J Am Vet Med Assoc
Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada.
Published: June 2011
Objective: To prospectively assess whether multiple-site disk fenestration decreases the incidence of recurrent thoracolumbar intervertebral disk herniation (IVDH), compared with single-site disk fenestration, in small-breed dogs treated for IVDH.
Design: Randomized controlled clinical trial.
Animals: 207 client-owned dogs.
Procedures: Dogs undergoing decompressive surgery of the spinal cord because of thoracolumbar IVDH between 2001 and 2004 were randomly assigned to receive single-site disk fenestration at the level of surgical decompression (n = 103) or multiple-site disk fenestration of all disks from T11 through L4 (104). Follow-up consisted of complete reevaluation of patients, telephone surveys, and further surgery if signs indicative of recurrence occurred.
Results: 189 dogs were available for long-term follow-up: 95 dogs in the single-site disk fenestration group and 94 in the multiple-site disk fenestration group. Twenty-four dogs developed 28 confirmed episodes of recurrent thoracolumbar IVDH. The rate for first-time recurrence was 12.7% (24/189). First-time recurrence rates for single-and multiple-site disk fenestration groups were 17.89% (17/95) and 7.45% (7/94), respectively. Dogs undergoing single-site disk fenestration were significantly more likely to have recurrent thoracolumbar IVDH than were dogs undergoing multiple-site disk fenestration. Disk mineralization at the time of first surgery was associated with recurrence, and 87.5% (21/24) of recurrences occurred at a disk space adjacent to or 1 disk away from the initial lesion. Regardless of disk fenestration group, 22 of 24 (91.7%) recurrences occurred at a nonfenestrated disk space.
Conclusions And Clinical Relevance: Multiple-site disk fenestration decreased the rate of recurrent IVDH in small-breed dogs, compared with the use of single-site disk fenestration.
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http://dx.doi.org/10.2460/javma.238.12.1593 | DOI Listing |
Front Vet Sci
May 2024
Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania.
Two medium-sized, 7-year-old dogs, with no previous history of pain, presented with acute neurologic symptoms consistent with intervertebral disk disease. Both cases had CT, where cervical pathology was identified. In one dog, the diagnosis was singular extensive cervical disk herniation with possible epidural hemorrhage and in the other, the diagnosis was multiple-site cervical disk herniation.
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February 2024
Department of Ophthalmology, Shanghai Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address:
Am J Vet Res
January 2024
Surgical and Orthopaedic Research Laboratories, Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia.
Objective: Compare 3 methods of nucleus pulposus (NP) volume measurement using the rabbit lumbar spines as a preclinical model to determine the effectiveness of prophylactic intervertebral disk fenestration in dogs.
Animals: Twelve 9-month-old, skeletally mature female entire New Zealand White rabbits weighing between 3.5 to 4.
Clin Spine Surg
April 2024
Department of Neurosurgery, University of Health Sciences, Bagcilar Training and Research Hospital, Istanbul, Turkey.
Study Design: Retrospective clinical study.
Objectives: We aimed to investigate preoperative spinopelvic mismatch as a risk factor for recurrent lumbar disk herniation (RLDH) in patients undergoing lumbar disk herniation (LDH) surgery.
Summary Of Background Data: Spinopelvic parameters have been associated with lumbar degenerative diseases, particularly LDH.
Vet Comp Orthop Traumatol
November 2023
Northwest Veterinary Specialists, Delamere House, Ashville Point, Sutton Weaver, Runcorn, United Kingdom.
Objective: The aim of this study was to determine the influence of time between the beginning of clinical signs, presentation and decompression, and combinations of several factors on the outcome and recovery of dogs undergoing surgery for thoracolumbar intervertebral disk extrusion (IVDE).
Study Design: In all, 433 client-owned dogs treated for IVDE between 2016 and 2020 were reviewed for signalment, neurological grade, rate of onset, duration of clinical signs, and surgical variables. Time from presentation to surgery was divided into three categories: S1 (0-12 hours), S2 (12-24 hours), and S3 (>24 hours).
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