Bevel direction of epidural needles reliably predicts direction of catheter placement and contrast spread in human cadavers: results of a pilot study.


STUDY OBJECTIVE To confirm the relationship between bevel orientation, catheter direction, and radiopaque contrast spread in the lumbar region. DESIGN Pilot cadaver study. SETTING Anatomy laboratory of a university hospital. MEASUREMENTS Cadavers were randomized to two groups of 4 cadavers each. In Group 1, needle bevel direction at epidural entry was… (More)
DOI: 10.1016/j.jclinane.2014.04.004


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