Variation in cerebral perfusion pressure with different hypertensive states in pregnancy

Article Abstract:

Hypertension or preeclampsia in pregnancy appear to substantially increase cerebral blood flow. Researchers calculated blood flow in the brain of 17 nonpregnant women, 17 pregnant women, 20 pregnant women with high blood pressure, and 21 women with preeclampsia, a hypertensive complication of pregnancy. Hypertensive and preeclamptic women had significantly elevated cerebral perfusion pressure, but pregnancy alone only caused an 18% increase in blood flow in the brain, compared to the flow in nonpregnant women.

Pregnancy, Preeclampsia, Hypertension in pregnancy, Gestational hypertension

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Effect of labor on maternal cerebral blood flow velocity

Article Abstract:

Blood vessels in the brains of pregnant women may dilate during delivery to protect the brain from adverse changes in blood pressure. Researchers used an ultrasound probe that can be placed against the head to measure blood flow in the brains of 15 pregnant women during delivery. During labor, blood flow in the brain fell significantly even during contractions and active pushing. This indicates that the blood vessels in the brain dilate, or become bigger.

Blood flow, Measurement, Blood flow measurement, Brain, Childbirth, Delivery (Childbirth), Labor (Obstetrics)

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Persistence of cerebral hemodynamic changes in patients with eclampsia: a report of three cases

Article Abstract:

Pregnant women with eclampsia may have an oversupply of blood to the brain. Eclampsia is a pregnancy complication that can cause seizures.

Abnormalities, Eclampsia

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