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Introduction of Disc Material into the Vertebral Canal by Fenestration of Thoracolumbar Discs Following Decompressive Surgery.
Vet Comp Orthop Traumatol. 2020 Jan; 33(1):66-70.VC

Abstract

OBJECTIVE

Intervertebral disc extrusion is a common disease affecting chondrodystrophic dogs. It has been reported that fenestration of thoracolumbar intervertebral discs reduces recurrence of disc extrusion and is associated with a low complication rate. One complication reported is iatrogenic introduction of disc material into the canal directly following fenestration. This study aimed to ascertain if, and at what frequency, additional disc material may be introduced into the vertebral canal by fenestration of the affected disc following decompressive surgery.

STUDY DESIGN

Twenty-one dogs that underwent hemilaminectomy and disc fenestration for the treatment of thoracolumbar intervertebral disc extrusion had intraoperative assessment of the vertebral canal before and after fenestration. The spinal cord was first decompressed by hemilaminectomy and removal of all visible extruded disc material within the vertebral canal. Once no further material was visible, manual fenestration of the affected disc was performed. The vertebral canal was re-inspected, and the presence or absence of additional material was noted and included in the surgery report.

RESULTS

Seven dogs showed the presence of new disc material in the vertebral canal post fenestration.This preliminary study shows that additional disc material can be forced into the vertebral canal by fenestration following decompressive surgery, with a frequency of 7/21.

CONCLUSION

This illustrates the importance of checking the vertebral canal after fenestration of an extruded intervertebral disc.

Authors+Show Affiliations

Department of Clinical Veterinary Medicine, Queens Veterinary School Hospital, University of Cambridge, Madingley Road, Cambridge, United Kingdom.Department of Clinical Veterinary Medicine, Queens Veterinary School Hospital, University of Cambridge, Madingley Road, Cambridge, United Kingdom.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31756749

Citation

Harris, Georgina, and Paul Freeman. "Introduction of Disc Material Into the Vertebral Canal By Fenestration of Thoracolumbar Discs Following Decompressive Surgery." Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T, vol. 33, no. 1, 2020, pp. 66-70.
Harris G, Freeman P. Introduction of Disc Material into the Vertebral Canal by Fenestration of Thoracolumbar Discs Following Decompressive Surgery. Vet Comp Orthop Traumatol. 2020;33(1):66-70.
Harris, G., & Freeman, P. (2020). Introduction of Disc Material into the Vertebral Canal by Fenestration of Thoracolumbar Discs Following Decompressive Surgery. Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T, 33(1), 66-70. https://doi.org/10.1055/s-0039-1700554
Harris G, Freeman P. Introduction of Disc Material Into the Vertebral Canal By Fenestration of Thoracolumbar Discs Following Decompressive Surgery. Vet Comp Orthop Traumatol. 2020;33(1):66-70. PubMed PMID: 31756749.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Introduction of Disc Material into the Vertebral Canal by Fenestration of Thoracolumbar Discs Following Decompressive Surgery. AU - Harris,Georgina, AU - Freeman,Paul, Y1 - 2019/11/22/ PY - 2019/11/23/pubmed PY - 2020/10/21/medline PY - 2019/11/23/entrez SP - 66 EP - 70 JF - Veterinary and comparative orthopaedics and traumatology : V.C.O.T JO - Vet Comp Orthop Traumatol VL - 33 IS - 1 N2 - OBJECTIVE: Intervertebral disc extrusion is a common disease affecting chondrodystrophic dogs. It has been reported that fenestration of thoracolumbar intervertebral discs reduces recurrence of disc extrusion and is associated with a low complication rate. One complication reported is iatrogenic introduction of disc material into the canal directly following fenestration. This study aimed to ascertain if, and at what frequency, additional disc material may be introduced into the vertebral canal by fenestration of the affected disc following decompressive surgery. STUDY DESIGN: Twenty-one dogs that underwent hemilaminectomy and disc fenestration for the treatment of thoracolumbar intervertebral disc extrusion had intraoperative assessment of the vertebral canal before and after fenestration. The spinal cord was first decompressed by hemilaminectomy and removal of all visible extruded disc material within the vertebral canal. Once no further material was visible, manual fenestration of the affected disc was performed. The vertebral canal was re-inspected, and the presence or absence of additional material was noted and included in the surgery report. RESULTS: Seven dogs showed the presence of new disc material in the vertebral canal post fenestration.This preliminary study shows that additional disc material can be forced into the vertebral canal by fenestration following decompressive surgery, with a frequency of 7/21. CONCLUSION: This illustrates the importance of checking the vertebral canal after fenestration of an extruded intervertebral disc. SN - 2567-6911 UR - https://www.unboundmedicine.com/medline/citation/31756749/Introduction_of_Disc_Material_into_the_Vertebral_Canal_by_Fenestration_of_Thoracolumbar_Discs_Following_Decompressive_Surgery_ L2 - http://www.thieme-connect.com/DOI/DOI?10.1055/s-0039-1700554 DB - PRIME DP - Unbound Medicine ER -