So the implication is that myelin is damaged in your stroke so your doctor needs protocols to repair that damage. What are they?
Individuals with higher levels of physical activity after stroke show comparable patterns of myelin to healthy older adults
Neurorehabilitation and Neural Repair (NNR) , Volume 36(6) , Pgs. 381-389.
NARIC Accession Number: J89575. What's this?
ISSN: 1545-9683.
Author(s): Greeley, Brian; Rubino, Cristina; Denyer, Ronan; Chau, Briana; Larssen, Beverley; Lakhani, Bimal; Boyd, Lara.
Publication Year: 2022.
Number of Pages: 9.
Abstract: Study determined whether individuals with higher levels of physical activity (PA) showed lower myelin asymmetry ratios (MARs) after stroke compared to individuals with lower levels of PA. Myelin water fraction was obtained from 5 bilateral motor regions in 22 individuals with chronic stroke and 26 healthy older adults. Activity levels were quantified with wrist accelerometers worn for a period of 72 hours (3 days). Higher and lower PA levels were defined by a cluster analysis within each group. MAR was similar regardless of PA level within the older adult group. Compared to the higher PA stroke group, lower PA stroke participants displayed greater MAR. There was no difference in MAR between the stroke and older adult higher PA groups. Within the lower PA groups, individuals with stroke showed greater MAR compared to the older adults. Arm impairment, lesion volume, age, time since stroke, and preferential arm use were not different between the PA stroke groups, suggesting that motor impairment severity and extent of brain damage did not drive differences in PA. Individuals who have had a stroke and are also physically active display lower MAR (i.e., similar myelin in both hemispheres) in motor regions. High levels of PA may be neuroprotective and mitigate myelin asymmetries once a neurological insult, such as a stroke, occurs. Alternately, it is possible that promoting high levels of PA after a stroke may reduce myelin asymmetries.
Descriptor Terms: EXERCISE, IMAGING, MOTOR SKILLS, OUTCOMES, STROKE.
Can this document be ordered through NARIC's document delivery service*?: Y.
Citation: Greeley, Brian, Rubino, Cristina, Denyer, Ronan, Chau, Briana, Larssen, Beverley, Lakhani, Bimal, Boyd, Lara. (2022). Individuals with higher levels of physical activity after stroke show comparable patterns of myelin to healthy older adults. Neurorehabilitation and Neural Repair (NNR) , 36(6), Pgs. 381-389. Retrieved 9/27/2022, from REHABDATA database.
NARIC Accession Number: J89575. What's this?
ISSN: 1545-9683.
Author(s): Greeley, Brian; Rubino, Cristina; Denyer, Ronan; Chau, Briana; Larssen, Beverley; Lakhani, Bimal; Boyd, Lara.
Publication Year: 2022.
Number of Pages: 9.
Abstract: Study determined whether individuals with higher levels of physical activity (PA) showed lower myelin asymmetry ratios (MARs) after stroke compared to individuals with lower levels of PA. Myelin water fraction was obtained from 5 bilateral motor regions in 22 individuals with chronic stroke and 26 healthy older adults. Activity levels were quantified with wrist accelerometers worn for a period of 72 hours (3 days). Higher and lower PA levels were defined by a cluster analysis within each group. MAR was similar regardless of PA level within the older adult group. Compared to the higher PA stroke group, lower PA stroke participants displayed greater MAR. There was no difference in MAR between the stroke and older adult higher PA groups. Within the lower PA groups, individuals with stroke showed greater MAR compared to the older adults. Arm impairment, lesion volume, age, time since stroke, and preferential arm use were not different between the PA stroke groups, suggesting that motor impairment severity and extent of brain damage did not drive differences in PA. Individuals who have had a stroke and are also physically active display lower MAR (i.e., similar myelin in both hemispheres) in motor regions. High levels of PA may be neuroprotective and mitigate myelin asymmetries once a neurological insult, such as a stroke, occurs. Alternately, it is possible that promoting high levels of PA after a stroke may reduce myelin asymmetries.
Descriptor Terms: EXERCISE, IMAGING, MOTOR SKILLS, OUTCOMES, STROKE.
Can this document be ordered through NARIC's document delivery service*?: Y.
Citation: Greeley, Brian, Rubino, Cristina, Denyer, Ronan, Chau, Briana, Larssen, Beverley, Lakhani, Bimal, Boyd, Lara. (2022). Individuals with higher levels of physical activity after stroke show comparable patterns of myelin to healthy older adults. Neurorehabilitation and Neural Repair (NNR) , 36(6), Pgs. 381-389. Retrieved 9/27/2022, from REHABDATA database.
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