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| Changes of uterine arterial hemodynamics of pregnant women with scar pregnancy, with different types of scar pregnancy, and with different pregnancy outcomes |
| Fuyang Women's and Children's Hospital, Fuyang, Anhui Province, 236504 |
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Abstract To explore the significance of the uterine artery hemodynamics monitored by ultrasound for diagnosing the scar pregnancy of the women. Methods: The data of 160 pregnant women from January 2019 to July 2021 were collected retrospectively, which included 80 cases with scar pregnancy diagnosed in group A and 80 cases without scar pregnancy diagnosed in group B. The values of the uterine artery blood flow parameters by color ultrasound, such as pulse index (PI), resistance index (RI), and systolic peak/end-diastolic flow rate (S/D), of the women were compared between the two groups. The relationships between the values of PI, R, and S/D of the women and their type of scar pregnancy and their pregnancy outcomes were analyzed. Results: The values of PI (0.98±0.40), RI (0.95±0.15), and S/D (3.32±1.12), of the women in group A during 12-17 gestational weeks were significantly higher than those (0.72±0.31, 0.50±0.18, and 2.12±0.80) of the women in group B. The values of PI (0.90±0.36), RI (0.86±0.20), and S/D (3.48±0.96) of the women in group A during 12-17 gestational weeks were significantly higher than those (0.78±0.25, 0.55±0.16, and 2.26±0.95) of the women in group B. The values of PI, RI, and S/D of the women with scar pregnancy of partial penetration type, of completely penetration type, and mixed type mass had increased gradually (all P<0.05). The pregnancy outcomes of the women in group A were followed up, and there were 13 cases with adverse pregnancy outcomes. The values of the uterine artery blood flow parameters of the women with adverse pregnancy outcomes were significantly higher than those the women with normal pregnancy outcomes (P<0.05). Conclusion: The uterine arterial hemodynamics of the pregnant women monitored by ultrasound has some guiding significances for diagnosing their scar pregnancy, for diagnosing different types of their scar pregnancy, and for diagnosing their adverse pregnancy outcomes.
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