Preeclampsia
Hypertension is the most common medical complication of pregnancy, some authors is the second medical complication of pregnancy only after the anemia is most common in young people during the first pregnancy and older nulliparous, pre-hypertensive and diabetic. Every three minutes a woman dies in the world due to preeclampsia. It affects between 3-10% (average 5%) of pregnancies, is the leading cause of maternal death in the world and the United States representing at least 15% of deaths related to pregnancy. In Mexico, it is also the most common complication of pregnancy, the incidence is 47.3 per 1000 births and is also the first cause of hospitalization of pregnant patients to intensive care units (due to massive bleeding, to receive hemodynamic support ), according to health department (2001) mortality due to pregnancy complications occupies the 15th place in the overall hospital mortality. In addition, the rate of preeclampsia has increased by 40% in the period between 1990 and 199 915 and is up to 40% of iatrogenic premature deliveries.
Preeclampsia is a clinical syndrome characterized by multiple organ dysfunction hypertension, proteinuria, edema. Believed to be an endothelial disorder that results from poor perfusion of the placenta releases factors that damage the endothelium to activate the coagulation cascade or increase the sensitivity of the endothelium to pressor agents.