FETAL TEI INDEX IN PREGNANCIES WITH INTRAHEPATIC CHOLESTASIS OF PREGNANCY: A CASE-CONTROL STUDY.

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Tác giả: Manuel Guerra, Maria Haye, Nerea Maiz, Ignacio Montaño, Victoria Toro

Ngôn ngữ: eng

Ký hiệu phân loại: 297.1248 Sources of Islam

Thông tin xuất bản: United States : American journal of perinatology , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 726954

 OBJECTIVES: First, to explore differences in fetal cardiac function in patients with and without intrahepatic cholestasis of pregnancy (ICP) based on the TEI index. Second, to explore a potential correlation between TEI index and bile acid levels in pregnant women with ICP. Thirdly, to study changes in the TEI index of fetuses from pregnant women with ICP after administration of ursodeoxycholic acid (UDCA). METHODS: This is a prospective observational case-control study conducted at Hospital Clínico San José and Clínica RedSalud Vitacura, both in Santiago, Chile, between April 2018 and October 2020. ICP was defined as palmar-plantar pruritus of nocturnal predominance for more than one week associated with a total bile acid level above 10 μmol/L. Control cases were women with pregnancies scheduled for induction or elective cesarean section between 37 and 40 weeks of gestation according to current protocols. Differences in the TEI index between cases and controls were assessed by the Wilcoxon test. The correlation between the TEI index and bile acid levels was assessed by the Spearman correlation test. Changes in TEI index before and after administration of UDCA were analyzed by the paired samples Wilcoxon test. RESULTS: One hundred and ten women with ICP and 72 controls were included in the Sstudy. Median gestational age at inclusion was 35.9 weeks. Median TEI index was 0.31 (IQR, 0.29-0.36),
  this was significantly longer in fetuses of women with ICP ((0.34 vs 0.30, p<
 0.001). There was a significant correlation between bile acid levels and TEI index (0.584, p<
 0.001). In 21 fetuses the median TEI index decreased significantly following UDCA administration ((0.40 ms before treatment vs 0.33 after treatment, p=0.001). CONCLUSIONS: The TEI index is increased in fetuses of women with ICP. TEI index was significantly correlated with bile acid levels, and administration of UDCA significantly reduced the TEI index.
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