![]() ![]() caudal) and initial NS grade and outcomes we hypothesized that caudal cervical extrusion will have worse NS grade and longer time to recovery (5) Longitudinal extension of ventral CSF signal loss on HASTE pulse sequence and NS grade and time to recovery we hypothesized that dogs with longer HASTE CSF attenuation will have higher NS grade and longer time to recovery. The objectives of this study were to investigate the associations between the following parameters: (1) The maximal spinal cord compression ratio (SCCR) as seen on transverse MRI and pre-surgical neurological status (NS) grade we hypothesized that dogs with greater SCCR will have worse pre-surgical NS grade at presentation (2) Pre-surgical NS grade and postoperative recovery we hypothesized that worse pre-surgical NS grade will be associated with longer postoperative recovery time (3) SCCR and postoperative recovery we hypothesized that dogs with higher SCCR will have longer recovery time (4) Location of extrusion (cranial vs. Dogs were re-evaluated systematically at 10 and 30 days after VSD. This retrospective, unblinded, single rater study evaluated images obtained from magnetic resonance imaging (MRI) of dogs with cervical intervertebral disc extrusion before being submitted to ventral slot decompression (VSD). 4School of Veterinary Medicine, Small Animal Surgery Service, Pontifical Catholic University of Paraná (PUCPR), Curitiba, Brazil.3Department of Clinical Sciences and Advanced Medicine, Section of Radiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, United States.2Comparative Ophthalmology Lab (LABOCO), Federal University of Paraná, Curitiba, Brazil.1Neurology Service, Clinivet Veterinary Hospital, Curitiba, Brazil. ![]() Fernando Swiech Bach 1,2 Wilfried Mai 3 Luiz Felipe Silva Weber 1 José Ademar Villanova Junior 4 Leonardo Bianchi de Oliveira 1 Fabiano Montiani-Ferreira 2 * ![]()
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