Epilepsy and Women health
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Transcript of Epilepsy and Women health
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Epilepsy and Women health
OlgicaOlgica Laban-GrantLaban-Grant, , MDMD
Northeast Regional Epilepsy Group
NEREG 2010
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Epilepsy in Women Role of hormones in epilepsy Contraception Epilepsy and sexuality Pregnancy and epilepsy Postpartum period and epilepsy Bone health and epilepsy
Epilepsy in adolescence Epilepsy in menopause
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Epilepsy in Women Hormones and Seizures
Female hormones change the excitability of the brain and alter the threshold for seizures
Estrogen –decreases thresholdPorgesteron- increases threshold
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Hormon sensitive seizuresCatamenial epilepsy
In 1/3 of female patients there is substantial relationship between seizures and menstrual cycle.
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Catamenial EpilepsySeizures that tend to cluster in relationship to
menstrual periods
High levels of estrogen Low levels of progesterone Fluid and electrolyte imbalance Psychological Stress Decrease in levels of AEDs
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Catamenial epilepsy
Pattern 1 – just before menstruation (steep decline in progesterone)
Pattern 2 – just before ovulation ~day 14 (steep elevation in estrogen)
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Catamenial epilepsy Pattern 3- in second half of
menstrual cycle Anovulatory cycles (ovulation does
not occur) are more frequent in women with epilepsy
There is no elevation of progesterone
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Epilepsy in Women Catamenial Epilepsy
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Catamenial epilepsy What should you do:
Keep diary of your seizures and menstrual periods
Discuss with your neurologist possibility of catamenial epilepsy
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Catamenial epilepsy Pattern 3- in second half of
menstrual cycle Anovulatory cycles (ovulation does
not occur) are more frequent in women with epilepsy
There is no elevation of progesterone
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Management of Catamenial Seizures
Your doctor may treat you with
Supplementation with reproductive hormones-natural progesterone
Increase in doses of antiseizure medications during particular time of menstrual cycle
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Management of catamenial epilepsy
Cyclic Natural progesterone seems to work
better
Suppressive Depo-provera
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Birth control and epilepsy
Some of the antiseizure medication decrease efficacy of birth control pills and other hormonal birth control
This may result in birth control failure and unplanned pregnancy
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Birth control pills and epilepsy
Antiseizure medications that interfere with birth control are:
Carbamazepine (Tegretol) Phenobarbital Phenytoin (Dilantin) Primidone Rufinamide (Banzel) Topiramate (Topamax) *higher doses Oxcarbazepine (Trileptal) *higher doses
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Contraception AED’s that have no influence on
levels of steroids Gabapentin (Neurontin) Lamotrigine (Lamictal) Levetiracetam (Keppra) Tiagabine (Gabatril) Zonisamide (Zonegran) Pregabalin (Lyrica)
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Lamictal
Does not lower efficacy of oral birth control pills, but oral birth control pill can decrease levels of Lamictal
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Contraception Solutions: Using antiseizure medications
that do not interact with birth control pills
Using alternative birth control methods
Using birth control pills with higher dose of estrogen
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Contraception OCP with higher doses of estrogen (50
micrograms) Depo-Provera - more frequent (6-8 weeks) If breakthrough bleeding
Increase dose of estrogen add barrier method
• Condoms• Cervical diaphragm or cervical cap• Spermacides
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Fertility and Epilepsy
Women with epilepsy have fewer children
Possible explanations: Choice (fear of having child with birth defect) Sexual dysfunction Women with epilepsy have more frequent
anovulatory cycles (cycles where there is no egg released from ovary)
Polycystic Ovary Syndrome (PCOS)
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Polycystic Ovary Syndrome (PCOS) and epilepsy
Definition of syndrome– two out of three of following:
Multiple cysts in ovaries High male hormone levels Excessive facial hair and acne
Other features Obesity Irregular menstrual periods More frequent anovulatory cycles
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Polycystic Ovary Syndrome (PCOS) and epilepsy
Syndrome is twice as common in women with epilepsy
Possible explanations: Seizure activity in brain alters the
production of hormones Valproic acid (depakote) causes
features similar to PCOS
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Epilepsy and sexuality
People with epilepsy (women and men) may have decrease in interest in sex (libido) or difficulties with sexual functioning.
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Sexuality and Epilepsy
Possible causes:
Anxiety about having a seizure during intercourse
Side effect of AED’s Effects of seizures on regions of the
brain involved in sexual function Mood disorders
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Epilepsy and Pregnancy
Over 90% of babies born to women with epilepsy will be healthy.
This number may be higher if pregnancies are planned.
Although low, birth defect rate is still about twice (4-7%) of rate in general population (1.6-3.2%).
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Epilepsy in Women Pregnancy
Discuss before planning pregnancy May need to change AED drug/dosage Folic Acid: start before pregnant Close supervision with neurologist High-risk pregnancy OB is preferred
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Epilepsy in Women Pregnancy
Higher risk is due to:
Seizures Antiseizure medications Genetic
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Epilepsy in Women Pregnancy
What can you do about seizures:
Women who have better control of seizures prior to pregnancy usually have fewer seizures during pregnancy.
