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33. Intraoperative neurophysiological monitoring of brain perfusion during cardiac surgery in patients with asymptomatic internal carotid stenosis
Asymptomatic internal carotid (ICA) stenosis is one of documented risk factors of perioperative ischemic stroke (IS) in cardiac surgery. There is no strict consensus in benefit of prophylactic carotid endarterectomy (CEA) in asymptomatic ICA stenosis to reduce intraoperative IS. Median somatosensory evoked potentials (SEP) is reliable tool for intraoperative neurophysiological monitoring (IONM) of brain perfusion during CEA.
Source: Clinical Neurophysiology - February 13, 2015 Category: Neuroscience Authors: S. Ostrý, R. Tesařík, M. Leitgeb Source Type: research

Reply to “The effects of functional electrical stimulation on upper extremity function and cortical plasticity in chronic stroke patients”
I appreciate the very important and developed suggestions by Dr. Cecatto for our article (). The proposals on the reasons why EMG-controlled FES (EMG–FES) could shift the brain hemispheric-dominant perfusion in our study provided our study further development and progress. The motor output and corresponding muscle and joint proprioceptive feedback may be tightly coupled and coordinated with movement by EMG–FES. As Dr. Cecatto proposed, these neural reorganisation mechanisms should be explored. The sensory components of large afferent fibre activation, proprioceptive input and increased cognitive sensory attention are a...
Source: Clinical Neurophysiology - February 10, 2014 Category: Neuroscience Authors: Yukihiro Hara Tags: Letters to the Editor Source Type: research

The effects of functional electrical stimulation on upper-extremity function and cortical plasticity in chronic stroke patients
I was pleased to read the study by . ‘The effects of electromyography-controlled functional electrical stimulation on upper extremity function and cortical perfusion in stroke patients’ published in the Clinical Neurophysiology journal.
Source: Clinical Neurophysiology - January 22, 2014 Category: Neuroscience Authors: Rebeca Boltes Cecatto Tags: Letters to the Editor Source Type: research

S4-2. The evaluation of brain function with neuro-rehabilitation modalities in stroke patients
The relation was investigated between functional improvement of hemiparetic arm and change of cortical perfusion (BCP) during voluntary muscle contraction (VOL), EMG-controlled FES (EMG-FES) and simple electrical muscle stimulation (ES) before and after EMG-FES therapy in chronic stroke patients. Sixteen chronic stroke patients with moderate residual hemiparesis underwent 5months of task-orientated EMG-FES therapy of the paretic arm once or twice a week. Before and after treatment, arm function was clinically evaluated and BCP during VOL, ES and EMG-FES were assessed using multi-channel near-infrared spectroscopy. BCP in t...
Source: Clinical Neurophysiology - July 16, 2013 Category: Neuroscience Authors: Yukihiro Hara Tags: Society Proceedings Source Type: research

The effects of electromyography-controlled functional electrical stimulation on upper extremity function and cortical perfusion in stroke patients
Conclusion: The EMG-FES may have more influence on ipsilesional BCP than VOL or ES alone.Significance: The sensory motor integration during EMG-FES therapy might facilitate BCP of the ipsilesional SMC and result in functional improvement of hemiparetic upper extremity.
Source: Clinical Neurophysiology - May 24, 2013 Category: Neuroscience Authors: Yukihiro Hara, Shigeru Obayashi, Kazuhito Tsujiuchi, Yoshihiro Muraoka Tags: Movement, Motor Control and Movement Disorders Source Type: research