ArticleAnnals of Saudi medicine
Placenta accreta spectrum in major placenta previa diagnosed only by MRI: incidence, risk factors, and maternal morbidity.
Article in Annals of Saudi medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Risk Factors and Clinical Outcomes of Abnormal Placental Localization:Saudi medical journal · 2026Article
- Impact of high-order repeat cesarean deliveries on early maternal complications among major placenta previa patients in Southern Saudi Arabia.Saudi medical journal · 2024Article
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5 authors.
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Abstract
backgroundAntenatal assessment of maternal risk factors and imaging evaluation can help in diagnosis and treatment of placenta accreta spectrum (PAS) in major placenta previa (PP). Recent evidence suggests that magnetic resonance imaging (MRI) could complement ultrasonography (US) in the PAS diagnosis.
objectivesEvaluate the incidence, risk factors, and maternal morbidity related to the MRI diagnosis of PAS in major PP.
designA 10-year retrospective cohort study.
settingTertiary care hospital. PATIENTS AND
methodsWe report on patients with major PP who had cesarean delivery in Abha Maternity and Children's Hospital (AMCH) over a 10-year period (2012-2021). They were evaluated with ultrasonography (US) and color Doppler for evidence of PAS. Antenatal MRI was ordered either to confirm the diagnosis (if equivocal US) or to assess the depth of invasion/extra-uterine extension (if definitive US).
main outcome measuresRisk factors for PAS in major PP and maternal complications. SAMPLE SIZE: 299 patients
resultsAmong 299 patients, MRI confirmed the PAS diagnosis in 91/299 (30.5%) patients. The independent risk factors for MRI diagnosis of PAS in major PP included only repeated cesarean sections and advanced maternal age. The commonest maternal morbidity in major PP with PAS was significantly excessive intraoperative bleeding.
conclusionMRI may be a valuable adjunct in the evaluation of PAS in major PP; as a complement, but not substitute US. MRI may be suitable in major PP/PAS patients who are older and have repeated cesarean deliveries with equivocal results or deep/extra-uterine extension on US. LIMITATION: Single center, small sample size, lack of complete histopathological diagnosis. CONFLICT OF INTEREST: None.
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