Observational studyArchives of gynecology and obstetrics2025
Reduced fetal ductus venosus shunt fraction is associated with adverse perinatal outcomes in pregnancy with pregestational diabetes mellitus.
Observational study in Archives of gynecology and obstetrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeWe aimed to determine fetal liver perfusion in PGDM and GDM pregnancies and to assess the relation of ductus venosus (DV) shunt fraction with adverse pregnancy outcomes.
methodsWe conducted a prospective longitudinal observational study including 188 pregnant women: group I-patients with pregestational DM (PGDM, n = 86), group II-patients with gestational DM (GDM, n = 44), group III-control (n = 58). The patients included in the study underwent ultrasound examination at 30
resultsIn PGDM pregnancies, umbilical blood flow was redistributed to the fetal liver, increasing left portal and total liver volumetric blood flow (p < 0.001) compared with GDM and control groups. Pathological reduction in the DV shunt fraction (≤ 16.5%) was associated with an increased relative risk of preterm delivery (3.61 [95%CI 1.68; 7.71]), LGA-birth (1.64 [95% CI 1.26; 2.12]), neonatal adiposity (1.53 [95%CI 1.18; 1.98]), fetal hypoxia (3.47 [95%CI 1.34; 9.05]), emergency cesarean Sect. (1.93 [95%CI 1.26; 2.97]), and neonatal intensive care unit stay of more than 5 days (1.78 [95%CI 1.08; 2.93]).
conclusionDecreased DV shunt fraction reflects changes in fetal hemodynamics in PGDM-pregnancies and associated with an increased risk of adverse perinatal outcomes.
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