Loukas Astrakas NMR Surgical Laboratory, Department of Surgery, Shriners Children’s Boston Massachusetts General Hospital Biography Publications Institution JoVE Articles Loukas Astrakas has not added a biography. If you are Loukas Astrakas and would like to personalize this page please email our Author Liaison for assistance. Publications The Severity of Sensorimotor Tracts Degeneration May Predict Motor Performance in Chronic Stroke Patients, While Brain Structural Network Dysfunction May Not Frontiers in Neurology. 2022 | Pubmed ID: 35432180 Peak Activation Shifts in the Sensorimotor Cortex of Chronic Stroke Patients Following Robot-assisted Rehabilitation Therapy The Open Neuroimaging Journal. 2021 | Pubmed ID: 34434290 Improving Motor Function After Chronic Stroke by Interactive Gaming with a Redesigned MR-compatible Hand Training Device Experimental and Therapeutic Medicine. Mar, 2021 | Pubmed ID: 33603853 A Preliminary Study of the Biochemical Environment of Infertile Testes with Clinical Varicocele European Journal of Radiology. Jun, 2020 | Pubmed ID: 32334371 EEG Window Length Evaluation for the Detection of Alzheimer's Disease over Different Brain Regions Brain Sciences. Apr, 2019 | Pubmed ID: 31013964 Magnetic Resonance Diffusion Tensor Imaging of the Testis: Preliminary Observations European Journal of Radiology. Oct, 2017 | Pubmed ID: 28987678 Diffusion-weighted Magnetic Resonance Imaging in the Characterization of Testicular Germ Cell Neoplasms: Effect of ROI Methods on Apparent Diffusion Coefficient Values and Interobserver Variability European Journal of Radiology. Apr, 2017 | Pubmed ID: 28267523 Key Concepts in MR Spectroscopy and Practical Approaches to Gaining Biochemical Information in Children Pediatric Radiology. Jun, 2016 | Pubmed ID: 27233787 Magnetization Transfer Imaging of Normal and Abnormal Testis: Preliminary Results European Radiology. Mar, 2016 | Pubmed ID: 26065397 Apparent Diffusion Coefficient Values and Dynamic Contrast Enhancement Patterns in Differentiating Seminomas from Nonseminomatous Testicular Neoplasms European Journal of Radiology. Jul, 2015 | Pubmed ID: 25937261 The Role of Apparent Diffusion Coefficient Values in Detecting Testicular Intraepithelial Neoplasia: Preliminary Results European Journal of Radiology. May, 2015 | Pubmed ID: 25765895 Diffusion Tensor and Volumetric Magnetic Resonance Imaging Using an MR-compatible Hand-induced Robotic Device Suggests Training-induced Neuroplasticity in Patients with Chronic Stroke International Journal of Molecular Medicine. Nov, 2013 | Pubmed ID: 23982596 FMRI As a Molecular Imaging Procedure for the Functional Reorganization of Motor Systems in Chronic Stroke Molecular Medicine Reports. Sep, 2013 | Pubmed ID: 23900349 Functional MRI Using Robotic MRI Compatible Devices for Monitoring Rehabilitation from Chronic Stroke in the Molecular Medicine Era (Review) International Journal of Molecular Medicine. Jun, 2012 | Pubmed ID: 22426741 Combining Magnetic Resonance Spectroscopy and Molecular Genomics Offers Better Accuracy in Brain Tumor Typing and Prediction of Survival Than Either Methodology Alone International Journal of Oncology. Apr, 2011 | Pubmed ID: 21274507 In Vivo High-resolution Magic Angle Spinning Magnetic Resonance Spectroscopy of Drosophila Melanogaster at 14.1 T Shows Trauma in Aging and in Innate Immune-deficiency is Linked to Reduced Insulin Signaling International Journal of Molecular Medicine. Aug, 2010 | Pubmed ID: 20596596 Shifting from Region of Interest (ROI) to Voxel-based Analysis in Human Brain Mapping Pediatric Radiology. Dec, 2010 | Pubmed ID: 20464386 Connectivity Alterations Assessed by Combining FMRI and MR-compatible Hand Robots in Chronic Stroke NeuroImage. Aug, 2009 | Pubmed ID: 19286464 Functional MRI of Rehabilitation in Chronic Stroke Patients Using Novel MR-Compatible Hand Robots The Open Neuroimaging Journal. 