期刊
FRONTIERS IN CARDIOVASCULAR MEDICINE
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fcvm.2022.963957
关键词
liver enzymes; early pregnancy; gestational hypertension; prospective cohort study; preeclampsia
资金
- Natural Science Foundation of China
- National key research and development program [82070323]
- Research Project of Shanghai Municipal Health Commission [2021YFC2701004]
- CAMS Innovation Fund for Medical Sciences [202140444]
- [2019-I2M-5-002]
Higher levels of ALT, ALP, and GGT within the normal range in early pregnancy are associated with an increased risk of gestational hypertension and preeclampsia, providing new insight into the role of hepatobiliary function in the pathogenesis of these conditions.
BackgroundGestational hypertension (GH) and preeclampsia (PE) are severe adverse gestational complications. Previous studies supported potential link between elevated liver enzyme levels and GH and PE. However, given the transient physiological reduction of liver enzyme levels in pregnancy, little is known whether the associations of the high-normal liver enzyme levels in early pregnancy with GH and PE exist in pregnant women. MethodsPregnant women in this study came from a sub-cohort of Shanghai Preconception Cohort, who were with four liver enzyme levels examined at 9-13 gestational weeks and without established liver diseases, hypertension and preeclampsia. After exclusion of pregnant women with clinically-abnormal liver enzyme levels in the current pregnancy, associations of liver enzyme levels, including alkaline phosphatase (ALP), alanine transaminase (ALT), aspartate aminotransferase (AST) and gamma-glutamyl transpeptidase (GGT), with GH and PE status were assessed by multivariable log-binomial regression. Population attributable fraction was measured to estimate the fractions of GH and PE that were attributable to the high-normal liver enzyme levels. ResultsAmong 5,685 pregnant women 160 (2.8%) and 244 (4.3%) developed GH and PE, respectively. After adjustment for potential covariates, higher ALP, ALT and GGT levels were significantly associated with the risk of GH (adjusted risk ratio (aRR):1.21 [95% confidence interval, 1.05-1.38]; 1.21 [1.05-1.38]; and 1.23 [1.09-1.39]), as well as the risk of PE(1.21 [1.13-1.29]; 1.15 [1.03-1.28]; 1.28 [1.16-1.41]), respectively. The cumulative population attributable fraction of carrying one or more high-normal liver enzyme levels (at 80th percentile or over) was 31.4% for GH and 23.2% for PE, respectively. ConclusionHigher ALT, ALP and GGT levels within the normal range in early pregnancy are associated with increased risk of GH and PE. The documented associations provide new insight to the role of hepatobiliary function in GH and PE pathogenesis.
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