Background:
Pre-eclampsia poses a significant potential risk of hypertensive disorders
during pregnancy, a leading cause of maternal deaths. Hyperuricemia is associated with adverse effects
on endothelial function, normal cellular metabolism, and platelet aggregation and adhesion.
This study was designed to compare serum urate levels in normotensive pregnant women to those
with pregnancy-induced hypertension, and to evaluate its value as a potential predictive marker of
hypertension severity during pregnancy.
Methods:
A prospective, observational, case-control study conducted on 100 pregnant women in
their third trimester. Pregnant women were classified into two groups (n=50) according to arterial
blood pressure measurements: group I had normal blood pressure, and group II had a blood pressure
of ≥ 140/90, which was further subdivided according to hypertension severity into IIa (pregnancy-
induced hypertension, IIb (mild pre-eclampsia), and IIc (severe pre-eclampsia). Blood samples
were obtained on admission. Serum urate, high sensitive C-reactive protein, and interleukin-1β
levels, and lipid profile were compared among the groups.
Results:
A significant increase in the mean values of serum urate, C-reactive protein, and interleukin-
1β levels was detected in gestational hypertensives. In addition, there was a positive correlation
between serum urate levels and C-reactive protein and interleukin-1β, as well as between serum
urate levels and hypertension severity.
Conclusion:
Hyperuricemia and increased C-reactive protein and interleukin-1β serum levels correlate
with the severity of pregnancy-induced hypertension, and these biomarkers may play a role in
the pathogenesis of pre-eclampsia. Serum urate measurement is sensitive, reliable markers that correlate
well with the severity of hypertension in pregnant females with pre-eclampsia.
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