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KMID : 1031120190090010076
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Journal of Epilepsy Research
2019 Volume.9 No. 1 p.76 ~ p.82
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Successful Treatment of Super-Refractory Status Epilepticus with High-Intensity Electroconvulsive Therapy ? A Case Report and Review of the Current Literature
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Schneegans Hanna
Stetefeld Henning
Dohmen Christian
Onur Oezguer A.
Lehnhardt Fritz-Georg
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Abstract
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Status epilepticus (SE) is a severe neurological condition in which epileptic activity is prolonged or recurring, and the likelihood of spontaneous seizure cessation decreases over time. Evidence on the appropriate treatment regimen in therapy-refractory cases is still sparse. Electroconvulsive therapy (ECT) is known as a last resort treatment for SE due its anticonvulsant properties mediated by an increase in seizure threshold during the course of a treatment series. We examined the effects of ECT in a 61-year-old male patient with new-onset super-refractory SE (SRSE), for whom previous extensive efforts to achieve seizure control had failed. To achieve reliable seizure inductions in ECT concomitantly with an extended anticonvulsant treatment, we established a high-intensity ECT protocol: bitemporal ECT was conducted at a double-dosage setting (200% stimulation energy; equivalent to a mean charge of 1,031 mC) including three seizure stimulations during each treatment session on consecutive days until SRSE termination. After the first course of ECT, temporary seizure cessation was reached but lasted for only several days. A second course of ECT was then initiated, using the identical regimen but followed by tapering sessions every other day. Again, the SRSE terminated and after regaining consciousness the patient could be transferred to an acute rehabilitation facility. SRSE cessation can successfully be achieved by means of high-intensity ECT even after six weeks of prolonged SE and exhausted anticonvulsant pharmacotherapeutic strategies. As controlled clinical trials in the area of SRSE are still lacking, the relative significance of a high-intensity ECT protocol in this clinical setting has yet to be determined.
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KEYWORD
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Status epilepticus, Electroconvulsive therapy, Seizures
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