OB exam 2-S4 Flashcards
What disease is a multi-system inflammatory disease. Hyperactivity of antibody producing B cells and defects of the helper and suppressor T cells.
Triggered by viruses and bacteria.
- Flares occur mostly in 2nd and 3rd trimesters and in the puerperium.
-Women with this have 2-4 fold increase in overall pregnancy complications: HTN, renal disease, preeclampsia, anemia.
Treated with DMARDS, Hydroxychloroquine, Corticosteroids and NSAIDS.
Systemic Lupus Erythematosus (SLE)
What drug can patients with SLE not have?
Toradol
Pericarditis, pleural effusions, valve disorder and pulmonary HTN are associated heavily with which disorder?
SLE
Which antibodies are tested for due to the ability to cause misscarriage?
Antiphospholipid antibodies
This is also known as Hughes Syndrome, it is an autoimmune prothrombotic disorder with the presence of aPL, aCL, and aB2GPI?
Antiphospholipid syndrome (APS)
What 2 things are associated with both arterial and venous thrombotic events?
aPL and aCL
lupus anticoagulant and anticardiolipin antibodies
How is Antiphospholipid Syndrome (APS) diagnosed?
Unexplained recurrent venous or arterial thrombosis, pregnany loss, and evidence of aCL or aPL.
Pregnant women with APS are at risk for what?
DVT, PE, MI, cerebral infarction and fetal loss.
What drug will help treat thrombocytopenia in women with APS?
Prednisone therapy
What is characterized by small vessel occlusions of various organs (thrombotic microangiopathy) and can cause intrauterine fetal death?
Catastrophic Antiphospholipid Syndrome (cAPS) or Asherson’s syndrome
Antiphospholipid Syndrome (APS) treatment involves the use of what drugs?
Thromboprophylaxis with low dose aspirin and heparin
or
Full anticoagulation with unfractionated heparin or LMWH for patients with history of APS with thrombosis
T/F
In the absence of underlying coagulation deficit, A prolonged PTT does not suggest a bleeding tendency and neuraxial is safe?
True
T/F
Aspirin is a contraindication to neuraxial?
False
A spinal or epidural should wait __ hours after the last dose of Unfractionated heparin?
4 hours
A spinal or epidural should wait __ hours after last dose of LMWH for prophylaxis?
(Low dose)
12 hours
A spinal or epidural should wait __ hours after last dose of LMWH for therapeutic?
(High dose)
24 hours
What can be used to document the clearance of heparin?
TEG
T/F
General anesthesia can cause a higher risk of venous thrombosis in pregnant moms with APS?
True
NYHA Classification of Heart failure
-NO limitations of physical activity?
Class 1
NYHA Classification of Heart failure
-Mild limitations of physical activity, regular activity causes symptoms?
Class 2
NYHA Classification of Heart failure
-Marked limitations of physical activity, no symptoms at rest, minimal activity causes symptoms?
Class 3
NYHA Classification of Heart failure
- Symptoms at rest?
Class 4
Cardiac Risk Prediction
- Class I?
No increase or mild increase in morbidity
Cardiac Risk Prediction
- Class II?
Small increase in maternal mortality,
- Arrhythmias
- Marfan
- Repaired tetralogy of Fallot
Cardiac Risk Prediction
- Class III?
Significant increase in maternal mortality
-Mechanical valves
- Complex congenital heart disease
-Marfan
Cardiac Risk Prediction
- Class IV?
Pregnancy is not recommended
- Severe aortic or mitral stenosis
- Pulmonary artery HTN
Treatment of SVT during pregnancy?
Stable- Vagal, Adenosine
Unstable- Synchronized Cardioversion
This disease is poorly tolerated in pregnancy.
-36% mortality
-Associated with IUGR, fetal loss and preterm delivery.
-Increased CV demands of pregnancy which can not be met?
Pulmonary HTN
Which drug do we avoid giving to mothers with Pulmonary HTN?
