Epilepsy in pregnancy Flashcards
what is considered pre-eclpamisa or pregnancy
first seziure in second half of pregnancy- pre-eclampsia until proven otherwise
how do women with epilepsy seizure risk increase in pregnant
1/3 of pregnant women with epilepsy have an increase in. seziure frequency
how does sodium valporate act as a terotogenic agent 8
neurocognitive impairment
ASD
attention defiict disorders
NTDs
hypospadias
heart defect
craniofacial/skeletal anomalies
developmental delay
how do antiepileptic drugs affect folic acid
decrease availability of serum folate
therefore advised 5mg/day 1mnth prior to conception
how do antiepileptic drugs affect vitamine K
-*how is this manageed
induce fetal hepatic enzyme acitivity-> lower vit K-> neonatal bleeding
*-antenatla vit K administration contraverstial
-KONAKION GIVEN TO ALL NEONATES
affects of pregnancy on epilepsy 4
regarding antiepileptic drugs
-decreased compliance
-decreased aboprtion (N+V)
decreased drug levels
impaired sleep
what needs to be balanced in management of epilepsy in pregnancy
mantain seizure control against minimising tertogenic risk (use of folic acid)
prinicples of management of epilepsy in pregnacy 7
pre-preg counselling
AEd dosage
detailed USS
VIT K
seziures
postnatal
contraception
aspects of prepragncy consuelling for women with epilepsy 2
monotherapy ideal
folate supplementate 1mnth before then until 12wk gestation
asepcts of AED dosage for women with epilepsy
dosage adjusted on clinical grouds
-fetal risks from AED as well as from not taking the drugs
lamotrigine- increase therapy
when does USS take place in women with epilepsy and what is it assessing
detailed USS at 18-22 weeks
-check neural tube, caridac, and craniofacial abnormalites as well as diaphragmatic hernia
which women with epilepsy should receive vit K supplementation and when
oral vit K from 36 weeks in women recieivng enzyme-inducing AED to reduce risk of haemorrhagic disease in newborn
-baby should also be given IM Vit K at birth
managemnt of sezires in pregnancy for women with epilepsy
most selt limitng
ir prolonged five rectal or IV diazepam or IV lorazepam
-may need intubation
postnatal managemnt of women with epilepsy
breast feeding safe as AED levels low for most drug s
contraception adivce ofr women with epilepsy
Some AEDs, carbamaepine, phenytoin etc induce liver enzymes so decrease effectiveness of standard dose contracetopins
choose higher dose oestrogen preparation or alternative form