2008 | Pubmed ID: 19526075 Molecular Classification of Brain Tumor Biopsies Using Solid-state Magic Angle Spinning Proton Magnetic Resonance Spectroscopy and Robust Classifiers International Journal of Oncology. Nov, 2008 | Pubmed ID: 18949365 Murine Intramyocellular Lipids Quantified by NMR Act As Metabolic Biomarkers in Burn Trauma International Journal of Molecular Medicine. Jun, 2008 | Pubmed ID: 18506378 Reduced Rate of Adenosine Triphosphate Synthesis by in Vivo 31P Nuclear Magnetic Resonance Spectroscopy and Downregulation of PGC-1beta in Distal Skeletal Muscle Following Burn International Journal of Molecular Medicine. Feb, 2008 | Pubmed ID: 18204786 Combination of High-resolution Magic Angle Spinning Proton Magnetic Resonance Spectroscopy and Microscale Genomics to Type Brain Tumor Biopsies International Journal of Molecular Medicine. Aug, 2007 | Pubmed ID: 17611638 Uncoupling Protein 3 Expression and Intramyocellular Lipid Accumulation by NMR Following Local Burn Trauma International Journal of Molecular Medicine. Dec, 2006 | Pubmed ID: 17089030 FMRI-compatible Rehabilitation Hand Device Journal of Neuroengineering and Rehabilitation. Oct, 2006 | Pubmed ID: 17022828 Proton NMR Spectroscopy Shows Lipids Accumulate in Skeletal Muscle in Response to Burn Trauma-induced Apoptosis FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology. Sep, 2005 | Pubmed ID: 16126910 Burn Injury Causes Mitochondrial Dysfunction in Skeletal Muscle Proceedings of the National Academy of Sciences of the United States of America. Apr, 2005 | Pubmed ID: 15809440 Noninvasive Magnetic Resonance Spectroscopic Imaging Biomarkers to Predict the Clinical Grade of Pediatric Brain Tumors Clinical Cancer Research : an Official Journal of the American Association for Cancer Research. Dec, 2004 | Pubmed ID: 15623597 Spectroscopic and Perfusion Magnetic Resonance Imaging Predictors of Progression in Pediatric Brain Tumors Cancer. Mar, 2004 | Pubmed ID: 15022293 Biochemical Characterization of Pediatric Brain Tumors by Using in Vivo and Ex Vivo Magnetic Resonance Spectroscopy Journal of Neurosurgery. Jun, 2002 | Pubmed ID: 12066902 Neuroimaging in Pediatric Brain Tumors: Gd-DTPA-enhanced, Hemodynamic, and Diffusion MR Imaging Compared with MR Spectroscopic Imaging AJNR. American Journal of Neuroradiology. Feb, 2002 | Pubmed ID: 11847064 Use of a Foot-Induced Digitally Controlled Resistance Device for Functional Magnetic Resonance Imaging Evaluation in Patients with Foot Paresis Mark P. Ottensmeyer1,2, Sabrina Elbach3,4, Loukas Astrakas3,5, Shasha Li2,3,4, A. Aria Tzika2,3,4 1Medical Device & Simulation Laboratory, Department of Radiology, Massachusetts General Hospital, 2Harvard Medical School, Harvard University, 3NMR Surgical Laboratory, Department of Surgery, Shriners Children’s Boston, Massachusetts General Hospital, 4Athinoula A. Martinos Center of Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, 5Medical Physics Laboratory, Faculty of Medicine, University of Ioannina JoVE 64613 Neuroscience
Use of a Foot-Induced Digitally Controlled Resistance Device for Functional Magnetic Resonance Imaging Evaluation in Patients with Foot Paresis Mark P. Ottensmeyer1,2, Sabrina Elbach3,4, Loukas Astrakas3,5, Shasha Li2,3,4, A. Aria Tzika2,3,4 1Medical Device & Simulation Laboratory, Department of Radiology, Massachusetts General Hospital, 2Harvard Medical School, Harvard University, 3NMR Surgical Laboratory, Department of Surgery, Shriners Children’s Boston, Massachusetts General Hospital, 4Athinoula A. Martinos Center of Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, 5Medical Physics Laboratory, Faculty of Medicine, University of Ioannina JoVE 64613 Neuroscience