revistas Científicas - HC/ICHC
Artigos e Materiais de Revistas Científicas - HC/InRad
Artigos e Materiais de Revistas Científicas - LIM/57