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1
The study evaluated bedside bimodal ultrasound for assessing cerebral circulation in preterm infants with maternal recurrent spontaneous abortion.
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2
A total of 120 preterm infants were enrolled, with assessments performed on postnatal days 1, 3, 5, and 7.
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3
Significant time effects and group interactions were found for pulsatility index and optic nerve sheath diameter, indicating dynamic changes.
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4
The bimodal ultrasound model showed an AUC of 0.759, while the expanded model had an AUC of 0.817, indicating good predictive performance.
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5
Maternal immunotherapy status influenced cerebral hemodynamic trajectories, but findings do not confirm a direct protective effect on IVH risk.