Methergine
WHO Group __? Pulmonary HTN
- Idiopathic PAH
- Heritable PAH
- Drug and Toxin induced
- Associated with HIV, connective tissue disorder, portal HTN.
Group 1 PAH
WHO Group __? Pulmonary HTN
- Associated with left ventricular systolic or diastolic dysfunction, left sided valve disease.
Group 2 due to left heart disease
WHO Group __? Pulmonary HTN
- Associated with COPD, lung diseases
Group 3 due to lung disease/hypoxia
WHO Group __? Pulmonary HTN
-Chronic
Group 4
WHO Group __? Pulmonary HTN
- Includes systemic diseases, hematologic disorders, chronic renal, chronic anemia
Group 5 with unclear or multifactorial
CO increases how much with pregnancy?
30-50%
SVR decreases how much with pregnancy?
-10%
Pulmonary artery pressure greater than___ indicates pulmonary artery hypertension?
> 25mmHg
Which syndrome is a subclass to PAH and occurs in patient with congenital heart disease who suffer from anatomic systemic to pulmonary shunt?
Eisenmenger syndrome
The hypoxemia and cyanosis associated with Eisenmenger syndrome occurs from which shunt?
Right to left shunt
Management of which syndrome includes ?
-diuretics to manage volume control
- Dobutamine to improve RVF
- Inhaled Nitric Oxide to dilate pulmonary vasculature
- Chronic anticoagulation to prevent thromboembolism (LMWH)
Eisenmenger syndrome
Which delivery form is preferred in patients with Eisenmenger syndrome?
Cesarean delivery @ 34-36 weeks
Vaginal delivery is contraindicated in mothers with Eisenmenger syndrome due to what?
Valsava could lead to rapid CV collapse and pain/anxiety can greatly affect SNS
Maintain adequate SVR
Maintain intravascular volume
Avoidance of aortocaval compression
Prevent pain
Avoid myocardial depression
Slow titrate of locals
all are what?
Goals of treatment
This congenital heart disease is associated with ?
-Right ventricular overload leading to pulmonary HTN and Eisenmenger syndrome
- SVT/ Ventricular arrhythmias
- Pre-eclampsia, fetal demise, Small gestational age
Atrial Septal Defect
This congenital heart disease is associated with ?
- Pregnancy is tolerated with repaired defect or small defect in absence of Pulm HTN
- Unrepaired defect has high risk of maternal cardiac complications
- Preeclampsia is seen more frequently in those with unrepaired defect
Ventricular Septal Defect
This congenital heart disease is associated with ?
-Pregnancy well tolerated
- Left to right shunt may cause Pulm HTN
-Pregnancy not recommended if associated with Eisenmenger syndrome
Patient Ductus Arteriosus (PDA)
What heart condition is most commonly caused by congenital bicuspid aortic valve?
-symptoms include dyspnea on exertion, chest pain and syncope.
- General anesthesia is gold standard
Aortic Stenosis
Patients with aortic stenosis need what for induction?
Etomidate
A-line
Chronic Aortic Regurgitation is caused by what?
Degenerated bicuspid aortic valve
Acute Aortic Regurgitation is caused by what?
Endocarditis
What is okay to maintain in mothers with Aortic Regurgitation?
Slightly elevated Heart Rate
This heart condition is caused by Rhematic disease, can become symptomatic during pregnancy.
- May lead to pulmonary edema due to increased blood volume and decreased diastolic filling
- Systemic anticoagulation is recommended during pregnancy and postpartum
Mitral stenosis
A pregnant mother with Mitral stenosis cannot have this medication?
Hemabate due to increase in PVR
This condition is associated with-
- Biventricular failure with orthopnea
- Dyspnea on exertion, palpitations, chest pain
- Unknown cause during the last month of pregnancy or within 5 months of delivery ?
Peripartum Cardiomyopathy