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Recurrence of thoracolumbar intervertebral disk extrusion in chondrodystrophic dogs after surgical decompression with or without prophylactic fenestration: 265 cases (1995-1999).
J Am Vet Med Assoc. 2004 Jun 01; 224(11):1808-14.JA

Abstract

OBJECTIVES

To evaluate a population of chondrodystrophic dogs treated for Hansen type 1 intervertebral disk (IVD) disease by surgical decompression with or without prophylactic fenestration and determine the rate and location of surgically confirmed recurrence of intervertebral disk extrusion.

ANIMALS

265 dogs.

STUDY DESIGN

Retrospective study.

PROCEDURES

Medical records of dogs that underwent spinal decompression between 1995 and 1999 were reviewed.

RESULTS

3 (4.9%) dogs were euthanatized or died prior to discharge. Fenestration was performed in 252 dogs, including 37 (14.7%) at the site of decompression only, 48 (19%) at 3 to 4 disk spaces, and 167 (66%) at 5 to 7 disk spaces. There were 12 instances of recurrent disk extrusion confirmed by removal of disk at a second surgery 3.5 to 33 months after the first surgery. Recurrence was always at a new disk space, and rates did not significantly differ between dogs that underwent single or multiple fenestrations. Two recurrences were at a previously fenestrated disk space. Seven recurrences were at a site immediately adjacent to a fenestrated disk space, and 5 recurrences were at L4-5.

CONCLUSIONS AND CLINICAL RELEVANCE

Prophylactic fenestration is generally successful in preventing future disk extrusions at fenestrated disk spaces. Prospective evaluation is still required to determine whether fenestration decreases the overall rate of recurrence. Prophylactic fenestration could promote disk extrusion at adjacent, nonfenestrated disk spaces. This could have a substantial clinical impact if recurrence develops at L4-5.

Authors+Show Affiliations

Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada N1G 2W1.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

15198267

Citation

Brisson, Brigitte A., et al. "Recurrence of Thoracolumbar Intervertebral Disk Extrusion in Chondrodystrophic Dogs After Surgical Decompression With or Without Prophylactic Fenestration: 265 Cases (1995-1999)." Journal of the American Veterinary Medical Association, vol. 224, no. 11, 2004, pp. 1808-14.
Brisson BA, Moffatt SL, Swayne SL, et al. Recurrence of thoracolumbar intervertebral disk extrusion in chondrodystrophic dogs after surgical decompression with or without prophylactic fenestration: 265 cases (1995-1999). J Am Vet Med Assoc. 2004;224(11):1808-14.
Brisson, B. A., Moffatt, S. L., Swayne, S. L., & Parent, J. M. (2004). Recurrence of thoracolumbar intervertebral disk extrusion in chondrodystrophic dogs after surgical decompression with or without prophylactic fenestration: 265 cases (1995-1999). Journal of the American Veterinary Medical Association, 224(11), 1808-14.
Brisson BA, et al. Recurrence of Thoracolumbar Intervertebral Disk Extrusion in Chondrodystrophic Dogs After Surgical Decompression With or Without Prophylactic Fenestration: 265 Cases (1995-1999). J Am Vet Med Assoc. 2004 Jun 1;224(11):1808-14. PubMed PMID: 15198267.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Recurrence of thoracolumbar intervertebral disk extrusion in chondrodystrophic dogs after surgical decompression with or without prophylactic fenestration: 265 cases (1995-1999). AU - Brisson,Brigitte A, AU - Moffatt,Shannon L, AU - Swayne,Seanna L, AU - Parent,Joane M, PY - 2004/6/17/pubmed PY - 2004/8/27/medline PY - 2004/6/17/entrez SP - 1808 EP - 14 JF - Journal of the American Veterinary Medical Association JO - J. Am. Vet. Med. Assoc. VL - 224 IS - 11 N2 - OBJECTIVES: To evaluate a population of chondrodystrophic dogs treated for Hansen type 1 intervertebral disk (IVD) disease by surgical decompression with or without prophylactic fenestration and determine the rate and location of surgically confirmed recurrence of intervertebral disk extrusion. ANIMALS: 265 dogs. STUDY DESIGN: Retrospective study. PROCEDURES: Medical records of dogs that underwent spinal decompression between 1995 and 1999 were reviewed. RESULTS: 3 (4.9%) dogs were euthanatized or died prior to discharge. Fenestration was performed in 252 dogs, including 37 (14.7%) at the site of decompression only, 48 (19%) at 3 to 4 disk spaces, and 167 (66%) at 5 to 7 disk spaces. There were 12 instances of recurrent disk extrusion confirmed by removal of disk at a second surgery 3.5 to 33 months after the first surgery. Recurrence was always at a new disk space, and rates did not significantly differ between dogs that underwent single or multiple fenestrations. Two recurrences were at a previously fenestrated disk space. Seven recurrences were at a site immediately adjacent to a fenestrated disk space, and 5 recurrences were at L4-5. CONCLUSIONS AND CLINICAL RELEVANCE: Prophylactic fenestration is generally successful in preventing future disk extrusions at fenestrated disk spaces. Prospective evaluation is still required to determine whether fenestration decreases the overall rate of recurrence. Prophylactic fenestration could promote disk extrusion at adjacent, nonfenestrated disk spaces. This could have a substantial clinical impact if recurrence develops at L4-5. SN - 0003-1488 UR - https://www.unboundmedicine.com/medline/citation/15198267/Recurrence_of_thoracolumbar_intervertebral_disk_extrusion_in_chondrodystrophic_dogs_after_surgical_decompression_with_or_without_prophylactic_fenestration:_265_cases__1995_1999__ L2 - http://avmajournals.avma.org/doi/full/10.2460/javma.2004.224.1808?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -