Browse Guides  internal medicine  neurology

Stroke

Prevalence
Clinical features
Investigations
Therapy
Prevention
Prognosis
Prognosis

Seizures

The risk of early seziures is increased with: 

  • a cortical involvement b
  • an acute agitated confusional state b
  • an anterior hemisphere infarct b
Why?

Early seizures are more likely with an acute agitated confusional state or cortical involvement

Patient Prognostic Factor Outcome CER OR
(95% CI)
NNF+
(95% CI)
first stroke a cortical involvement independent seizures
at 48 hours
0.25% 6.01
(2.54 to 14.2)
81 (31 to 261)
  acute agitated confusional state independent   2.1% 4.44
(1.43 to 13.8)
15 (5 to 113)
first ischaemic stroke a anterior hemisphere infarct independent early seizures
at 1 week
2.0% 4.00
(1.20 to 13.7)
18 (5 to 250)
 

Expiry date: October 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   G  Donnan
CAT Writers   CJ   Wotton , N   Shenker , CM   Ball