Stroke Clinical Trial
Official title:
Analysis of Electrophysiological Markers for Sensorimotor Recovery in Post Stroke Patients
Verified date | May 2020 |
Source | Universidade Federal de Pernambuco |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Healthy individuals, after reading and signing the free and informed consent will be submitted to a single session to obtain the normal neurophysiological measures and thus compare with those obtained in individuals with PD. Healthy and post stroke patients will be submitted to a neurophysiological evaluation through transcranial magnetic stimulation (TMS) and electroencephalography (EEG). The post stroke patients will also performed the evaluation trought the fugl meyer scale.
Status | Completed |
Enrollment | 35 |
Est. completion date | March 3, 2019 |
Est. primary completion date | December 20, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 75 Years |
Eligibility |
Inclusion Criteria: - Post stroke patients • Primary or recurrent, ischemic or hemorrhagic stroke, confirmed by computed tomography or magnetic resonance imaging - Chronic Stroke (> 3 months) - Sensorimotor sequelae in an upper limb due to stroke - Score = 18 at Folstein Mini Mental State Examination Healthy Subjects - Ages: 40 years or greater - Gender: Both - Subjects who do not have self-report of neurological or articular disorder Exclusion Criteria: - Post stroke patients - Prior neurological diseases - Multiple brain lesions - Metal implant in the skull and face - Pacemaker - History of seizures - Epilepsy - Pregnancy - Hemodynamic instability - Traumatic orthopedic injuries of upper limb that compromise the function - Altered medication for less than 3 months or who underwent botulinum toxin for less than 6 months - Performing physical therapy elsewhere during the period of intervention Healthy Subjects - Pregnant women; - Pacemaker; - History of seizures; - Metallic implants in the head; - Patients with clinical evidence of brain injuries; - Chronic pain associated to other diseases; - Use of neuroleptic medications - Individuals with other neurological disorders, postural hypotension, vestibular, visual, cardiovascular or musculoskeletal disorders that affect the performance of the proposed tests. |
Country | Name | City | State |
---|---|---|---|
Brazil | Applied Neuroscience Laboratory | Recife | Pernambuco |
Brazil | Applied Neuroscience Laboratory, Universidade Federal de Pernambuco | Recife | PE |
Lead Sponsor | Collaborator |
---|---|
Universidade Federal de Pernambuco |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | sensory-motor recovery level | Fugl Meyer assesment of paretic upper limb motor function is used to measure motor control recovery. It is a 226 point scoring system that includes the following sessions: range of motion, pain, sensation,motor function of upper and lower limbs, balance, coordination and velocity. We will aplly only two sessions: upper limb motor function and coordination/velocity, these sessions totalize 66 points | baseline | |
Secondary | Cortical excitabilit level | it will be evaluated through single pulse transcranial magnetic stimulation paradigms (Neurosoft, Russia). Initially, rest motor threshold (RMT) will be determined by finding the lowest stimulator output that elicit motor evoked potential (MEP) around 50 µV (TMS Motor Threshold Assessment Tool -MTAT 2.0 - USA). For RMT measure, a figure-eight coil connected to the magnetic stimulator held manually at 45 degrees from the midline, will be placed over the right primary motor cortex of lesioned and non lesioned hemisphere (C3 and/or C4 - 10/20 System). After, motor evoked potential will be evaluet by 20 pulses firing with 120% of RMT | baseline | |
Secondary | level of cortical electrical activity | Patients will perform an assessment of brain activity through the EEG. Initially, patients will be placed seated in a chair at 90cm in front of a computer. Then, the equipment will be assembled, the points according to the 10-20 marking system will be identified: Cz, C3, C4, F3, F4, P3, P4, Fz and Pz. The protocol will follow the sequence of six consecutive moments (1 minute each) to monitor the patient's brain activity through Neuro Spectrum software. |
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