A morphometric analysis of thoracolumbar vertebrae in goat by computed tomography.

Roels, Joséphine; Hassoun, Roy; Massenzio, Michel; Ronel, S.; Lafon, Yoann; Viguier, É.; Cachon, Thibaut

doi:10.1016/j.vas.2022.100233

Veterinary and Animal Science

2022

DOI: 10.1016/j.vas.2022.100233

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A morphometric analysis of thoracolumbar vertebrae in goat by computed tomography.

Joséphine Roels

Roy Hassoun

Michel Massenzio

et al.

Abstract: Highlights Elaboration of a quantitative database of pedicle screw implantation corridors and morphometric dimensions of the normal thoracolumbar goat spine. The estimating insertion angles for pedicular screw are of approximately 30 ° for the T2-T3 segments, 25 ° for the T4-T5 segments, 23 ° for the T6-T11 segments, 20 ° for the T12-T13 segments, 22 ° for the L1-L3 segments, 24° for the L4 segment and 30° for the L5-L6 segments.

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Cited by 2 publications

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Ultrasound-guided quadratus lumborum block in sheep: A cadaveric study

Mattaliano,

Verdier,

Klonner

et al. 2024

Lab Anim

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This prospective anatomical study aimed to establish an ultrasound-guided technique to the quadratus lumborum (QL) plane in sheep cadavers. Thirteen cadavers, weighing less than 117 kg, were included. In phase 1, one cadaver underwent dissection and two cadavers underwent 3D computed tomographic reconstruction for anatomical evaluation of the thoracolumbar region. In phase 2, two cadavers were used to compare two ultrasound techniques to the QL plane: lateral to the QL muscle with a transversal approach (LQL) and transmuscular between QL and psoas muscles with a longitudinal approach (TQL). For LQL, the reference was the first lumbar transverse process, whereas for TQL, it was the intertransverse region between the first and second lumbar vertebrae. The needle was advanced in-plane towards the specific target for each technique and a total of four injections were performed using 0.4 ml kg−1 of a dye-lidocaine solution. In phase 3, 10 cadavers received bilateral LQL injections ( n = 20). All cadavers were then dissected to evaluate spread of dye. In phase 2, following LQL injections, no dye was observed in undesired locations; however, the dye was noted in the retroperitoneal space (1/2) after TQL injections. In phase 3, the 13th thoracic, first, second, third lumbar nerves, and sympathetic trunk segments were stained in 80%, 95%, 100%, 45% and 35% of the injections, respectively. In conclusion, the LQL technique was feasible, allowing staining of the spinal nerves innervating the cranial abdomen in sheep cadavers. Further studies in live animals are warranted.

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Ultrasound-guided quadratus lumborum block in sheep: A cadaveric study

Mattaliano,

Verdier,

Klonner

et al. 2024

Lab Anim

View full text Add to dashboard Cite

show abstract

Gait analysis in swine, sheep, and goats after neurologic injury: a literature review

et al. 2023

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Medical research on neurologic ailments requires representative animal models to validate treatments before they are translated to human clinical trials. Rodents are the predominant animal model used in neurological research despite limited anatomic and physiologic similarities to humans. As a result, functional testing designed to assess locomotor recovery after neurologic impairment is well established in rodent models. Comparatively, larger, more clinically relevant models have not been as well studied. To achieve similar locomotor testing standardization in larger animals, the models must be accessible to a wide array of researchers. Non-human primates are the most relevant animal model for translational research, however ethical and financial barriers limit their accessibility. This review focuses on swine, sheep, and goats as large animal alternatives for transitional studies between rodents and non-human primates. The objective of this review is to compare motor testing and data collection methods used in swine, sheep, and goats to encourage testing standardization in these larger animal models. The PubMed database was analyzed by searching combinations of swine, sheep, and goats, neurologic injuries, and functional assessments. Findings were categorized by animal model, data collection method, and assessment design. Swine and sheep were used in the majority of the studies, while only two studies were found using goats. The functional assessments included open pen analysis, treadmill walking, and guided free walking. Data collection methods included subjective behavioral rating scales and objective tools such as pressure-sensitive mats and image-based analysis software. Overall, swine and sheep were well-suited for a variety of assessment designs, with treadmill walking and guided free walking offering the most consistency across multiple trials. Data collection methods varied, but image-based gait analysis software provided the most robust analysis. Future studies should be conducted to standardize functional testing methods after neurologic impairment in large animals.

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A morphometric analysis of thoracolumbar vertebrae in goat by computed tomography.

Cited by 2 publications

References 24 publications

Ultrasound-guided quadratus lumborum block in sheep: A cadaveric study

Ultrasound-guided quadratus lumborum block in sheep: A cadaveric study

Gait analysis in swine, sheep, and goats after neurologic injury: a literature review

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