Quantitative ultrasound imaging of intrinsic hand muscles after traumatic cervical spinal cord injury

Study design This is a cross-sectional descriptive study. Objectives To quantify differences in hand muscle morphology between persons with cervical spinal cord injury (SCI) and uninjured adults. Setting The study was performed at the Guangdong Work Injury Rehabilitation Hospital. Methods We quantif...

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Bibliographic Details
Published in:Spinal cord 2022-03, Vol.60 (3), p.199-209
Main Authors: Klein, Cliff S., Liu, Hui, Zhao, Chen Ning, Yang, Xinghua
Format: Article
Language:English
Subjects:
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Adult
Anatomy
Atrophy
Biomedical and Life Sciences
Biomedicine
Cervical Cord - diagnostic imaging
Denervation
Electromyography - methods
Hand - diagnostic imaging
Hand - physiology
Human Physiology
Humans
Induced infiltration
Morphology
Muscle, Skeletal - diagnostic imaging
Muscle, Skeletal - physiology
Muscles
Neurochemistry
Neuropsychology
Neurosciences
Paralysis
Rehabilitation
Spinal cord injuries
Spinal Cord Injuries - complications
Spinal Cord Injuries - diagnostic imaging
Thickness
Ultrasonic imaging
Ultrasonography
Ultrasound
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Summary:Study design This is a cross-sectional descriptive study. Objectives To quantify differences in hand muscle morphology between persons with cervical spinal cord injury (SCI) and uninjured adults. Setting The study was performed at the Guangdong Work Injury Rehabilitation Hospital. Methods We quantified hand muscle cross-sectional area (CSA), thickness, and echo intensity (EI) in 18 persons with subacute to chronic SCI and 23 controls using ultrasound imaging. Results Mean SCI abductor pollicis brevis (APB), abductor digiti minimi (ADM), and first dorsal interosseous (FDI) CSA were ~26%, 43%, and 37% smaller than the control means, the deficit in the APB being less than the ADM ( P  
ISSN:1362-4393
1476-5624
DOI:10.1038/s41393-021-00653-1