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Computed tomography in the initial evaluation of the cervical spine
K Schleehauf1, S E Ross, I D Civil
1Department of Surgery, UMDNJ/Robert Wood Johnson Medical School, Camden.
Annals of Emergency Medicine
|August 1, 1989
Summary
Limited computed tomography (CT) effectively identifies unstable cervical spine injuries in high-risk trauma patients, especially when initial X-rays are insufficient. However, CT shows limited value for detecting upper cervical spine ligamentous injuries.
Area of Science:
- Emergency Medicine
- Radiology
- Trauma Surgery
Background:
- Unstable cervical spine injuries are a critical concern in blunt trauma patients.
- Initial radiographic evaluation of the cervical spine can be challenging in trauma settings.
Purpose of the Study:
- To assess the diagnostic role of limited, directed computed tomography (CT) in the initial evaluation of high-risk cervical spine trauma.
- To determine the sensitivity of CT for detecting unstable cervical spine injuries.
Main Methods:
- A one-year prospective study involving 104 high-risk blunt trauma patients.
- Evaluation of limited, directed computed tomography (CT) scans of the cervical spine.
- Comparison of CT findings with plain radiographs.
Main Results:
- Overall sensitivity of CT for unstable cervical spine injury was 0.78.
- In patients with inadequate plain radiographs, CT demonstrated a sensitivity of 1.0 for unstable cervical injury.
- False-negative CT studies were exclusively associated with atlantoaxial rotary subluxation.
Conclusions:
- Limited, directed CT is a valuable tool for the initial assessment of at-risk cervical spine trauma patients, particularly when plain radiographs are suboptimal.
- CT has limitations in evaluating upper cervical spine ligamentous injuries, with atlantoaxial rotary subluxation being a potential source of false negatives.