::INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES::

CODEN : IAJPBB
issn 2349-7750

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TITLE:

AN OBSERVATIONAL STUDY ON EEG FINDINGS IN POST STROKE SEIZURES

AUTHORS:

Talal Zahid, Haider Imtiaz, Ayma Tariq

ABSTRACT:

Objective: Stroke is an important cause of epilepsy, especially in the elderly. We conducted an observational study at a tertiary care Hospital to describe the different EEG results in patients who experienced post-stroke seizures. Place and Duration: In the Medicine and Neurology Unit-II of Jinnah Hospital Lahore for six months duration from February 2020 to July 2020. Methodology: We reviewed all EEGs that were performed for evaluation of seizures after stroke and retrospectively recorded demographic data, side of stroke, type of seizures and EEG findings. All this information was entered on a specially designed proforma. Results: A total of 41 patients with post-stroke seizures were included, which was evaluated and analyzed. Of these patients, 51.2% (n = 21) were male (mean age 60.7 years; range 22-84 years) and 48.8% (n = 20) were female (mean age 63 years; range 3-90) years). The most common seizure semiology was generalized seizure in 56.1% (n = 23), focal seizures in 36.6% (n = 15), and focal with secondary generalization in 7.3% (n = 3) of patients. 51.2% (n = 21) had hemispheric involvement, 26.8% (n = 11) had left hemisphere involvement, and 22% (n = 9) of patients had no side stroke identified. The most common symptom on EEG was generalized slow waves observed in 39.0% (n = 16) of patients. Other found abnormalities were focal slowing in 19.5% (n = 8), focal sharp and slow waves in 9.8% (n = 4), focal spikes and slow waves in 4.9% (n = 2), focal sharp waves in 4.9% (n = 2) of patients. Focal peak waves in 2.4% (n = 1) and PLEDS was found in 2.4% (n = 1) of patients. 17.1% (n = 7) of patients had normal EEG recordings. Conclusions: Generalized seizures and generalized slowing on EEG were the most common symptoms in our patients who experienced post-stroke seizures. The most common epileptic discharges were focal sharp and slow waves observed in 9.8% of patients with post-stroke attacks. Keywords: stroke attacks, EEG, convulsions.