Page 184 - ILAE_Lectures_2015

Table 2. Frontal lobe epilepsy and parasomnia (FLEP) scale.

Clinical feature Score

Age at onset

What age did the patient have their first <55 years 0

event?

>55 years -1

Duration

What is the duration of a typical event? <2 min +1

210 min 0

>10 min -2

Clustering

What is the typical number of events to

occur in a single night? 1 or 2 0

35 +1

>5 +2

Timing

At what time of night do the events most Within 30 minutes of sleep onset +1

commonly occur?

Other times (including if no clear 0

pattern identified)

Symptoms

Are events associated with definite aura? Yes +2

No 0

Does the patient wander outside the

bedroom during the events? Yes -2

No (or uncertain) 0

Does the patient perform complex, directed

behaviours (e.g. picking up objects,

dressing) during event? Yes -2

No (or uncertain) 0

Is there a clear history of prominent

dystonic posturing, tonic limb extension or

cramping during events? Yes +1

No (or uncertain) 0

Stereotypy

Are the events stereotyped or variable in Highly stereotyped +1

nature?

Some variability/uncertain 0

Highly variable -1

Recall

Does the patient recall the events? Yes, lucid recall +1

No or vague recollection only 0

Vocalisation

Does the patient speak during the event and

if so, is there subsequent recollection of No 0

speech?

Yes, sounds only or single words 0

Yes, coherent speech with incomplete

of no recall -2

Yes, coherent speech with recall +2

Total score

Scores: <0 very unlikely to have epilepsy; >3 very likely to have epilepsy; +1 to +3 relatively

high chance of epilepsy and further investigation would be required in these individuals