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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
Published on: July 8, 2025
Post stroke seizures: descriptive study from a tertiary care centre in Pakistan
Bhojo A Khealani1, Sajjad Ali, Shahid M Baig
1Department of Medicine, Aga Khan University Hospital, Karachi.
Insights
Post-stroke seizures occur in 8% of stroke patients, being more common after ischemic stroke. Systemic infections early in the course are linked to recurrent seizures at one year.
Area of Science:
- Neurology
- Stroke Medicine
- Epileptology
Background:
- Post-stroke seizures (PSS) are a significant complication following cerebrovascular events.
- Understanding the incidence, characteristics, and predictors of PSS is crucial for patient management.
Purpose of the Study:
- To investigate the frequency, onset patterns, and outcomes of seizures occurring after stroke in a specific geographic region.
- To identify factors associated with the development and recurrence of post-stroke seizures.
Main Methods:
- A combined retrospective and prospective study design was employed over a three-year period.
- Data from 1548 stroke patients admitted to a tertiary care center were analyzed, including demographic, clinical, and outcome variables.
- Specific focus was placed on patients who developed seizures post-stroke, examining seizure type, timing, and one-year follow-up outcomes.
Main Results:
- The overall incidence of seizures among stroke patients was 8% (117/1548).
- Seizures were more frequent in patients with ischemic stroke (9%) compared to intracerebral hemorrhage (5%).
- Most seizures occurred after 14 days (92%), with generalized seizures being more common (78%) than partial seizures (22%). Systemic infections early in the stroke course were associated with a higher rate of seizure recurrence at one year (40% vs 11%).
Conclusions:
- The frequency of post-stroke seizures in this population aligns with findings from Western literature.
- Ischemic stroke and early systemic infections are significant factors associated with post-stroke seizures and their recurrence.
- Generalized seizures are the predominant type observed in the post-stroke period.
Objective:
To determine the frequency, mode of onset and outcome of post stroke seizures in a local setting.
Methods:
The retrospective (Aug 1999 to July 2001) and prospective (August 2001 to July 2002) data of patients aged 14 years and above, with post stroke seizures was collected from a tertiary care centre in a metropolitan city. The demographic, clinical, radiological, laboratory, neurophysiologic and outcome data was recorded and analyzed.
Results:
During the three year period 1548 patients with stroke were admitted to the hospital. Four hundred thirty one (28%) had intracerebral haemorrhage (ICH) and 1117 (72%) had ischaemic stroke. One hundred seventeen (8%) of the 1548 had seizures. Their mean age was 63 +/- 12 (range; 15-70) years. Fifty-nine (50%) were men and 58 (50%) were women. Twenty of 431(5%) patients with ICH and 97/1117 (9%) with ischaemic stroke, developed seizures. Nine of 117 (8%) developed a seizure within 14 days of stroke and 108/117 (92%) developed seizures after 14 days of stroke. Twenty-six (22%) had partial and 91 (78%) had generalized seizures. Two patients expired early in the course. Twenty four (21%) of these continued to have seizures at one year follow up. Fifteen of 37 (40%) patients who had systemic infections early in the course continued to have seizures at one year as compared to 9/80 (11%) who did not (p = 0.001).
Conclusions:
Frequency of post stroke seizures is the same as reported in western literature. Post stroke seizures are more common in patients with ischaemic stroke. Generalized seizures are more common than partial seizures. Systemic infections early in the course are associated with recurrence of seizures at one year.
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