Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Régis, J; Rey, M; Bartolomei, F; Vladyka, V; Liscak, R; Schröttner, O; Pendl, G.
Gamma knife surgery in mesial temporal lobe epilepsy: a prospective multicenter study.
EPILEPSIA 2004 45: 504-515.
Doi: 10.1111/j.0013-9580.2004.07903.x
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- Schroettner Oskar
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- Abstract:
- PURPOSE: This article is the first prospective documentation of the efficacy and safety of gamma knife surgery (GKS) in the treatment of drug-resistant epilepsies of mesial temporal lobe origin. METHODS: From July 1996 to March 2000, three European centers selected 21 patients with mesial temporal lobe epilepsy (MTLE) for a temporal lobectomy. The preoperative investigations included video-EEG with foramen ovale electrodes, magnetic resonance imaging, neuropsychological testing, and the ESI-55 quality-of-life questionnaire. In place of a cortectomy, radiosurgical treatment was performed by using the Leksell Gamma Knife (LGK) at a dose of 24 +/- 1 Gy at the margin. The target included the anterior parahippocampal cortex and the basal and lateral part of the amygdala and anterior hippocampus (head and body). One patient (a heavy smoker) died of a myocardial infarction. Twenty patients were available for prospective evaluation. A minimum 2-year follow-up period included clinical, neuropsychological, and radiologic evaluations. RESULTS: At each 6-month follow-up evaluation, the frequency of seizures was significantly smaller than that at the previous visit. The median seizure frequency of 6.16 the month before treatment was reduced to 0.33 at 2 years after treatment. At 2 years, 65% of the patients (13 of 20) were seizure free. Five patients had transient side effects, including depression, headache, nausea, vomiting, and imbalance. There was no permanent neurological deficit reported except nine visual field deficits. No neuropsychological deterioration was observed 2 years after treatment. The quality of life was significantly better than that before surgery. CONCLUSIONS: The safety and efficacy of the radiosurgical treatment of MTLEs appears good in this group of patient over short-to-middle term. Delay of the seizure cessation was the major disadvantage of GKS. A longer follow-up period is required for confirmation of these results.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Anterior Temporal Lobectomy - methods
- Comparative Study - methods
- Electroencephalography - statistics and numerical data
- Epilepsy, Temporal Lobe - diagnosis
- Female - diagnosis
- Follow-Up Studies - diagnosis
- Health Status - diagnosis
- Hippocampus - pathology
- Humans - pathology
- Magnetic Resonance Imaging - pathology
- Male - pathology
- Middle Aged - pathology
- Neuropsychological Tests - pathology
- Prospective Studies - pathology
- Quality of Life - pathology
- Radiosurgery - methods
- Research Support, Non-U.S. Gov't - methods
- Sclerosing Solutions - methods
- Temporal Lobe - surgery
- Treatment Outcome - surgery
- Find related publications in this database (Keywords)
- epilepsy
- temporal lobe
- hippocampal sclerosis
- radiosurgery
- entorhinal cortex