Increased serum ghrelin in preeclampsia: is ghrelin a friend or a foe?

2016 
Objectives: To investigate maternal serum ghrelin levels in pregnancies complicated by preeclampsia and to explore the relationship between ghrelin level and disease severity. Materials and methods: This case-control study included 40 healthy pregnant women, 42 women with mild preeclampsia, and 40 women with severe preeclampsia. The groups were matched in terms of maternal and gestational age and body mass index. Serum ghrelin levels were measured via enzyme immunoassay. Results: Serum ghrelin levels were significantly higher in women with mild and severe preeclampsia than in healthy controls (p 0.05). In the control group, no significant correlation was observed between ghrelin level and any other parameter, but in the preeclampsia group, serum ghrelin levels were negatively correlated with uterine artery Doppler index values and both systolic and diastolic blood pressure (all p-values < 0.05). Multivariate stepwise linear regression analysis revealed that systolic blood pressure ( β = 0.493, p = 0.023) was independently associated with serum ghrelin level. Conclusion: Elevated blood ghrelin levels were correlated with disease severity in pregnancies complicated by preeclampsia.
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