Vertebral Fracture and Luxation Repair

Hettlich, Bianca Felicitas

doi:10.1002/9781118711545.ch25

Cited by 8 publications

(20 citation statements)

References 12 publications

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“…Entry and exit points were then recorded in all three planes (x, y, z) for both the preoperative and postoperative data as well as the angle deviation between them. Entry and exit deviation values were calculated by using the distance formula = SQRT([X 2 ‐ X 1 ] 2 + [Y 2 ‐ Y 1 ] 2 + [Z 2 ‐ Z 1 ] 2 ) for each location, and then the average was calculated for each category. Angle differences between the cylinders for planned trajectories and postoperative drill void could be compared using the angle calculation tool (within 3‐Matic).…”

Section: Methodsmentioning

confidence: 99%

“…Placing vertebral implants within safe bone corridors can be technically challenging not only because of the vertebral anatomy itself (vertebral body size and shape, exiting nerve roots, surrounding soft tissues including blood vessels) 6 but also because of the possible concurrent disorder affecting the dog (instability or congenital malformation) 7‐9 . Whether intervention is unilateral or bilateral can depend on several considerations such as the implant used, the anatomy, and the required stiffness 2,3 . Although implants have been placed by using a free hand technique for decades, the accuracy and safety of the technique have never been studied.…”

Section: Introductionmentioning

confidence: 99%

“…The standard of care for vertebral body stabilization of the canine thoracolumbar spine includes unilateral and bilateral instrumentation with vertebral body plating, pins, or screws and polymethylmethacrylate. [1][2][3][4][5] Placing vertebral implants within safe bone corridors can be technically challenging not only because of the vertebral anatomy itself (vertebral body size and shape, exiting nerve roots, surrounding soft tissues including blood vessels) 6 but also because of the possible concurrent disorder affecting the dog (instability or congenital malformation). [7][8][9] Whether intervention is unilateral or bilateral can depend on several considerations such as the implant used, the anatomy, and the required stiffness.…”

Section: Introductionmentioning

confidence: 99%

“…[7][8][9] Whether intervention is unilateral or bilateral can depend on several considerations such as the implant used, the anatomy, and the required stiffness. 2,3 Although implants have been placed by using a free hand technique for decades, the accuracy and safety of the technique have never been studied.…”

Section: Introductionmentioning

confidence: 99%

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Accuracy and safety of three‐dimensionally printed animal‐specific drill guides for thoracolumbar vertebral column instrumentation in dogs: Bilateral and unilateral designs

et al. 2020

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Objective: To evaluate the safety and accuracy of a unilateral three-dimensionally printed animal-specific drill guide (3DASDG) design for unilateral stabilization in the thoracolumbar vertebral column of dogs compared to a bilateral design. Study design: Cadaveric study. Sample population: Fifty-two corridors in one canine cadaver. Methods: Two 3DASDG designs with 2 drilling tubes each were created from T8 to L7 vertebrae. Fifty-two corridors were drilled on the right and the left sides by using unilateral and bilateral designs, respectively. Planned and postoperative trajectories (entry point, exit point, angle) were compared to establish the accuracy. Statistical analysis was used for accuracy comparison between designs. Safety was evaluated by using Zdichavsky classification. Results: Unilateral and bilateral drill guide designs were not different for entry point and angle deviations; however, they were different for the exit point deviations. Two corridors breached outside the vertebra. For all guides, mean entry and exit point deviations were less than 1 and 2 mm, respectively. The maximum entry or exit point deviation in both groups was 4.7 mm. The mean angle deviation was <3.5 , and the maximum angle deviation was 9.3. Conclusion: No difference was detected in accuracy of entry points and angle deviations between drill guide designs tested in normal vertebrae. The technique was classified as highly safe. Clinical significance: A unilateral drill guide design may be a safe alternative to bilateral guides for unilateral stabilization of the thoracolumbar vertebral column in dogs.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Accuracy and safety of three‐dimensionally printed animal‐specific drill guides for thoracolumbar vertebral column instrumentation in dogs: Bilateral and unilateral designs

et al. 2020

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“…Although several stabilisation techniques have been reported in dogs and cats following vertebral column fracture or luxation,1–6 there are very few reports about such techniques in pigs other than research animals 7 8. Indeed, pigs are commonly used as a model for congenital spinal deviation such as scoliosis in people 9–11.…”

Section: Discussionmentioning

confidence: 99%

Spinal stabilisation using a polyvinilidine (Lubra) plate in a pot‐bellied pig

Castel

Doré

Fazio

2020

Vet Record Case Reports

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A three-month-old pot-bellied pig presented for acute paraplegia following a presumptive fall. CT examination identified a vertebral subluxation of L1–L2 with a comminuted fracture of the L1 vertebra. Spinal stabilisation was performed with polyvinilidine (Lubra) plates. The pig improved neurologically and regained the ability to walk. Spinal radiographs six weeks following surgery revealed partial failure of the plates in the caudal aspect of the vertebral column and suspected pressure atrophy of spinous processes. Eighteen months later, the plates were piercing through the skin, so they were removed surgically and the pig did well from then on. This case report describes the feasibility of spinal stabilisation in a pot-bellied pig associated with a good outcome, but also reveals potential complications and spinal changes that can be observed after use of polyvinilidine plates in this species.

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A History of Veterinary Neurosurgery: 1900–2000

Sorjonen¹

2023

Advanced Techniques in Canine and Feline Neurosurgery

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Vertebral Fracture and Luxation Repair

Cited by 8 publications

References 12 publications

Accuracy and safety of three‐dimensionally printed animal‐specific drill guides for thoracolumbar vertebral column instrumentation in dogs: Bilateral and unilateral designs

Accuracy and safety of three‐dimensionally printed animal‐specific drill guides for thoracolumbar vertebral column instrumentation in dogs: Bilateral and unilateral designs

Spinal stabilisation using a polyvinilidine (Lubra) plate in a pot‐bellied pig

A History of Veterinary Neurosurgery: 1900–2000

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