Hypertensive Disorders In Pregnancy Dr. Wootton Flashcards
- Chronic HTN
- Gestational HTN
- Preeclampsia
- Eclampsia
- Preexisting , comes 1st half, persists 12 weeks postpartum
- After 20 weeks gestation
- After 20 weeks + proteinuria
- Preeclampsia + new onset seizures
Growth US deon when , Antepartum fetal testing done when in chronic HTN mother
- Every month after 28 weeks
2. 32-34 weeks start
Mild hypertension
- BP is what
- Tx
- What do you do
- Under 160/110
- Start 81mg baby aspirin at 12 weeks
Hypertensive therapy if at 160/110 - Prenatal visit 2-4 weeks until 36 weeks, antepartum monitoring, deliver at 38-39 weeks
Severe HTN
- BP is what
- Tx
- What do you do
- What to avoid **
- Over 160/110
- Give antihypertensive therapy (Methyldopa bad, Labetalol, Nifedipine) and others
- Continue same fetal monitoring every 3-4 weeks with stress tests + , 24hr urine collection every trimester + look for preeclampsia + deliver at 37-39 weeks
- AVOID ACEI + ARBs, = renal dysgenesis, calvarial hypoplasia, fetal growth restriction
Gestational HTN
1. Definition it needs to have
- No preeclampsia features
2. After 20 weeks, or within 48-72 hours after delivery , resolves before 12 weeks postpartum
Preeclampsia
- SX
- DX
- proteinurea, HTN, edema can happen
2. Scotoma, blurred vision, Epigastic and RUQ pain, HA
Risk of preeclampsia
- Age under 20, over 40
- 1st baby
- Multigestation
- DM, obesity BMI over 30, chronic HTN, renal disease
- SLE
- Antiphospholipid syndrome
- AA
- Prior history *, assisted reproductive technology
Brain, heart, lungs in preeclampsia
- Brain = due to cerebral edema HA, fibroid necrosis, thrombosis, microinfarcts, petechiae hemorrhages
- Heart = absence of normal intravascular Blood volume, FALSE ELEVATED Hb AND Hct*
- Lungs = Pulmonary edema not due to heart, colloid osmotic P changes, = LEAKY BVs
Liver, Kidney, eyes in preeclampsia
- Liver : RUQ pain, sinusoidal fibrin deposition in periportal areas with surrounding hemorrhage + Portal cap thrombi(subcapsular hematoma—> Liver rupture) PAIN when GILSONS capsule expands
- Kidney : proteinuria, edema = glomerular cap endothelial cells swell ——> narrowing capillary lumen
- Eyes : retinal vasospasm, retinal edema
Mild preeclampsia (Preeclampsia without severe features) 3 things it needs
- Over 140/90, less then 160/110 at least 4 hours apart
- Proteinuria over 300mg/24hr**, urine Protien : Cr = 0.3mg/dL *
- Asymptomatic
Severe preeclampsia (preeclampsia with severe features)
- BP is over 160/110 2 times and 4 hours apart
- Oligouria (less then 500ml/24hr, serum CR over 1.1 or doubling from baseline **
- Liver Enzymes 2x upper limit, OR Epigastric Pain even after tried tx (RUQ pain)
- Pulm edema
- Low pts (thrombocytopenia )
- HA NOT RELIEVED WITH MEDS
Severe preeclampsia PE findings and labs findings
- Brisk reflex, clones at least 3 per dorsiflextion, edema
2. .high hct, lactate dehydrogenase, AST/ALT, Uric Acid + Low plt
Managing MILD Preeclampsia if under 37 weeks
- Weekly BPP 1 time and NST 2 times (Biophysical profiles, non stress test)
- Fetal US every 3-4 weeks
- Labs + office visit 1 time a week
Managing MILD Preeclampsia if at 37 weeks or over
Begin induction at time of DX,
- if cervix is favorable = induce with pitocen
- Cervix is not favorable = cervical ripening with cervidel
Managing SEVERE Preeclampsia
- Immediate hospitalization
- Deliver if at 34 weeks
- Antihypertensives (Labetalol, Nifedipine)
- Corticosteroids (dexamethasone or beatmethasone) if under 37 weeks to work towards delivery = decrease intracranial hemorrhage and stabilize BVs