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Neurology (Expert Forum)
Post - ATL EEG
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Post - ATL EEG
by georgiecok, Jan 20, 2005 12:00AM
An year back, my wife (38 years) underwent ATL+AH for left Mesial
Temporal Sclerosis and is free of seizures and auras ever since.
Before surgery she was on 1000 mg Tegretol XR + 30 mg Frisium per day. At 3 months from surgery, after taking an EEG, they initiated a slow tapering of Frisium (in steps of 5 mg every two months) and a month from now, she'll be on mono-therapy.
A month back, she had an EEG as part of her one year post-op follow-up. The report reads as under :
--- QUOTE ---
"EEG shows mild degree of focal non-specific distubance of electrical function over left temporal region. No epileptiform abnormalities were seen.
Recording with the patient awake showed a background activity of 9 Hz over posterior head region, symmetric and synchronous, attenuating to eye opening and mental alerting. Intermittent medium amplitude polymorphic theta slowing was seen over left temporal region. In addition breach rhythm also was noted over the same area. Hyperventilation and photic stimulation did not produce any abnormality. Inspite of premedication with chloral hydrate, patient did not sleep during the recording.
EKG - 72/min, NSR"
--- UNQUOTE ---
My question is whether the points observed like polymorphic theta
slowing, breach rhythm etc are of concern ? (It may be noted that her ATL was done with intra-operative ECoG and the report reads as follows - "pre-resection : rare IEDs from superior and inferior temporal gyrus, moderate IEDS from sub temporal region and hippocampus; post resection : total abolition of IEDs").
Thanks in advance
Temporal Sclerosis and is free of seizures and auras ever since.
Before surgery she was on 1000 mg Tegretol XR + 30 mg Frisium per day. At 3 months from surgery, after taking an EEG, they initiated a slow tapering of Frisium (in steps of 5 mg every two months) and a month from now, she'll be on mono-therapy.
A month back, she had an EEG as part of her one year post-op follow-up. The report reads as under :
--- QUOTE ---
"EEG shows mild degree of focal non-specific distubance of electrical function over left temporal region. No epileptiform abnormalities were seen.
Recording with the patient awake showed a background activity of 9 Hz over posterior head region, symmetric and synchronous, attenuating to eye opening and mental alerting. Intermittent medium amplitude polymorphic theta slowing was seen over left temporal region. In addition breach rhythm also was noted over the same area. Hyperventilation and photic stimulation did not produce any abnormality. Inspite of premedication with chloral hydrate, patient did not sleep during the recording.
EKG - 72/min, NSR"
--- UNQUOTE ---
My question is whether the points observed like polymorphic theta
slowing, breach rhythm etc are of concern ? (It may be noted that her ATL was done with intra-operative ECoG and the report reads as follows - "pre-resection : rare IEDs from superior and inferior temporal gyrus, moderate IEDS from sub temporal region and hippocampus; post resection : total abolition of IEDs").
Thanks in advance
Doctor's Answer
by CCF-Neuro-M.D.-CS, Jan 20, 2005 12:00AM
Although I cannot confirm the report without looking at the EEG, the report if correct is just consistent with her having surgery in that area. A breech rhythm is just due to the incision in the bone they did at surgery, and is expected. Good news that there are no spikes after surgery on the Ecog and EEG
Congratulations so far!
Congratulations so far!
Thanks in advance