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Kinematic magnetic resonance imaging for evaluation of cervical spondylomyelopathy in dogs

Provencher, Michele
http://orcid.org/0000-0002-2323-7647
http://rave.ohiolink.edu/etdc/view?acc_num=osu1460470566

Abstract Details

2016, Master of Science, Ohio State University, Comparative and Veterinary Medicine.
The pathogenesis of cervical spondylomyelopathy (CSM) is similar to cervical spondylotic myelopathy in humans (hCSM). In patients with hCSM, kinematic MRI (kMRI) is used, which evaluates how flexion and extension of the cervical vertebral column affects spinal cord compression. The purposes of this study were to (1) assess how cervical flexion and extension affect spinal cord compression in Doberman Pinschers and Great Danes with CSM, and (2) evaluate an MRI compatible positioning device that allowed controlled flexion and extension of the cervical vertebral column. Nine Doberman Pinschers with disc-associated CSM (DA-CSM) and 12 dogs with osseous-associated CSM (OA-CSM) were prospectively studied. An MRI was performed with the cervical vertebral column positioned in neutral, traction (DA-CSM only), flexion, and extension. Morphologic and morphometric assessments comparing neutral, flexion and extension were then performed. In dogs with DA-CSM, flexion was associated with improvement or resolution of spinal cord compression and extension caused worsening of compressions. Extension also identified new compressive lesions and was significantly associated with dorsal and ventral compression at C5-C6 (p=0.021) and C6-C7 (p=0.031). In dogs with OA-CSM, extension identified compressions that were not present with standard positioning, especially at C4-C5 (p = 0.02). Neurologic deterioration did not occur in the patient population evaluated here. We concluded that kMRI can be safely performed in dogs with DA-CSM and OA-CSM. Specifically, imaging in extension may reveal sites of spinal cord compression that are not present with standard positioning.
Ronaldo da Costa (Advisor)
156 p.
Veterinary Services

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Citations

  • Provencher, M. (2016). Kinematic magnetic resonance imaging for evaluation of cervical spondylomyelopathy in dogs [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1460470566

    APA Style (7th edition)

  • Provencher, Michele. Kinematic magnetic resonance imaging for evaluation of cervical spondylomyelopathy in dogs. 2016. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1460470566.

    MLA Style (8th edition)

  • Provencher, Michele. "Kinematic magnetic resonance imaging for evaluation of cervical spondylomyelopathy in dogs." Master's thesis, Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1460470566

    Chicago Manual of Style (17th edition)

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This open access ETD is published by The Ohio State University and OhioLINK.