Comparisonof Motor NCS Parameters with MRI in Degenerative Cervical Spondylosis
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 6
Abstract
Background: Degeneration of cervical spine involving uncovertebral or facet joints are more often radiological findings in patients with cervical spondylosis. Magnetic Resonance Imaging (MRI) which is the gold standard radiological investigation to diagnose and detect grades of degenerative cervical spondylosis reveals only the anatomical structures and delineates extent of soft tissue involvement around the cervical spine. Functional status of the cervical spine and extent of nerve root compression can be unraveled by Nerve Conduction Studies(NCS).Moreover, NCS helps to guidethe treatment for degenerative cervical spondylosis in a modified and individualized manner. Aim: Our focus was to evaluate, compare and correlate motor NCS parameters in different grades of MRI diagnosed degenerative cervical spondylosis, whether they vary significantly according to the different grades of cervical spine degeneration. Setting and Design:Cross- sectional study performed on 55 subjects of clinically and MRI diagnosed degenerative cervical spondylosis attending orthopedics OPD of R. G. KAR Medical College,Kolkata. Materials and Methods:Symptomatic patients diagnosed having cervical spondylosis underwent NCS procedures in the department of Physiology of the same institution. Thereafter Motor NCS parameters were measured for Distal Motor Latency(DML), Compound Muscle Action Potential (CMAP)along with Motor Nerve Conduction Velocity (MNCV) of Median, Ulnar, Radial and CMAP amplitude of Musculocutaneous and Axillary nerves. Values were compared and correlated with different grades of degeneration assessed with MRI and analyzed by using SPSS version 20. Results: Among Motor Nerve Conduction study parameters of respective motor nerves, CMAP amplitude of Median, Radial and Musculocutaneous nerves varied significantly according to different grades of degenerative cervical spondylosis. There was a strong correlation between CMAP amplitude of Median, Radial, Musculocutaneous and Axillary nerves with different grades of degeneration assessed with MRI. Conclusion: Motor NCS parameters especially CMAP amplitude of Median, Radial and Musculocutaneous nerves vary significantly with different grades of cervical spine degeneration, and all these parameters along with CMAP of Axillary nerve strongly correlate with different grades of MRI.Therefore,NCS can help in guidingtreatment modalities in these patients and maythusreduce the cost of care to patients in developing country like India.
Authors and Affiliations
Sumana Gupta, BosumitaSinha (Guchhait), Sunit Hazra, Ashok Kumar Sau, Anilbaran Singhamahapatra
Keywords
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- EP ID EP376550
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