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Flexion and extension radiographic evaluation for the clearance of potential cervical spine injures in trauma patients.

Abstract

BACKGROUND

Flexion and extension radiographs are often used in the setting of trauma to clear a cervical spine injury. The utility of such tests, however, remains to be determined. We hypothesized that in patients who underwent a negative computed tomography (CT) cervical spine scan, flexion and extension radiographs did not yield useful additional information.

METHODS

We conducted a retrospective chart review of all patients admitted to a Level I trauma center who had a negative CT scan of the cervical spine and a subsequent cervical flexion-extension study for evaluation of potential cervical spine injury. All flexion-extension films were independently reviewed to determine adequacy as defined by C7/T1 visualization and 30° of change in the angle from flexion to extension. The independent reviews were compared to formal radiology readings and the influence of the flexion-extension studies on clinical decision making was also reviewed.

RESULTS

One thousand patients met inclusion criteria for the study. Review of the flexion-extension radiographs revealed that 80% of the films either did not adequately demonstrate the C7/T1 junction or had less than 30° range of motion. There was one missed injury that was also missed on magnetic resonance imaging. Results of the flexion-extension views had minimal effects on clinical decision making.

CONCLUSION

Adequate flexion extension films are difficult to obtain and are minimally helpful for clearance of the cervical spine in awake and alert trauma patients.

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    MeSH

    Adolescent
    Adult
    Aged
    Aged, 80 and over
    Cervical Vertebrae
    Female
    Humans
    Magnetic Resonance Imaging
    Male
    Middle Aged
    Posture
    Retrospective Studies
    Spinal Injuries
    Tomography, X-Ray Computed
    Young Adult

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    23404352