[Preliminary assessment of HMRS clinical usefulness in children with partial epilepsy]
Marek Kaciński1, Anna Zajac, Sławomir Kroczka
1Klinika Neurologii Dzieciecej, Collegium Medicum, Uniwersytetu Jagiellońskiego, Kraków. neupedkr@cm-uj.krakow.pl
Insights
Magnetic resonance spectroscopy (HMRS) shows diagnostic value in pediatric partial epilepsy, particularly when MRI is normal. HMRS findings correlate better with EEG/videoEEG than MRI, aiding diagnosis in challenging cases.
Area of Science:
- Pediatric Neurology
- Neuroimaging
- Epileptology
Background:
- Partial epilepsy in children requires sensitive diagnostic tools.
- Current diagnostic methods for pediatric partial epilepsy have limitations.
Purpose of the Study:
- To evaluate the clinical utility of magnetic resonance spectroscopy (HMRS) for diagnosing partial epilepsy in children.
- To analyze the relationship between HMRS findings and various epilepsy-related factors.
- To assess the compatibility of HMRS with MRI and EEG/videoEEG.
Main Methods:
- A study involving 140 children with partial epilepsy.
- Analysis of HMRS results in relation to clinical data, risk factors, and imaging findings.
- Statistical analysis using T-Student, Mann-Whitney, and Fisher tests.
Main Results:
- HMRS was positive in 15 out of 16 cases where it was performed.
- No significant correlation was found between HMRS findings and congenital or acquired risk factors.
- HMRS showed positive correlation with MRI and EEG/videoEEG, proving valuable in cases with normal or localized MRI changes.
Conclusions:
- HMRS findings align more closely with EEG/videoEEG results than with MRI.
- HMRS is recommended for children with partial epilepsy, especially when MRI reveals no changes.
Introduction:
More sensitive and specific diagnostic methods in partial epilepsy in children are still searched.
Aim Of Study:
The aim of this study was to assess clinical value of magnetic resonance spectroscopy (HMRS) in diagnostics of partial epilepsy in children. The relation between HMRS data and congenital and acquired risk factors of partial epilepsy, age of onset and clinical assessment of patients were analyzed. The compatibility of HMRS, MRI and EEG/videoEEG results were assessed.
Materials And Methods:
The study group consisted of 140 children with partial epilepsy hospitalized between 1998 and 2004 in Department of Pediatric Neurology, JagieIlonian University in Kraków. Different factors related to HMRS results, such as age, pregnancy and birth period factors, familiar epilepsy, patient's risk factors for appearance of epilepsy, acquired risk factors of epilepsy, results of neurological examination, type of epilepsy, status epilepticus, and signs associated with epileptic attacks were analyzed. HMRS examinations were performed by SVS PRESS technique. T-Student, Mann-Whithney and Fisher statistical tests were used.
Results:
HMRS was performed in 16/140 children, and in 15/16 cases its results were positive. HMRS imaging was normal in 1 child with normal MRI imaging. There were no significant correlation between HMRS findings and pregnancy birth and acquired epileptogenic factors and results of neurological examination of children. Positive correlation between HMRS imaging and MRI and EEG/videoEEG results was revealed. Important diagnostic value of HMRS in partial epilepsy without changes in MRI and with localized changes in EEG was documented.
Conclusions:
HMRS results were more compatible with EEG/ videoEEG findings than with MR imaging. It is important to perform HMRS in children with partial epilepsy and without any MRI changes.

