Spine
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We examined the sensory innervation of the coccygeal (Co) 5/6 intervertebral disc in rats using a retrograde neurotracing method and immunohistochemistry. ⋯ This study showed evidence for nerve fibers in the discs and predominant innervation by CGRP-IR DRG neurons. The neurons innervating the discs mostly derived from S1 to S3 DRGs, especially S2 and S3. These findings may be useful in developing rat models of disease involving degenerative intervertebral disc compression.
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A biomechanical testing protocol was used to evaluate atlantoaxial fixation techniques in a human cadaveric model. ⋯ The biomechanical study indicated that, contrary to expectation, addition of a cage did not increase the stability compared with C1-C2 pedicle screw alone. However, the C1 + C2 + Cage technique may be a viable alternative for atlantoaxial stabilization when the posterior arch of the atlas is absent or removed for decompression and a Gallie fixation is impossible.
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Descriptive, retrospective cohort analysis. ⋯ Deep SSI following spinal surgery was effectively treated with single stage debridement and intravenous antibiotics. Superficial SSI could be treated effectively with local wound care and oral antibiotic therapy.
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A case report. ⋯ Computed tomographic myelography was essential to diagnose the rare complication after dural tear. Even in cases of minimal dural tears without arachnoid tear, we suggest repair in order to prevent the rare case of fistula formation.