User profiles for L. Astrakas

Loukas G. Astrakas

Medical Physics, University of Ioannina
Verified email at uoi.gr
Cited by 4457

Automated epileptic seizure detection methods: a review study

…, DG Tsalikakis, EC Karvounis, L Astrakas… - Epilepsy-histological …, 2012 - books.google.com
Epilepsy is a neurological disorder with prevalence of about 1-2% of the world’s population (Mormann,
Andrzejak, Elger & Lehnertz, 2007). It is characterized by sudden recurrent and …

[HTML][HTML] MRI evaluation of tissue iron burden in patients with β-thalassaemia major

MI Argyropoulou, L Astrakas - Pediatric radiology, 2007 - Springer
… Serum ferritin has been widely used as a surrogate marker and a target ferritin level of
1,000 μg/l is generally recommended [7, 17]. However, serum ferritin represents only 1% of the …

Machine learning algorithms and statistical approaches for Alzheimer's disease analysis based on resting-state EEG recordings: A systematic review

…, AT Tzallas, N Giannakeas, LG Astrakas… - … journal of neural …, 2021 - World Scientific
Alzheimer’s Disease (AD) is a neurodegenerative disorder and the most common type of
dementia with a great prevalence in western countries. The diagnosis of AD and its …

Voxel-based morphometry and diffusion tensor imaging of the optic pathway in primary open-angle glaucoma: a preliminary study

…, G Kitsos, LC Tzarouchi, L Astrakas… - American Journal …, 2012 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Neuropathologic studies in experimental and human
glaucoma have demonstrated degenerative changes in the optic pathway. The purpose of this …

Noninvasive magnetic resonance spectroscopic imaging biomarkers to predict the clinical grade of pediatric brain tumors

LG Astrakas, D Zurakowski, AA Tzika, MK Zarifi… - Clinical cancer …, 2004 - AACR
… 5 presents ROC curves for each separate biomarker and for their linear combination and
shows that L (AUC = 0.89) discriminates high- from low-grade tumors better than does Cho (…

A robust methodology for classification of epileptic seizures in EEG signals

…, AT Tzallas, N Giannakeas, LG Astrakas… - Health and …, 2019 - Springer
Drug inefficiency in patients with refractory seizures renders epilepsy a life-threatening and
challenging brain disorder and stresses the need for accurate seizure detection and …

Prediction of adverse outcome with cerebral lactate level and apparent diffusion coefficient in infants with perinatal asphyxia

MK Zarifi, LG Astrakas, TY Poussaint, A Plessis… - Radiology, 2002 - pubs.rsna.org
PURPOSE: To compare the predictive value for adverse outcome of quantitative cerebral
lactate level and of apparent diffusion coefficient (ADC) in infants with perinatal asphyxia in the …

Burn injury causes mitochondrial dysfunction in skeletal muscle

KE Padfield, LG Astrakas, Q Zhang… - Proceedings of the …, 2005 - National Acad Sciences
Severe burn trauma is generally followed by a catabolic response that leads to muscle
wasting and weakness affecting skeletal musculature. Here, we perform whole-genome …

Structural destabilization of chignolin under the influence of oscillating electric fields

LG Astrakas, C Gousias, M Tzaphlidou - Journal of Applied Physics, 2012 - pubs.aip.org
The structural response of chignolin to 1 V/nm electric fields of different frequencies has
been studied with molecular dynamics simulations and stochastic modeling. It was found that …

Investigation of unmedicated early onset restless legs syndrome by voxel-based morphometry, T2 relaxometry, and functional MR imaging during the night-time hours

PN Margariti, LG Astrakas, SG Tsouli… - American journal …, 2012 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The pathophysiology of eRLS has not yet been elucidated.
The purpose of the study was to assess, in patients with eRLS, the volume, iron content, …