Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Shekar N Kurpad"'
Publikováno v:
Magn Reson Imaging
In the traumatically injured spinal cord, decreased perfusion is believed to contribute to secondary tissue damage beyond the primary mechanical impact, and restoration of perfusion is believed to be a promising therapeutic target. However, methods t
Autor:
Marjorie C. Wang, Brian D. Schmit, Aditya Vedantam, Matthew D. Budde, Shekar N. Kurpad, Olesya Motovylyak, Avinash Rao, Mayank Kaushal, Hesham Soliman
Publikováno v:
Neurosurgery. 83:753-760
Fractional anisotropy (FA) of the high cervical cord correlates with upper limb function in acute cervical cord injury. We investigated the correlation between preoperative FA at the level of maximal compression and functional recovery in a group of
Autor:
Aditya Vedantam, Brian D. Schmit, Marjorie C. Wang, Michael B. Jirjis, Avinash Rao, Gerald Eckardt, Shekar N. Kurpad
Publikováno v:
World Neurosurgery. 97:489-494
Objective To determine if spinal cord diffusion tensor imaging indexes correlate with short-term clinical outcome in patients undergoing elective cervical spine surgery for cervical spondylotic myelopathy (CSM). Methods A prospective consecutive coho
Autor:
Eric M. Massicotte, James S. Harrop, James W. Middleton, Michael G. Fehlings, Katherine Palmieri, Mark R. N. Kotter, Andrea C. Skelly, Ralph J. Marino, Eve C. Tsai, Hiroaki Nakashima, Narihito Nagoshi, Jefferson R. Wilson, Allan R. Martin, Gregory W.J. Hawryluk, Albert Yee, Langston T. Holly, Susan Howley, Joseph R. Dettori, Bizhan Aarabi, Anthony S. Burns, Paul A. Anderson, Alexander R. Vaccaro, Sukhvinder Kalsi-Ryan, Tara Jeji, Shekar N. Kurpad, Paul M. Arnold, Kazuhiro Chiba, Julio C. Furlan, Darrel S. Brodke, Geno J. Merli, Lindsay Tetreault, Anoushka Singh
Publikováno v:
Global Spine Journal
Objective: To develop recommendations on the timing of surgical decompression in patients with traumatic spinal cord injury (SCI) and central cord syndrome. Methods: A systematic review of the literature was conducted to address key relevant question
Publikováno v:
World Neurosurgery. 83:824-828
Objective Fractional anisotropy (FA) of the high cervical cord (C1-C2), rostral to the injury site, correlates with upper limb function in patients with chronic cervical spinal cord injury (SCI). In acute cervical SCI, this relationship has not been
Autor:
Brian D. Schmit, John L. Ulmer, Marjorie C. Wang, Aditya Vedantam, Michael B. Jirjis, Shekar N. Kurpad
Publikováno v:
Neurosurgery. 74:1-8
Diffusion tensor imaging (DTI) provides a measure of the directional diffusion of water molecules in tissues. The measurement of DTI indexes within the spinal cord provides a quantitative assessment of neural damage in various spinal cord pathologies
Autor:
Marjorie C. Wang, Aditya Vedantam, John L. Ulmer, Shekar N. Kurpad, Michael B. Jirjis, Brian D. Schmit
Publikováno v:
Journal of Magnetic Resonance Imaging. 38:861-867
Purpose To characterize diffusion tensor imaging (DTI) metrics across all levels of the cervical spinal cord (CSC) and to study the impact of age and signal quality on these metrics. Materials and Methods DTI metrics were calculated for gray matter (
Publikováno v:
Journal of Magnetic Resonance Imaging. 28:1068-1079
Purpose To characterize DTI metric changes throughout the length of the entire spinal cord from the acute through chronic stages of spinal cord injury (SCI). Materials and Methods Ex vivo DTI was performed at 9.4 Tesla to examine changes in water dif
Publikováno v:
Journal of Visualized Experiments : JoVE
Magnetic resonance imaging (MRI) is the state of the art approach for assessing the status of the spinal cord noninvasively, and can be used as a diagnostic and prognostic tool in cases of disease or injury. Diffusion weighted imaging (DWI), is sensi
Autor:
Shekar N. Kurpad, Marjorie C. Wang, John L. Ulmer, Matthew D. Budde, Aditya Vedantam, Michael B. Jirjis, Brian D. Schmit
Publikováno v:
Spinal Cord. 50:928-930
Case report. To demonstrate the utility of diffusion tensor imaging and tractography in two patients with Brown-Sequard syndrome after penetrating cervical cord injury. Milwaukee, WI, USA. Two patients, who presented with features of Brown-Sequard sy