View clinical trials related to Consciousness Disorders.
Filter by:Transcranial magnetic stimulation involves the use of alternating magnetic fields to stimulate neurons in the brain.To date, several studies have focused on the use of TMS in patients with impaired consciousness.However,its therapeutic effects have been variously documented.So,in this study ,investigators explore the effects of rTMS with cross-over design.
Limited treatments are available to improve consciousness in severely brain injured patients. Transcranial Direct Current stimulation (tDCS) is one of the few therapeutics that showed evidence of efficacy to increase level of consciousness and functional communication in some minimally conscious state (MCS) patients, and in some vegetative state (VS) patients. However the optimal intensity of electrical current stimulation remains unknown. This study will test the effects of two intensities of tDCS stimulation (either 0.2mA or 2mA) applied on left dorso-lateral prefrontal cortex on both behavior, - assessed by the Coma Recovery Scale-Revised (CRS-R) scores -, as well as quantified EEG recorded during resting state (using algorithms previously designed and published by the investigators) and event-related potentials (using auditory paradigms we previously published) in severely brain damaged patients with disorders of consciousness (MCS, VS, and conscious but cognitively disabled patients) of various etiologies.
Aim of the study is to define if the auditory stimulation during stepping verticalization sessions with "Erigo" is able to modify the cerebral electric activity or improve consciousness in patients affected by vegetative state or minimally conscious state.
This is a study to evaluate the safety and efficacy of the IBRF ACP/MCP intervention protocol in patients with severe disorders of consciousness (SDOC).
Aims:To explore the consciousness stimulation role of DBS (Deep Brain Stimulation) and TMS (Transcranial Magnetic Simulation) for DOC (Disorders of Consciousness) patients. Methods:Seventy-five DOC patients will be randomised into three groups: DBS group, TMS group and Control group. Three months after treatments, the result will be analysed and concluded.
Detecting preserved consciousness in brain-injured patients by traditional clinical means requires presence of motor function. Otherwise, patients may be erroneously classified as being in a vegetative state. In order to circumvent the need for motor function, paradigms using functional magnetic resonance imaging (fMRI) and electroencephalography (EEG) have been developed. According to a recent meta-analysis, 15% of patients with a clinical diagnosis of vegetative state can follow commands by performing mental imaginary tasks, strongly suggesting they are indeed conscious. This is of utmost importance for prognosis, treatment, and resource allocation. However, consciousness paradigms are usually employed in rehabilitation medicine. Therefore, opportunities to optimize patient outcome at an early stage may be lost. As a novel approach, the CONsciousness in NEurocritical Care cohorT study using fMRI and EEG (CONNECT-ME) will import the full range of consciousness paradigms into neurocritical care. The investigators aim to assess patients with acute brain injury for preserved consciousness by serial multimodal evaluations using active, passive and resting state fMRI- and EEG-based paradigms. A prospective longitudinal database and a biobank for genomic and metabolomic research will be established. This approach will add essential clinical information, including detection of preserved consciousness in patients previously thought of as unconscious. Due to its complexity, this project is divided into nine work packages. Eventually, the investigators will have established a clinical service for the systematic assessment of covert consciousness, as well as an interdisciplinary research group dedicated to the neuronal mechanisms by which consciousness recovers after acute brain injury.
Minimally Conscious (MCS) or Vegetative State (VS) are disorders of consciousness which often occur following traumatic brain injury or ischemia. These alterations result most of the time in patients' loss of autonomy and require long years of special care. No efficient therapy to improve patients' consciousness has been found so far. Investigators propose to use vagal nerve stimulation (VNS) to restore cortical activity and patients' embodied self. The investigators' main hypothesis is that VNS will reestablish the thalamo-cortical connectivity leading to an improvement of the consciousness state. To test this hypothesis, investigators will use behavioral measures as well as fMRI, PET scan and EEG to assess brain activity. Patients will be evaluated before and during eight months following implantation of the stimulation device.