Posttraumatic seizures and epilepsy Flashcards
most common type of seizure seen in post-traumatic seizures
simple partial seizures
how long should medications be given after TBI for prophylaxis of PTS?
only during the first week post-injury
which anticonvulsant can cause fulminant hepatitis
valproic acid
what should you expect if patient has seizures within 24 hours of injury
intracerebral hemorrhage
which 2 anticonvulsants are used to stabilize agitation and psychotic behavior?
carbamazepine and valproic acid
3 First line medications used for treatment of PTS
Carbamazepine, Valproic Acid and Levetiracetam
what is the difference between simple and complex partial seizures
simple = no loss of consciousness complex = loss of consciousness
it is reasonable to stop antiepileptic drugs after how long of a seizure free period?
2 years
which anticonvulsant can cause gingival hyperplasia
phenytoin
at what point do you start therapeutic anticonvulsant medications
once late seizures occur
what are the 2 types of partial seizures
simple partial and complex partial
What lab can be ordered to confirm true seizure activity
prolactin - increased prolactin level confirms seizure activity
immediate vs early vs late post-traumatic seizures
immediate = < 24h after injury early = <1 week after injury late = >1 week after injury
what are some 6 risk factors for post-traumatic seizures?
- Bilateral parietal contusions
- Penetrating injury
- Intracranial hematoma
- Depressed skull fracture
- Early seizure
- Prolonged coma
What 2 medications are used for prophylaxis of PTS after TBI?
phenytoin and valproic acid
which anticonvulsant can cause agranulocytosis
carbamazepine
what is the highest risk factor for late post-traumatic seizures?
bilateral parietal contusion
how long after injury do most post-traumatic seizures occur?
1-3 months after injury
which 2 anticonvulsants are used to treat neuralgia
carbamazepine and phenytoin
which anticonvulsant can cause hemorrhage in newborns whose mothers took this drug
phenobarbital
why is phenobarbital not commonly used as first line agent for treatment of PTS
cognitive impairment