| PAIL, Martin, Josef HALÁMEK, Pavel DANIEL, Robert KUBA, Ivana TYRLÍKOVÁ, Jan CHRASTINA, Pavel JURÁK, Ivan REKTOR a Milan BRÁZDIL. Intracerebrally recorded high frequency oscillations: Simple visual assessment versus automated detection. Clinical Neurophysiology. Clare: Elsevier Ireland, roč. 124, č. 10, s. 1935-1942. ISSN 1388-2457. doi:10.1016/j.clinph.2013.03.032. 2013. |
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@article{1110042,
author = {Pail, Martin and Halámek, Josef and Daniel, Pavel and Kuba, Robert and Tyrlíková, Ivana and Chrastina, Jan and Jurák, Pavel and Rektor, Ivan and Brázdil, Milan},
article_location = {Clare},
article_number = {10},
doi = {http://dx.doi.org/10.1016/j.clinph.2013.03.032},
keywords = {High frequency oscillations; Spikes; Ripples; Fast ripples; Temporal lobe epilepsy; Extratemporal lobe epilepsy; Seizure onset zone; Epileptogenic zone},
language = {eng},
issn = {1388-2457},
journal = {Clinical Neurophysiology},
title = {Intracerebrally recorded high frequency oscillations: Simple visual assessment versus automated detection},
url = {http://www.sciencedirect.com/science/article/pii/S1388245713003143#},
volume = {124},
year = {2013}
}
TY - JOUR
ID - 1110042
AU - Pail, Martin - Halámek, Josef - Daniel, Pavel - Kuba, Robert - Tyrlíková, Ivana - Chrastina, Jan - Jurák, Pavel - Rektor, Ivan - Brázdil, Milan
PY - 2013
TI - Intracerebrally recorded high frequency oscillations: Simple visual assessment versus automated detection
JF - Clinical Neurophysiology
VL - 124
IS - 10
SP - 1935-1942
EP - 1935-1942
PB - Elsevier Ireland
SN - 13882457
KW - High frequency oscillations
KW - Spikes
KW - Ripples
KW - Fast ripples
KW - Temporal lobe epilepsy
KW - Extratemporal lobe epilepsy
KW - Seizure onset zone
KW - Epileptogenic zone
UR - http://www.sciencedirect.com/science/article/pii/S1388245713003143#
L2 - http://www.sciencedirect.com/science/article/pii/S1388245713003143#
N2 - Objective: We compared the possible contribution (in the detection of seizure onset zone – SOZ) of simple visual assessment of intracerebrally recorded high-frequency oscillations (HFO) with standard automated detection. Methods: We analyzed stereo-EEG (SEEG) recordings from 20 patients with medically intractable partial seizures (10 temporal/10 extratemporal). Independently using simple visual assessment and automated detection of HFO, we identified the depth electrode contacts with maximum occurrences of ripples (R) and fast ripples (FR). The SOZ was determined by independent visual identification in standard SEEG recordings, and the congruence of results from visual versus automated HFO detection was compared. Results: Automated detection of HFO correctly identified the SOZ in 14 (R)/10 (FR) out of 20 subjects; a simple visual assessment of SEEG recordings in the appropriate frequency ranges correctly identified the SOZ in 13 (R)/9 (FR) subjects. Conclusions: Simple visual assessment of SEEG traces and standard automated detection of HFO seem to contribute comparably to the identification of the SOZ in patients with focal epilepsies. When using macroelectrodes in neocortical extratemporal epilepsies, the SOZ might be better determined by the ripple range. Significance: Standard automated detection of HFO enables the evaluation of HFO characteristics in whole data. This detection allows general purpose and objective evaluation, without any bias from the neurophysiologist’s experiences and practice
ER -
PAIL, Martin, Josef HALÁMEK, Pavel DANIEL, Robert KUBA, Ivana TYRLÍKOVÁ, Jan CHRASTINA, Pavel JURÁK, Ivan REKTOR a Milan BRÁZDIL. Intracerebrally recorded high frequency oscillations: Simple visual assessment versus automated detection. \textit{Clinical Neurophysiology}. Clare: Elsevier Ireland, roč.~124, č.~10, s.~1935-1942. ISSN~1388-2457. doi:10.1016/j.clinph.2013.03.032. 2013.
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