What is Preeclampsia?

Preeclampsia is defined as a condition that occurs exclusively during pregnancy. It is clinically characterized by several key symptoms, including hypertension (high blood pressure) and edema (swelling) of the face, hands, and feet. Another hallmark of the condition is proteinuria (the presence of protein in the urine), which serves as an indicator of renal dysfunction, alongside thrombocytopenia (a decreased platelet count).

Etiology of Preeclampsia

The exact cause of preeclampsia remains idiopathic (unknown). However, several factors are believed to contribute to its development, such as, Abnormalities in the placenta—the organ responsible for connecting the mother to the fetus and supplying essential nutrients and oxygen. Compromised blood perfusion to the uterus. Poor nutrition or a high body fat percentage (obesity). Genetics may also play a significant role in the onset of the condition.

Some factors that increase the risk of developing preeclampsia include:

Ÿ Autoimmune disorders.

Ÿ Vascular diseases.

Ÿ Primigravida (first pregnancy) or multiple gestation (twins).

Ÿ Morbid obesity before or during pregnancy.

Ÿ Maternal age: Women over 40 or under 15 years old.

Ÿ Chronic conditions: Hypertension, diabetes, renal disease, or migraines.

Ÿ Chronic anemia.

Ÿ History of preeclampsia in a previous pregnancy.

Ÿ Genetic factors: Family history (mother or sister).

Ÿ In Vitro Fertilization (IVF) pregnancies.

Ÿ Pregnancy spacing: Intervals less than 2 years or more than 10 years.

Ÿ Symptoms of Preeclampsia

Ÿ Clinical indicators include blood pressure ≥ 140/90 mmHg, proteinuria, and rapid weight gain due to edema. Other symptoms include:

Ÿ Oliguria (decreased urine output).

Ÿ Chronic headaches.

Ÿ Nausea and vomiting.

Ÿ Dizziness.

Ÿ Epigastric pain (severe pain in the upper right abdomen).

Ÿ Visual disturbances and photophobia (light sensitivity).

Ÿ Dyspnea (shortness of breath).

Ÿ Elevated liver enzymes and impaired renal function.

Ÿ Thrombocytopenia (platelet count < 100,000) and skin bruising.

Symptoms of Severe Preeclampsia:

Ÿ Fetal heart rate changes (fetal distress).

Ÿ Acute abdominal pain.

Ÿ Eclampsia (seizures/convulsions).

Ÿ Hepatic and renal failure.

Ÿ Pulmonary edema (fluid in the lungs).

Resolution of Preeclampsia

Preeclampsia typically develops after the 20th week of gestation (during the second half of pregnancy). While early-onset cases can occur in the initial weeks, they are clinically rare. Symptoms generally persist for one to six weeks postpartum, though they may last longer in some instances; consequently, the condition is sometimes diagnosed only after delivery (Postpartum Preeclampsia).

Regarding when preeclampsia resolves, delivery is considered the only definitive cure. Following the birth of the baby and the delivery of the placenta, the progression of the disease typically halts, symptoms gradually subside, and blood pressure levels return to their normal physiological baseline.

Prevention of Preeclampsia

Ÿ Preeclampsia cannot be entirely prevented; however, the risk of developing the condition can be minimized by adhering to the following recommendations:

Ÿ Restrict salt consumption.

Ÿ Maintain hydration: Drink 6–8 glasses of water daily.

Ÿ Dietary management: Avoid fried and processed foods.

Ÿ Ensure adequate rest.

Ÿ Engage in regular physical exercise.

Ÿ Elevate the feet several times throughout the day.

Ÿ Avoid alcohol and smoking.

Ÿ Avoid caffeinated beverages.

Ÿ Weight reduction in cases of obesity.

Ÿ Regular monitoring of blood pressure and blood glucose levels.

Ÿ Adherence to prescribed prophylactic medications.

Ÿ Low-dose Aspirin and Calcium supplementation: Initiating low-dose aspirin in early pregnancy and calcium supplements in later stages helps prevent preeclampsia in high-risk mothers.

Ÿ Aspirin and Calcium Interaction

Ÿ Regarding the frequently asked question: Does calcium interfere with aspirin? Taking calcium concurrently with aspirin may reduce the aspirin's efficacy. Therefore, it is clinically advisable to take each supplement at a different time of day to avoid any potential drug interaction.

Most women diagnosed with preeclampsia deliver perfectly healthy babies. The incidence rate of preeclampsia is approximately 5–8% among pregnant women.

Complications of Preeclampsia:

Ÿ Preeclampsia is a severe and life-threatening condition for both the mother and the fetus if blood pressure and proteinuria are not controlled. Potential complications include:

Ÿ Placental Abruption: Sudden detachment of the placenta from the uterus, which may lead to fetal death.

Ÿ  Cardiovascular Diseases.

Ÿ  Preterm Birth: This may lead to future complications for the child, such as learning disabilities, epilepsy, and cerebral palsy.

Ÿ Stroke.

Ÿ Maternal or Fetal Mortality: (Rare occurrence).

Ÿ Severe Postpartum Hemorrhage.

Ÿ Severe Seizures (Eclampsia).

Ÿ Renal Failure.

Ÿ Liver Failure.

Ÿ Hepatic Rupture and Hemorrhage.

Ÿ Intrauterine Growth Restriction (IUGR): Delivering a small-for-gestational-age baby due to impaired placental blood flow and nutrient delivery.

Ÿ Temporary Vision Loss.

Ÿ HELLP Syndrome: A life-threatening condition characterized by:

Ÿ Hemolysis: The breakdown of red blood cells.

Ÿ Elevated Liver Enzymes.

Ÿ Low Platelet Count: Resulting in impaired blood clotting and increased bleeding risk.