Spine
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Multicenter Study
Residual Paresthesia after Surgery for Degenerative Cervical Myelopathy: Incidence and Impact on Clinical Outcomes and Satisfaction.
Multicenter, prospective cohort study. ⋯ 3.
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This is a retrospective study of a consecutive case series of dropped head syndrome (DHS). ⋯ In DHS, contrast-enhanced MRI showed intramuscular enhancement of the cervical extensor muscles, which was not present in non-DHS cases. The enhanced muscles included the splenius capitis muscle in all cases. These findings may be useful for developing a strategy for DHS treatment.
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Multicenter Study
Cannabis Use is Associated with Higher Rates of Pseudarthrosis Following TLIF: A Multi-Institutional Matched-Cohort Study.
This was a retrospective cohort study. ⋯ After 1:1 exact matching to control for confounding variables, the findings of this study suggest that cannabis use is associated with higher rates of pseudarthrosis, as well as higher rates of all-cause surgical and all-cause medical complications. Further studies are needed to corroborate our findings.
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Retrospective Cohort Study. ⋯ 3.
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A prospective, anatomical imaging study of healthy volunteer subjects in accurate surgical positions. ⋯ Level II-prospective anatomical cohort study.