13. Hypertensive Disorders in Pregnancy Flashcards
HTN complicates 12-22% pregnancies, maternal risks include myocardial infarction, death, cerebral vascular accident, pulmonary edema, renal failure, preeclampsia, gestational diabetes, cesarean delivery, fetal complications include fetal growth restriction, preterm birth, placental abruption, still birth, death and ?
congenital anomalies (heart defects, hypospadias, and esophageal atresia)
Elevated BP: 120-129/<80
Stage 1: 130-139/80-89
Stage 2: 140+/90+
What is recognized as 180/120+ with patients needing prompt changes in meds if there are not other indications of problems or immediated hospitalization?
Hypertensive Crisis
Causes of chronic HTN include idiopathic (89%), vascular disorders(reno-vascular), endocrine DOs (DM), renal disorders (diabetic nephropathy), CT disorders like SLE, take pressure after pt is rested for 10 mins, legs uncrossed, back supported, must use and appropriate size?
CUFF one with a length 1.5 times upper arm cirucmference
Chornic HTN eval: r/o disorders, asses for end organ changes: CBC, glucose, CMP, 24 hour urin collection for protein, EKG, echo, asses for fetal well being: US, screening US, growth US monthly after 28 weeks, and antepartum fetal testing to begin at what weeks?
32-34weeks
Mild HTN (less than 160/110) management includes aspirin therpay (81mg) at 12 weeks till delivery, give antiHTN if threshold reached, prenatal visits q 2-4 weeks until 34-36 weeks then weekly, antepartum fetal monirotin and delivery?
39-40 weeks _ TERM
Severe HTN (>160/110) management include anti HTN meds including methyldopa, labetolol, nifedipine**, are all first line, what should be avoided in pregnancies for antiHTN due to increased risk of malformations such as renal dysgenesis, calvarial hypoplasia and FGR?
ACE inhibitors and Angiotensin receptor blockers
Severe HTN (>160/110) management includes close prenatal monitoring, 24 hour urine q trimester, observation for superimposed preeclampsia, fetal surveillance with growth US q 3-4 weeks, NST/BPP, delivery early at?
38 weeks
Gestation DM GDM is HTN without proteinuria after 20 weeks or with 48 hours of preg, resolves 12 weeks postpartum. What is diagnosed via HTN, proteinuria and edema, with symptoms including scotoma, blurred vision, epigastric or RUQ and headache?
Preeclampsia
Preeclampsia risk factors include young or old age, primigravid, multiple gestation, hydatidiform mole, DM, BMI>30, chronic HTN, renal disease, Collagen vascular disease (SLE), Antiphopholipid syndrome, prio hx of Preeclampsia, assisted reproductive technoloy and obstructive ?
sleep apnea
Preeclampsia causes headache due to cerebral edema (headache), may find fibrinoid necrosis, thrombosis, microinfarcts and petechial hem, also causes heart issues (edema)- absence of normal intravascular volume expansion (3rd spacing), reduction in circulating BV, and causes what in lungs?
Pulmonary Edema changing colloid osmotic pressure, capillary endothelial integrity and intravascular hydrostatic vessels (leaking!)
Preeclampsia in the liver causes RUQ due to sinusoidal fibrin deposition in periportal area with surrounding hemorrhage and portal capillary thrombi causing subcapsular hematoma and?***
liver rupture = medical emergency
Preeclampsia in the kidneys causes swelling and ennlargement of glomerular capillary endothelial cells and narrowing of the capillary lumen (proteinuria/edema) and eyes affected causes retinal vasospasm and retinal edema leading to?
Vision changes
Preeclampsia etiology is UNKNOWN - path will tell you some propositions, what do we do with the baby?
DELIVER
Mild Preeclampsia (Preeclampsia without severe features) is BP>140/90 but less than 160/110, asymptomatic and proteinuria is greater than what in 24 hour urine but less than 5gms, or a single specifimen urine protein:creatinine ratio of 0.3?
Proteinuria >300, <5gms
Severe Preeclampsia(Preeclampsia with severe features) includes BP>160/110, proteinuria at least 5gm/hour or 3+ protein, oliguria, renal insufficiency, liver enzymes 2x upper limits, + RUQ pain, pulmonary edema, symptomatic: cerebral or visual disturbances, pulm edema, RUQ pain, elevated liver enzymes and?
thrombocytopenia