Structural integrity of corticospinal tract best predictor for upper limb motor recovery
CAPTION
Stroke Popular Figure
CREDIT
M.Nzarova et al.
USAGE RESTRICTIONS
None
A team of scientists, with the first author from the HSE University, were investigating which factors are the most important for the upper limb motor recovery after a stroke. The study is published in Stroke, the world's leading journal for cerebrovascular pathology.
A stroke occurs when there is a blockage or rupture of a blood vessel feeding the brain. About 400,000 stroke cases are registered in Russia annually. Stroke is a disease, which occurs mostly in older ages but not only, for instance in Russia every 7th stroke happens in young people. Today there are more than 1.5 million people living in Russia who are in need of motor, speech, or cognitive rehabilitation due to stroke. The impairment in the upper limb is the most common and one of the most challenging for rehabilitation.
The extent to which the brain is damaged and movements are impaired after a stroke varies greatly among patients. How effectively a patient will regain his/her functions after a stroke depends both on the severity of the damage and the adequacy of the rehabilitation interventions. Assessment can be conducted using functional and structural approaches of brain imaging.
The published article is dedicated to a study of the relationship between the degree of movement recovery in the upper limb and the structural and functional state of the motor system, assessed using methods of transcranial magnetic stimulation (TMS) and magnetic resonance imaging (MRI). The study included 35 patients of young and middle age (in average 47 years old), who had a stroke more than six months prior to the study. The patients were divided into three groups depending on the level to which they regained movement in their upper limb: good, moderate, and bad.
https://www.ahajournals.org/doi/10.1161/STROKEAHA.119.028832
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