Keywords: Uterus, Prenatal, Supine hypotension syndrome, Gynecology
Motivation: Effectively preventing supine hypotension syndrome (SHS) is difficult due to the lack of sufficient in vivo abdominal MRI data.
Goal(s): This study aimed to retrospectively analyze the changes in the quantitative parameters of maternal MRI in late pregnancy to identify potential predictors of SHS.
Approach: By examining late-term prenatal MRI scans, we observed changes in several quantitative parameters.
Results: The abdominal–right uterine surface area ratio, dural sac anteroposterior diameter, ratio of epidural space anteroposterior diameter to dural sac, anteroposterior diameter, and left and right vertebral vein short-axis measurements were found to be helpful in determining SHS.
Impact: Late-term prenatal MRI can fully display the changes in maternal structure, providing a method for preoperative prediction of SHS after anesthesia.
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