Magnetic resonance imaging findings in focal-onset status epilepticus
Sarria-Estrada, Silvana ![Identificador ORCID](/img/uab/orcid.ico)
(Universitat Autònoma de Barcelona. Departament de Medicina)
Santamarina, Estevo ![Identificador ORCID](/img/uab/orcid.ico)
(Universitat Autònoma de Barcelona. Departament de Medicina)
Quintana, Manuel ![Identificador ORCID](/img/uab/orcid.ico)
(Universitat Autònoma de Barcelona. Departament de Medicina)
Pareto, Deborah ![Identificador ORCID](/img/uab/orcid.ico)
(Hospital Universitari Vall d'Hebron. Institut de Recerca)
Sueiras, Maria ![Identificador ORCID](/img/uab/orcid.ico)
(Hospital Universitari Vall d'Hebron)
Auger, Cristina ![Identificador ORCID](/img/uab/orcid.ico)
(Hospital Universitari Vall d'Hebron)
Toledo, Manuel
(Hospital Universitari Vall d'Hebron)
Rovira, Alex
(Hospital Universitari Vall d'Hebron. Institut de Recerca)
Fecha: |
2022 |
Resumen: |
Background and purpose: Magnetic resonance imaging (MRI) is commonly used in the diagnostic work-up for status epilepticus (SE). The purpose of this study was to characterize MRI features in SE patients and determine their association with clinical and electroencephalography (EEG) findings. The mid-term consequences of baseline MRI features were also analysed. Methods: This is a prospective study including consecutive patients with SE who underwent brain MRI within 240 h after SE onset. The MRI protocol included T1-weighted (T1WI), T2-weighted (T2W), fluid-attenuated inversion recovery (FLAIR) and diffusion-weighted imaging (DWI) sequences. Follow-up MRI was performed after SE resolution in some patients. Results: Sixty patients (56. 7% men, mean age 58. 3 years) were included. SE-related MRI abnormalities were seen in 31 (51. 7%), manifesting as hyperintensities on T2W/FLAIR imaging (58. 1%) and DWI (74. 2%) sequences. Hippocampal and pulvinar involvement was seen in 58. 0% and 25. 8% of patients, respectively. MRI abnormalities were associated with a longer SE duration (p = 0. 013) and the presence of lateralized periodic discharges (LPDs) on EEG (p < 0. 001). Amongst the 33 follow-up MRIs, nine (27. 3%) showed mesial temporal sclerosis (MTS), which was associated with severe clinical status (p = 0. 031), hippocampal oedema (p = 0. 001) and LPDs (p = 0. 001) at baseline. A poorer clinical outcome was associated with baseline T2W/FLAIR imaging hyperintensities (p = 0. 003). Conclusion: MRI showed abnormalities in more than half of SE patients. A longer SE duration and LPDs on EEG were associated with SE-related MRI abnormalities and the development of MTS. |
Nota: |
Altres ajuts: acords transformatius de la UAB |
Derechos: |
Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. ![Creative Commons](/img/licenses/by-nc.ico) |
Lengua: |
Anglès |
Documento: |
Article ; recerca ; Versió publicada |
Materia: |
Diffusion-weighted imaging ;
Magnetic resonance imaging ;
Seizures ;
Status epilepticus ;
Epilepsy |
Publicado en: |
European Journal of Neurology, Vol. 29 Núm. 1 (january 2022) , p. 3-11, ISSN 1468-1331 |
DOI: 10.1111/ene.15065
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Registro creado el 2022-02-03, última modificación el 2024-06-03