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Effectiveness of cervical hemilaminectomy in canine Hansen Type I and Type II disc disease: a retrospective study.
J Am Anim Hosp Assoc. 2011 Sep-Oct; 47(5):342-50.JA

Abstract

Medical records of 41 dogs, including 15 small breed dogs (<15 kg) and 26 large breed dogs (>15 kg), with cervical intervertebral disc disease (IVDD) that underwent a hemilaminectomy were reviewed. Dogs were diagnosed using myelography, computed tomography/myelography, or MRI, and dogs were classified as having either Hansen Type I disc extrusion or Hansen Type II disc protrusion located ventrally, ventrolaterally, or laterally within the cervical spinal canal. The most common clinical presentation was ambulatory tetraparesis and/or lameness (44%). The most affected sites for cervical IVDD were between the sixth and seventh cervical vertebrae (C6-C7; 78% of Hansen Type II discs) and C2-C3 (86% of Hansen Type I discs). Treatment was effective in 88% of dogs. Five large breed dogs (12%) did not improve. In dogs with a Hansen Type I disc extrusion, clinical signs improved in 96% of the cases. In dogs with a Hansen Type II disc protrusion, an excellent and good outcome was seen in 47% and 32% of cases, respectively. Outcome was significantly better for small breed dogs and dogs with Hansen Type I disc disease compared with large breed dogs and dogs with Hansen Type II disc disease.

Authors+Show Affiliations

Clinic for Small Animal Surgery/Neurology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21852506

Citation

Schmied, Oliver, et al. "Effectiveness of Cervical Hemilaminectomy in Canine Hansen Type I and Type II Disc Disease: a Retrospective Study." Journal of the American Animal Hospital Association, vol. 47, no. 5, 2011, pp. 342-50.
Schmied O, Golini L, Steffen F. Effectiveness of cervical hemilaminectomy in canine Hansen Type I and Type II disc disease: a retrospective study. J Am Anim Hosp Assoc. 2011;47(5):342-50.
Schmied, O., Golini, L., & Steffen, F. (2011). Effectiveness of cervical hemilaminectomy in canine Hansen Type I and Type II disc disease: a retrospective study. Journal of the American Animal Hospital Association, 47(5), 342-50. https://doi.org/10.5326/JAAHA-MS-5604
Schmied O, Golini L, Steffen F. Effectiveness of Cervical Hemilaminectomy in Canine Hansen Type I and Type II Disc Disease: a Retrospective Study. J Am Anim Hosp Assoc. 2011 Sep-Oct;47(5):342-50. PubMed PMID: 21852506.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effectiveness of cervical hemilaminectomy in canine Hansen Type I and Type II disc disease: a retrospective study. AU - Schmied,Oliver, AU - Golini,Lorenzo, AU - Steffen,Frank, Y1 - 2011/08/18/ PY - 2011/8/20/entrez PY - 2011/8/20/pubmed PY - 2011/12/23/medline SP - 342 EP - 50 JF - Journal of the American Animal Hospital Association JO - J Am Anim Hosp Assoc VL - 47 IS - 5 N2 - Medical records of 41 dogs, including 15 small breed dogs (<15 kg) and 26 large breed dogs (>15 kg), with cervical intervertebral disc disease (IVDD) that underwent a hemilaminectomy were reviewed. Dogs were diagnosed using myelography, computed tomography/myelography, or MRI, and dogs were classified as having either Hansen Type I disc extrusion or Hansen Type II disc protrusion located ventrally, ventrolaterally, or laterally within the cervical spinal canal. The most common clinical presentation was ambulatory tetraparesis and/or lameness (44%). The most affected sites for cervical IVDD were between the sixth and seventh cervical vertebrae (C6-C7; 78% of Hansen Type II discs) and C2-C3 (86% of Hansen Type I discs). Treatment was effective in 88% of dogs. Five large breed dogs (12%) did not improve. In dogs with a Hansen Type I disc extrusion, clinical signs improved in 96% of the cases. In dogs with a Hansen Type II disc protrusion, an excellent and good outcome was seen in 47% and 32% of cases, respectively. Outcome was significantly better for small breed dogs and dogs with Hansen Type I disc disease compared with large breed dogs and dogs with Hansen Type II disc disease. SN - 1547-3317 UR - https://www.unboundmedicine.com/medline/citation/21852506/Effectiveness_of_cervical_hemilaminectomy_in_canine_Hansen_Type_I_and_Type_II_disc_disease:_a_retrospective_study_ L2 - http://jaaha.org/doi/10.5326/JAAHA-MS-5604?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -