Electroencephalogram findings in 10 patients with post-stroke epilepsy: A retrospective study

Table 1 Clinical date of 10 post-stroke epilepsy patients

Case	Sex/age (yr)	Type of stroke	Location of stroke	Type of seizure	Time between the first seizure and stroke	Background EEG	Interictal EEG
Case 1	Male/62	CH	Right basal ganglia	Focal to bilateral tonic-clonic (motor)	1 yr	4-7 Hz slow waves in the right anterior head	High amplitude sharp waves in the left temporal lobe
Case 2	Male/58	CH	Right frontotemporal lobe	Generalized clonic (motor)	7 yr	9-10 Hz α rhythm, low amplitude in the right temporal lobe	Medium-low amplitude sharp waves and sharp-wave complex in lead F7 and T3, especially F7
Case 3	Male/71	CH	Right basal ganglia	Focal to bilateral tonic-clonic (motor)	16 yr	Slow waves in all the right leads	Epileptic waves in the left anterior head
Case 4	Female/64	CH	Right basal ganglia	Focal onset (nonmotor)	2 d	Slow waves in the right temporal lobe	Paroxysmal sharp waves in the left temporal lobe
Case 5	Female/64	CH	Right frontoparietal lobe	Focal to bilateral tonic-clonic (motor)	5 mo	9-10 Hz α rhythm	Bilateral sharp waves and sharp-wave complex, especially left
Case 6	Male/54	CI	Right basal ganglia and temporoparietal lobe	Focal to bilateral tonic-clonic (motor)	2 yr	10-11 Hz α rhythm	Medium-high amplitude sharp waves in the left temporal lobe
Case 7	Male/58	CI	Left corona radiata and centrum semiovale	Focal to bilateral tonic-clonic (motor)	5 yr	Low voltage in all the left leads	Low amplitude sharp-wave complex in lead Fp2, F4, F8
Case 8	Male/59	CI	Left cerebral hemisphere	Focal onset (nonmotor)	8 mo	Slow waves in lead O1, low voltage in all the left leads	Sharp wave and sharp-wave complex in lead Fp2, F4, C4, Cz
Case 9	Female/58	CI	Right frontal lobe and corpus callosum	Focal to bilateral tonic-clonic (motor)	3 h	Slow waves in the right anterior head	Asynchronous sharp waves in the bilateral anterior head
Case 10	Male/61	CI	Right frontal temporal parietal lobe	Focal to bilateral tonic-clonic (motor)	8 mo	Slow waves in lead O2	Medium-high amplitude sharp waves in the left anterior head

EEG: Electroencephalogram; CH: Cerebral hemorrhage; CI: Cerebral infarction.