Correlation between Severity of Intervertebral Disc Herniation and Electrodiagnostic Findings in the S1 Radiculopathy
Journal of the Korean Academy of Rehabilitation Medicine
; : 194-199, 2008.
Article
em Ko
| WPRIM
| ID: wpr-723960
Biblioteca responsável:
WPRO
ABSTRACT
OBJECTIVE: To compare the results of electrodiagnostic studies with the severity of disc herniation, measured digitally by picture archiving and communication system (PACS) from the images of magnetic resonance imaging (MRI). METHOD: MRI images were reviewed from thirty two patients who were diagnosed electrodiagnostically as unilateral S1 radiculopathy. Areas of herniated disc and spinal canal were measured and the ratio of disc herniation was calculated from the axial images stored and analyzed by PACS. The radiologic measurements were compared with the results of electrodiagnostic studies. RESULTS: The presence of abnormal spontaneous activities in needle EMG and no response in H reflex were associated with larger disc herniation (p<0.05). There was no other single electrodiagnostic study that showed correlation with any of radiologic measurements. With increasing number of abnormal electrodiagnostic tests, area of disc herniation grew larger (p<0.05). Area of spinal canal and the ratio of disc herniation did not show difference between normal and abnormal groups in most of electrodiagnostic studies. CONCLUSION: There were limited correlations between electrodiagnostic results and severity of disc herniation. The size of disc herniation, regardless of the size of spinal canal, was associated with abnormal results of electrodiagnostic tests.
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Texto completo:
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Índice:
WPRIM
Assunto principal:
Radiculopatia
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Canal Medular
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Imageamento por Ressonância Magnética
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Eletromiografia
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Reflexo H
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Disco Intervertebral
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Deslocamento do Disco Intervertebral
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Agulhas
Tipo de estudo:
Diagnostic_studies
Limite:
Humans
Idioma:
Ko
Revista:
Journal of the Korean Academy of Rehabilitation Medicine
Ano de publicação:
2008
Tipo de documento:
Article