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AED’s in pregnancy
More birth defects with: Polypharmacy (two or more AED’s) Higher levels of medications
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Epilepsy in Women Prior to pregnancy
What can you do about antiseizure medications:
Your neurologist/epileptologist will consider: Reducing your medications to single medication
(monotherapy) Changing your medication Decreasing dose of your medication Stopping your medication
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Pregnancy Category
A In human studies, pregnant women used the medicine and their babies did not have any problems related to using the medicine.
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B In humans, there are no good studies. But in animal studies, pregnant animals received the medicine, and the babies did not show any problems related to the medicine. Or In animal studies, pregnant animals received the medicine, and some babies had problems. But in human studies, pregnant women used the medicine and their babies did not have any problems related to using the medicine.
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C In humans, there are no good studies. In animals, pregnant animals treated with the medicine had some babies with problems. Or No animal studies have been done, and there are no good studies in pregnant women. In some situations the medicine may still help the mothers and babies more than it might harm.
Ethosuximide, Felbamate, Gabapentin, Lacosamide, Lamotrigine, Levetiracetam, Oxcarbazepine, Pregabalin, Rufinamide, Tiagabine, Topiramate, Vigabatrin, Zonisamide
D Studies in humans and other reports show that when pregnant women use the medicine, some babies are born with problems related to the medicine. In some situations, the medicine may still help the mother and the baby more than it might harm.
Carbamazepine, Clonazepam, Lorazepam, Phenobarbital, Phenytoin, Primidone, Valium, Valproic acid
X Studies or reports in humans or animals show that mothers using the medicine during pregnancy may have babies with problems related to the medicine. Risks involved in use of the drug in pregnant women clearly outweigh potential benefits.
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Epilepsy & PregnancyAED National Pregnancy Registry
Tracks use of AEDs and pregnancy outcomes
All information confidential Can greatly improve our knowledge
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Epilepsy in WomenPregnancy Registry Resources
Epilepsy Foundation 800 – EFA – 1000 www.efa.org
North American Pregnancy Registry 888 – 233 - 2334
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Epilepsy and PregnancyFetal Risks
Most common major malformations: Neural tube defects Heart abnormalities Orofacial clefts
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Folic acid Folic deficiency is associated with
increase risk of neural tube defects. Aed’s that are linked to folic acid
malabsorbtion/metabolism are Phentoin (Dilantin) Carbamazepine (Tegretol) Barbiturates Valproate (Depakote)
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Prenatal care Take extra folic acid (1-4mg per day)
while trying to conceive Take prenatal vitamins while trying
to conceive. Discuss possibility of genetic
counseling, especially if there is history of birth defects in family.
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Epilepsy in womenPregnancy
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Epilepsy in Women Prenatal Testing
Anatomical ultrasound
Maternal serum alpha-fetoprotein: increased concentration in mom’s blood and amniotic fluid raise suspicion of neural tube defects
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Epilepsy in Women Postpartum issues AED levels may rise – close
monitoring of levels is necessary Sleep deprivation and stress may
increase frequency of seizures Child safety/lifestyle adaptation
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Epilepsy in Women Breastfeeding
Benefits of breastfeeding are felt to outweigh potential risk of continued exposure of neonate and infant to AEDs (AAN and AAP)
Protein bound drugs have low concentrations in breast milk
Observe breastfeeding infant for irritability, poor sleep patterns, or inadequate weight gain
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Epilepsy in adolescence Most seizure disorders are not
altered by onset of puberty Certain types of epilepsy start at
approximate age (JME) or improve (benign rolandic epilepsy, absence epilepsy)
Rapid growth may account for poor seizure control
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Epilepsy in adolescence Menarche (first period)
Discuss hormon sensitive seizures Interactions of AED’s with contraceptive
pills Start folic acid supplementation Discuss planning of pregnancy
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Epilepsy in adolescence Discuss
Choice of medications Substance abuse Sleep deprivation Compliance to medications Driving Sports safety Choice of profession
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Epilepsy and menopause Premature menopause is more
common in WWE Effect on seizure frequency is
unclear as both estrogen and progesterone levels drop
Catamenial epilepsy seems to improve
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Epilepsy and menopause Doses of AED’s may need to be
changed due to changes in metabolism
Polypharmacy due to other medical conditions may affect efficacy of AED’s and seizure
Bone health Hormone replacement therapy
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Epilepsy & Bone health Fractures are more likely in people
with epilepsy due to: Falls due to seizures and due to side
effects of AED’s, and Altered bone density due to certain AE
D ’s
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Epilepsy & Bone health Altered bone density due to AED’s is
associated with: Phenytoin (dilantin) Carbamazepine (tegretol) Barbiturates Valproate (depakote)
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Epilepsy & Bone health
Prevention and therapy >6mo AEDs-exercise, balanced diet, stop smoking,
moderate alcohol, moderate caffeine-calcium and vitamin D supplements-measure Ca, ALP, 25-hydroxy vit D
yearly- Baseline DXA scan
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Epilepsy & Bone health
Refer for possible treatment to endocrinologist if:
- osteopenia/osteoporosis- Abnormal calcium or vit D levels- fracture
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Epilepsy & HRT HRT increases estrogen levels and
may increase seizure frequency – concomitant use of natural progesterone may help
AED’s may affect HRT efficacy
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THANK YOU!
Northeast Regional Epilepsy Groupepilepsygroup.com