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The role of magnetoencephalography in preoperative localization and postoperative outcome prediction in patients with posterior cortical epilepsy.
Hao, Guiliang; Yan, Hao; Wang, Xueyuan; Gao, Runshi; Xue, Yansong; Zhang, Xiating; Ni, Duanyu; Shu, Wei; Qiao, Liang; He, Liu; Yu, Tao.
Afiliación
  • Hao G; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Yan H; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Wang X; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Gao R; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Xue Y; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Zhang X; Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Ni D; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Shu W; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Qiao L; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • He L; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
  • Yu T; Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
CNS Neurosci Ther ; 30(2): e14602, 2024 02.
Article en En | MEDLINE | ID: mdl-38332652
ABSTRACT

OBJECTIVE:

We aimed to explore the value of magnetoencephalography in the presurgical evaluation of patients with posterior cortex epilepsy.

METHODS:

A total of 39 patients with posterior cortex epilepsy (PCE) and intact magnetoencephalography (MEG) images were reviewed from August 2019 to July 2022. MEG dipole clusters were classified into single clusters, multiple clusters, and scatter dipoles based on tightness criteria. The association of the surgical outcome with MEG dipole classifications was evaluated using Fisher's exact tests.

RESULTS:

Among the 39 cases, there were 24 cases of single clusters (61.5%), nine cases of multiple clusters (23.1%), and six cases of scattered dipoles (15.4%). Patients with single dipole clusters were more likely to become seizure-free. Among single dipole cluster cases (n = 24), complete MEG dipole resection yielded a more favorable surgical outcome than incomplete resection (83.3% vs. 16.7%, p = 0.007). Patients with concordant MRI and MEG findings achieved a significantly more favorable surgical outcome than discordant patients (66.7% vs. 33.3%, p = 0.044), especially in single dipole cluster patients (87.5% vs. 25.0%, p = 0.005).

SIGNIFICANCE:

MEG can provide additional valuable information regarding surgical candidate selection, epileptogenic zone localization, electrode implantation schedule, and final surgical planning in patients with posterior cortex epilepsy.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Magnetoencefalografía / Epilepsia Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: CNS Neurosci Ther Asunto de la revista: NEUROLOGIA / TERAPEUTICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Magnetoencefalografía / Epilepsia Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: CNS Neurosci Ther Asunto de la revista: NEUROLOGIA / TERAPEUTICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido