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Veterinary Sciences
Volume 8
Issue 10
10.3390/vetsci8100241
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Article

Microendoscopic Mini-Hemilaminectomy and Discectomy in Acute Thoracolumbar Disc Extrusion Dogs: A Pilot Study

by
Hiroaki Kamishina
1,2,3,*,
Yukiko Nakano
3,
Yuta Nozue
3,
Kohei Nakata
3,
Shintaro Kimura
2,3,
Adam G. Drury
4 and
Sadatoshi Maeda
1,2,3
1
Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
2
The United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
3
The Animal Medical Center, Gifu University, Gifu 501-1193, Japan
4
Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, 205 Duck Pond Drive, Blacksburg, VA 24061, USA
*
Author to whom correspondence should be addressed.
Vet. Sci. 2021, 8(10), 241; https://doi.org/10.3390/vetsci8100241
Submission received: 2 September 2021 / Revised: 13 October 2021 / Accepted: 15 October 2021 / Published: 18 October 2021
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Abstract

The objective of this study was to evaluate the clinical outcomes and complications of a microendoscopic laminectomy and discectomy (MED) for acute thoracolumbar intervertebral disc extrusions in dogs. Eleven client-owned dogs with acute thoracolumbar intervertebral disc extrusions were included in this retrospective case-series. Dogs were diagnosed with acute thoracolumbar intervertebral disc extrusions using computed tomography (CT) and magnetic resonance imaging (MRI). MED was performed with an integrated endoscopic system to the affected intervertebral disc. Surgery time, intra-operative complications, causes of conversion to microscopic surgery if necessary, post-operative complications, and neurological status on presentation at discharge, as well as any further evaluations in hospital, and long-term concerns via owner contact, were recorded. Post-operative CT images were obtained to compare the extent of laminectomy performed to the planned region of laminectomy. The fully endoscopic procedure was completed in eight dogs without major complications. Three cases were converted to an open surgery due to difficulty removing extruded disc material and controlling hemorrhage. The clinical outcome was good in all cases and equivalent to previously reported prognoses after open surgery. MED is an effective and safe alternative to conventional open procedures in dogs with acute thoracolumbar intervertebral disc extrusion.
Keywords: endoscope; minimally invasive surgery; intervertebral disc extrusion; dog; microendoscopic laminectomy and discectomy endoscope; minimally invasive surgery; intervertebral disc extrusion; dog; microendoscopic laminectomy and discectomy

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MDPI and ACS Style

Kamishina, H.; Nakano, Y.; Nozue, Y.; Nakata, K.; Kimura, S.; Drury, A.G.; Maeda, S. Microendoscopic Mini-Hemilaminectomy and Discectomy in Acute Thoracolumbar Disc Extrusion Dogs: A Pilot Study. Vet. Sci. 2021, 8, 241. https://doi.org/10.3390/vetsci8100241

AMA Style

Kamishina H, Nakano Y, Nozue Y, Nakata K, Kimura S, Drury AG, Maeda S. Microendoscopic Mini-Hemilaminectomy and Discectomy in Acute Thoracolumbar Disc Extrusion Dogs: A Pilot Study. Veterinary Sciences. 2021; 8(10):241. https://doi.org/10.3390/vetsci8100241

Chicago/Turabian Style

Kamishina, Hiroaki, Yukiko Nakano, Yuta Nozue, Kohei Nakata, Shintaro Kimura, Adam G. Drury, and Sadatoshi Maeda. 2021. "Microendoscopic Mini-Hemilaminectomy and Discectomy in Acute Thoracolumbar Disc Extrusion Dogs: A Pilot Study" Veterinary Sciences 8, no. 10: 241. https://doi.org/10.3390/vetsci8100241

APA Style

Kamishina, H., Nakano, Y., Nozue, Y., Nakata, K., Kimura, S., Drury, A. G., & Maeda, S. (2021). Microendoscopic Mini-Hemilaminectomy and Discectomy in Acute Thoracolumbar Disc Extrusion Dogs: A Pilot Study. Veterinary Sciences, 8(10), 241. https://doi.org/10.3390/vetsci8100241

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