期刊
AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM
卷 5, 期 3, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ajogmf.2022.100838
关键词
bile acids; cholestasis; pregnancy
This study compared the guidelines for the diagnosis, antepartum surveillance, and timing of delivery of pregnancies complicated by intrahepatic cholestasis of pregnancy published by the Society for Maternal-Fetal Medicine and the Royal College of Obstetricians and Gynaecologists. The two organizations have several key differences in their clinical guidelines, including the criteria for diagnosing intrahepatic cholestasis of pregnancy and the recommended treatments. The Society for Maternal-Fetal Medicine recommends fetal surveillance and specific delivery timing based on bile acid levels, while the Royal College of Obstetricians and Gynaecologists does not recommend additional fetal testing beyond kick count assessment and stratifies delivery timing based on bile acid levels.
This study reviewed the literature regarding the diagnosis, antepartum surveillance, and timing of delivery of pregnancies complicated by intrahepatic cholestasis of pregnancy, comparing the guidelines published by the Society for Maternal-Fetal Medicine in February 2021 and those published by the Royal College of Obstetricians and Gynaecologists in the United King-dom in June 2022. Several key differences exist in the clinical guidelines between the 2 organizations. With regard to the diagnosis of intrahepatic cholestasis of pregnancy, the Soci-ety for Maternal-Fetal Medicine considers any elevation in bile acids above the upper limit of normal in the setting of maternal pruritus diagnostic of intrahepatic cholestasis of pregnancy, whereas the Royal College of Obstetricians and Gynaecologists requires a pregnancy-specific elevated bile acid level of >= 19 mmol/L for diagnosis. Regarding the treatment of intrahepatic cholestasis of pregnancy, the Society for Maternal-Fetal Medicine recommends ursodeoxy-cholic acid as the first-line treatment of maternal symptoms. In contrast, the Royal College of Obstetricians and Gynaecologists specifically recommends against the routine use of urso-deoxycholic acid for intrahepatic cholestasis of pregnancy because of a lack of evidence regarding both maternal and fetal benefit. The Society for Maternal-Fetal Medicine recom-mends fetal surveillance at a gestational age when abnormal fetal testing would result in deliv-ery being performed, whereas the Royal College of Obstetricians and Gynaecologists does not recommend any fetal testing beyond fetal kick count assessment. The Society for Maternal -Fetal Medicine recommends delivery at 36 to 39 weeks' gestation for intrahepatic cholestasis of pregnancy with bile acids <100 mmol/L and delivery at 36 weeks for bile acid levels >100 mmol/L. The Royal College of Obstetricians and Gynaecologists recommends serial assessment of bile acids with delivery timing stratified between 35-and 40-weeks' gestation according to bile acid levels.
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