Background: Intrahepatic cholestasis of pregnancy (ICP) is associated with adverse
perinatal outcomes. Measurement of total bile acid (TBA) levels is most
reliablel test. With growing interest in the inflammatory basis of ICP, the
present study was undertaken to evaluate the association of inflammatory
markers serum IL-6 and TNF-α levels with liver enzyme levels in women with ICP.
Objective: To measure levels of alanine transaminase (ALT) and aspartate
transaminase (AST) and and TNF alpha in women with obstetric cholestasis and
controls and find if there any association
Methods: This was a hospital-based case–control study to evaluate the
association of serum IL-6 and TNF-α levels with liver enzyme levels in ICP
cases and controls. ICP was confirmed by clinical as well as total bile acid
level levels >10 μmol/L; ALT and/or AST, Interleukin-6 (IL-6) Tumor Necrosis
Factor-alpha (TNF-α) were estimated using enzyme-linked immunosorbent assay
(ELISA) kits. Statistical Analysis was done as required.
Results: There were 84 participants with 42 in each group. Mean ALT and AST
were raised in cases, p < 0.001). A gradual increase in IL-6 and TNF-α
levels was observed with increasing AST, ALT, and total bile acids among women
with ICP. The levels were in increasing trends However, the differences between
categories were not statistically significant (p > 0.05).
Conclusion: In conclusion, the present study demonstrates that although liver enzymes
(ALT and AST) are significantly elevated in women with intrahepatic cholestasis
of pregnancy, serum IL-6 and TNF-α levels do not show a significant association
with hepatic enzyme levels or disease severity.
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