Ante/Perinatal Pharmacology cont. Flashcards
Uterotonics are used for uterine stimulation. What 3 things can they do?
- Cervical ripening
- Induction of contractions
- Control postpartum bleed
What does cervical ripening involve?
Collagen and glycosaminoglycans broken down
=> cervix is thinned and dilated
What is Misoprostol?
PGE1 Analog
How should Misoprostol be stored? How long does it take for onset?
Stable at room temperature
– 30 minutes for onset
What are some maternal adverse effects seen with Misoprostol?
N/V, pain, chills, shivering
- Abnormal uterine contractions
What is a fetal adverse effect that can occur with Misoprostol in response to it causing abnormal uterine contractions?
Hypoxia
Prostaglandin E1 Analog that can terminate pregnancy if within 77 days
Misoprostol
What is Dinoprostone?
PGE2 Analog
How should Dinoprostone be stored? Time to onset?
Needs to be refrigerated
– onset is within minutes
When Dinoprostone is given for abortions, what adverse effect can occur?
Fever that is unresponsive to NSAIDs and lasts for about 6 hours
What is a contraindication for giving Misoprostol or Dinoprostone?
Prior C-section
– can rupture uterine scar!
What is a possible fetal adverse effect that can occur with Dinoprostone?
Hypoxia
– due to abnormal uterine contractions
What drug can cause a fever that is unresponsive to NSAIDs for 6 hours?
Dinoprostone
– seen with abortion
What is Carboprost?
Prostaglandin F2alpha analog
What is Carboprost and how is it given?
Prostaglandin F2alpha Analog
– IM injection
What are 2 contraindications for giving Carboprost?
PID
Active organ disease
What is Oxytocin?
Posterior pituitary hormone
What are 2 contraindications for use of Oxytocin?
If cervix is not ripe
If fetal lungs are not mature
What is a possible maternal adverse effect that can occur with Oxytocin?
Water intoxication (hyponatremia)
If water intoxication occurs, what drug was given to control a postpartum bleed?
Oxytocin
What is a contraindication for Ergot Alkaloids?
HTN