Relationship between vaginal ultrasound measurement of uterine scar thickness and maternal and infant outcomes of scarred pregnancy patients
LIAO Huifang1 HUANG Shuhua2
1.Department of Ultrasound,the First Affiliated Hospital of Gannan Medical College (Nankang Branch),Jiangxi Province,Ganzhou 341400,China;
2.Department of Ultrasound,Nanfang Hospital,Ganzhou Hospital,Ganzhou People's Hospital,Jiangxi Province,Ganzhou 341000,China
Abstract：Objective To explore the relationship between vaginal ultrasound measurement of uterine scar thickness and maternal and infant outcomes of scar pregnancy patients.Methods A total of 72 pregnant women with cicatric uterus admitted to the First Affiliated Hospital of Gannan Medical College(Nankang Branch)from April 2020 to April 2022 were selected.All of them underwent vaginal ultrasound examination after admission,and they were divided into observation group(31 cases with cicatric thickness＜3 mm)and control group(41 cases with cicatric thickness≥3 mm)according to the thickness of cicatric uterus.Delivery and maternal and infant outcomes of the two groups were recorded,and Pearson or Spearman method was used to analyze the correlation between uterine scar thickness and maternal and infant outcomes of scar pregnancy patients.Results The vaginal delivery rate of the observation group (19.35%)was lower than that of the control group(60.98%),and the cesarean section rate (80.65%)was higher than that of the control group (39.02%),and the differences were statistically significant (P＜0.05).The Apgar scores of newborns in the observation group were lower than those in the control group at 1 min and 10 min after birth,and the incidence of fetal distress,uterine rupture and postpartum hemorrhage 24 h after delivery were higher than those in the control group,and the differences were statistically significant (P＜0.05).The uterine scar thickness was positively correlated with the Apgar scores of newborns at 1 and 10 minutes after birth(r=0.583,0.541,P＜0.05),and negatively correlated with fetal distress,uterine rupture,and postpartum hemorrhage 24 hours after birth (r=-0.394,-0.411,-0.571,P＜0.05).Conclusion The uterine scar thickness is positively correlated with the Apgar score of newborns at 1 and 10 minutes after birth,and negatively correlated with fetal distress,uterine rupture,and postpartum bleeding volume 24 hours.It is closely related to the maternal and infant outcomes of scar pregnancy patients,which has important clinical guiding significance.
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