European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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Disc injection to create intervertebral (IVD) disc degeneration (IVDD) has been reported in ovine models, but the techniques have not been thoroughly described. The current ex vivo study aimed to evaluate a computed tomography (CT)-guided injection technique into IVDs in the ovine lumbar spine. ⋯ The current study provides useful clinical information that will help surgeons working with an ovine model for research on IVDD. This model could also be useful to train less experienced surgeons or radiologists to disc injection. This CT-guided injection seems to offer several advantages such as ease of use, good success rate and safety to important nervous and vascular structures.
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Case Reports Webcasts
C4 anterior cervical corpectomy with fusion for cervical spondylotic myelopathy.
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Neurogenic bladder is a common complication of several central nervous system injuries. Statins and phosphodiesterase-5 (PDE-5) inhibitors are reportedly beneficial in neural injuries and urinary system dysfunction. The effect of simvastatin, sildenafil and tadalafil on several renal function indices of an animal model of neurogenic bladder was investigated. ⋯ Statins can effectively improve the motor and renal functions in a condition of renal dysfunction in a rat model of neurogenic bladder. PDE-5 inhibitors could help to improve motor function, but are not helpful in renal function, at least in short time.
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Adjacent segment disease (ASD) is an increasing problematic complication following lumbar fusion surgeries. ASD requires appropriate treatment, although there are only few reports on surgery for ASD. This study aimed to clarify surgical outcomes of posterior lumbar interbody fusion (PLIF) for ASD. ⋯ PLIF is effective for ASD after PLIF in the short term, although it tends to lead to a high incidence of recurrent ASD.