Pre-eclampsia and eclampsia Flashcards
What is pre-eclampsia?
New hypertension in pregnancy with end organ dysfunction or proteinuria
What is eclampsia?
When seizures develop as a cause of pre-eclampsia
What is gestational hypertension?
New hypertension in pregnancy after 20 weeks that is not associated with proteinuria
What is the triad seen in pre-eclampsia?
Hypertension
Proteinuria
Oedema
What is the cause of pre-eclampsia?
Pre-eclampsia is caused by poor vascular resistance in the spinal arteries and poor perfusion of the placenta
What are high risk factors for pre-eclampsia?
Pre-existing hypertension
Pre-eclampsia in a previous pregnancy
Existing autoimmune conditions
Diabetes
CKD
What are moderate risk factors for pre-eclampsia?
High BMI
Age > 40
More than 10 years since previous pregnancy
First pregnancy
Multiple pregnancy
Family history of pre-eclampsia
What may be offered as prophylaxis for pre-eclampsia?
Aspirin (from week 12)
Who should be offered prophylaxis for pre-eclampsia?
Women with one high risk factor, or multiple moderate risk factors
What are the symptoms of pre-eclampsia?
Visual disturbances
Headache
Nausea and vomiting
Epigastric pain
Oedema
Reduced urine output
Brisk reflexes
What is the diagnosis criteria for pre-eclampsia?
Hypertension (over 140 systolic or 90 diastolic)
PLUS any of:
- Proteinuria
- Evidence of end organ damage
- Placental dysfunction
What are the indicators of organ dysfunction in pre-eclampsia?
Raised liver enzymes
Thrombocytopenia
Raised creatinine
Seizures
Haemolytic anaemia
What test can be used to rule out pre-eclampsia?
Placental growth factor
- Tested for in women suspected of pre-eclampsia between 20 and 35 weeks
- Levels will be low in pre-eclampsia
What tests are used to monitor pre-eclampsia?
Blood pressure
Symptom monitoring
Urine dipstick
Ultrasound monitoring of fetus
What is the management of gestational hypertension?
Aim for BP 135/85
Admission for BP 160/110
Urine dipstick testing weekly
Bloods weekly
PlGF testing on one occasion
Serial fetal growth scans