Long term video-EEG monitoring findings in children and adolescents with intractable epilepsy

Yasaman Ghazavi--- ,
Ebrahim Asayesh zarchi--- ,
Taher Taheri--- ,
Mahdi Safiabadi--- ,
Elham Rahimian--- ,
Susan Amirsalari---

Abstract


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Introduction:   In spite of appropriate management, seizures are not controlled in10 to 20 percent of epileptic children. If we can find the epileptogenic focus and resect it by surgery, patient may be cured from refractory seizures. Long Term Video-EEG Monitoring (LTM) may give us important information in the preoperative assessment of these patients. We performed this study for the first time in pediatric age group in Iran.

Materials and Methods: In this cross-sectional study, 43 children between 4 to 18 years, with intractable epilepsy who were Referred to Shefa Neuroscience Research Center between 1386_1391, were enrolled to study in order to evaluate their long-term video EEG findings.

Results: Forty-three children were enrolled to this study with mean age of 10.07 years, that 24(65.9%) were boys and 19(44.1%) were girls.

Seven patients with definite epileptogenic zone were advised to perform lesionectomy surgery, in 2 patients there was not any seizure onset focus but corpus callosotomy was advised to control their frequent falling.

 Eight cases were recommended to perform Electrocorticography or invasive EEG monitoring. Twenty-six cases were recommended to adjust medical treatment. In 3 cases there was not any electrical seizure activity during clinical attacks, so discontinuing anti-epileptic drugs were recommended with diagnosis of conditions that mimic epilepsy.

Conclusions:   It is necessary to perform LTM in patients with refractory epilepsy in order to determine their treatment strategy. If there is any doubt about pseudoseizure LTM can help to differentiate epilepsy from conditions that mimic epilepsy.


Keywords


: Long term video-EEG monitoring (LTM), Intractable Epilepsy, Epileptic surgery

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DOI: http://dx.doi.org/10.22037/ijcn.v11i4.12367

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