Morning Report: 11/1/2013

Today’s Morning Report is presented by Dr. Brown!

 

Recommendations for Management of First-time Seizure and Status Epilepticus

1. Are we mandated to report to DMV?

–       no, but other states (CA, DE, NV, NJ, PA) have mandatory reporting laws.

 

2. Which AED’s can you measure blood levels?

–       phenytoin, carbamazepine, phenobarbital, and valproic acid

–       levetiracetam levels cannot be checked in the ED

 

3. What are effective dosing strategies for preventing seizure recurrence in a patient found to have subtherapeutic serum phenytoin level?

–       Level C recommendations:

  • Give IV or oral loading dose of phenytoin
  • Give IV or IM fosphenytoin

–       There are no RCT comparing IV vs. PO loading doses

 

4. How should AED’s be loaded?

–       Phenytoin can be loaded orally if given in appropriate doses (19mg/kg in men and 23mg/kg in women)

–       Fosphenytoin 15-20 PE/KG IV or IM

–       Valproic acid 20mg/kg

–       Levetiracetam, cannot be readily checked, but because of wide therapeutic index, considered safe to give w/o knowing compliance

 

5. Ecclampsia: new onset GCT seizure during pregnancy or up to 4 weeks post partum

–       Mg loading dose of 4-6g over 20 minutes with maintenance infusion of 1-2g/hour

  • If continue to have seizure activity, give benzos

 

6. Trauma: 4% of epilepsy is caused by trauma.  The risk of post-traumatic seizures is directly related to the severity of injury, but is not affected by early use of AED.

 

Status epilepticus: continuous or intermittent seizures for more than 5 minutes without recovery of consciousness

–       after 5 minutes, seizures become:

  • less likely to spontaneously terminate
  • less likely to be controlled by an AED
  • more likely to cause neuronal damage.

–       RSI: give short-acting paralytic to prevent masking ongoing seizure activity

–       Benzodiazepines are first line treatment

  • 2mg IV every 2 minutes x 5 doses (10mg total)

 

Fosphenytoin is second-line treatment (lacks propylene glycol diluent)

–       20mg/kg, another 10mg/kg bolus can be considered

 

*** failure to respond to benzodiazepine and phenytoin defines refractory status epilepticus.  9-30% of status becomes refractory, and mortality jumps to 50%.

mr11012013p1

 

The views expressed on this blog are the author's own and do not reflect the views of their employer. Please read our full disclaimer here. Any references to clinical cases refer to patients treated at a virtual hospital, Janus General Hospital.
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Jay Khadpe MD

Editor in Chief of "The Original Kings of County" Assistant Professor of Emergency Medicine Assistant Residency Director SUNY Downstate / Kings County Hospital

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