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Eur J Obstet Gynecol Reprod Biol. 1997 Jul;74(1):103-9.

Increased concentrations of plasma epinephrine and norepinephrine in patients with eclampsia.

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Department of Obstetrics and Gynecology, Hamamatsu University School of Medicine, Shizuoka, Japan.


We measured plasma catecholamine concentrations on admission (after eclamptic fit) and after 6 days of delivery in 21 eclamptic patients and on admission in 15 normotensive pregnant women in Bangladesh. Plasma epinephrine and norepinephrine concentrations in eclamptic patients were significantly higher on admission than those of normotensive pregnant women (P < 0.0001). Plasma catecholamine concentrations and mean arterial blood pressure had return to be almost normal as normotensive pregnant women after 6 days of delivery, resulting in no correlation between mean arterial blood pressure and plasma catecholamines. On admission (after eclamptic fit) mean arterial blood pressure was positively correlated with plasma epinephrine (r = 0.626, P < 0.002) and norepinephrine (r = 0.553, P < 0.008) concentrations in patients with eclampsia. The amount of proteinuria was also significantly correlated with plasma epinephrine (r = 0.515, P < 0.02) and norepinephrine (r = 0.606, P < 0.003) concentrations. Number of convulsions was significantly correlated with concentrations of plasma epinephrine (r = 0.514, P < 0.02), norepinephrine (r = 0.521, P < 0.01) and mean arterial blood pressure (r = 0.535, P < 0.01). A positive correlation was found between time passed after convulsion with plasma epinephrine (r = 0.515, P < 0.02) and norepinephrine (r = 0.570, P < 0.006) concentrations. These suggested that the increased plasma levels of epinephrine and norepinephrine in eclamptic patients were well correlated with the severity of the clinical features of eclampsia.

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