Veterinary surgery : VS · 2025
Integrated endoscopic thoracolumbar mini-hemilaminectomy and lateral corpectomy in cadaver dogs.
СтатьяНазвание и аннотация: Перевод в очереди
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Wolfe Megan M, Bartner Lisa R, Monnet Eric, Neal Katherine
Аннотация
OBJECTIVE: To evaluate the feasibility of minimally invasive integrated endoscopic mini-hemilaminectomy and thoracolumbar lateral corpectomy at six intervertebral disc spaces in the canine thoracolumbar vertebral column.
STUDY DESIGN: Experimental, randomized cadaveric study.
ANIMALS: Eight cadaver dogs euthanized for reasons unrelated to this study.
METHODS: Preoperative computed tomography (CT) scans were performed for surgical planning. Using an endoscopic system, mini-hemilaminectomy and thoracolumbar lateral corpectomy were performed from the T11-12 through L3-4 intervertebral disc spaces, with cadavers in sternal recumbency or positioned at a 30°-60° angle. Postoperative CT scans were used to measure corpectomy dimensions as a percentage of total vertebral dimensions.
RESULTS: Median ± interquartile range (IQR) corpectomy dimensions were 23.07% ± 16.47% of vertebral body length, 46.76% ± 21.7% of vertebral body height, and 74.44% ± 47.37% of vertebral canal diameter. Targeted dimensions were achieved at all surgical sites from T11-12 through L3-4.
CONCLUSION: Integrated endoscopic thoracolumbar lateral corpectomy was successfully performed at all intervertebral disc spaces from T11-12 through L3-4 using an endoscopic system, although thoracic sites required more practice.
CLINICAL SIGNIFICANCE: This pilot study will guide further clinical applications of minimally invasive neurosurgery in small animal patients.
STUDY DESIGN: Experimental, randomized cadaveric study.
ANIMALS: Eight cadaver dogs euthanized for reasons unrelated to this study.
METHODS: Preoperative computed tomography (CT) scans were performed for surgical planning. Using an endoscopic system, mini-hemilaminectomy and thoracolumbar lateral corpectomy were performed from the T11-12 through L3-4 intervertebral disc spaces, with cadavers in sternal recumbency or positioned at a 30°-60° angle. Postoperative CT scans were used to measure corpectomy dimensions as a percentage of total vertebral dimensions.
RESULTS: Median ± interquartile range (IQR) corpectomy dimensions were 23.07% ± 16.47% of vertebral body length, 46.76% ± 21.7% of vertebral body height, and 74.44% ± 47.37% of vertebral canal diameter. Targeted dimensions were achieved at all surgical sites from T11-12 through L3-4.
CONCLUSION: Integrated endoscopic thoracolumbar lateral corpectomy was successfully performed at all intervertebral disc spaces from T11-12 through L3-4 using an endoscopic system, although thoracic sites required more practice.
CLINICAL SIGNIFICANCE: This pilot study will guide further clinical applications of minimally invasive neurosurgery in small animal patients.