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• W2143814839 abstract "Cervical spine injuries are relatively rare in the pediatric population; however, the consequences of missing a cervical spine injury are devastating. The routine use of radiography and multidetector CT has not been shown to be cost-effective or demonstrate improved outcomes in these patients. A carefully designed clinical protocol that includes defined parameters for reliably differentiating between patients who need imaging and those who do not is essential in the evaluation of children with cervical spinal trauma. The two largest studies evaluating cost and radiation exposure are the National Emergency X-Radiography Utilization Study (NEXUS) and the Canadian cervical spine rule (CCR). In the NEXUS study criteria for imaging included midline tenderness, altered level of alertness, intoxication, focal neurological deficit and distracting painful injury. The NEXUS criteria have been studied and have been proved reliable to separate patients into lowand high-risk groups. Additional criteria have been added by some investigators and include high-risk mechanism of injury, transient neurological symptoms, physical signs of trauma, head or face trauma and an inconsolable child. The low-risk child does not require an imaging work-up and, unlike adults, imaging of the high-risk child should begin with radiographs because of the risk of radiation exposure. The initial evaluation of the pediatric cervical spine is with cervical radiographs. The level of injury is commonly higher (C1-3) in children younger than 8 years because of anatomical differences, which makes the injury more easily detected using radiography. A good lateral screening study is usually sufficient in evaluation of pediatric spine trauma and additional views only increase the radiation dose without increasing sensitivity. Multiple useful lines can be obtained on the lateral cervical radiograph including the anterior cervical line, posterior cervical line, spinolaminar line, Wackenheim clivus line and the C2 line. The C2 line is drawn along the posterior C2 body and should intersect the upper corner of C3 and is useful for evaluating subluxation/dislocation. The clivus line is drawn along the clivus and should pass though the posterior one-third of the odontoid. The spinolaminar line is most useful in evaluating for pseudosubluxation at C2-3 level. A multitude of measurements are also available, which include the basiondens interval (less than 12 mm), Power ratio (less than or equal to 1), and the atlanto-dental distance (less than 5 mm). Flexion and extension radiographs have little use in the acute evaluation of pediatric cervical trauma due to patient cooperation, pain and technical limitations. Multidetector CT (MCDT) is useful in evaluating cervical injury in children, but at a significant radiation cost. This modality should be used if cervical radiographs are unclear or suggest injury or if there is a strong clinical concern. Sagittal and coronal reconstructions are necessary for a complete examination. To reduce radiation dose, limited evaluation of the area of concern might be appropriate and if no fractures are identified imaging of the entire cervical spine might not be warranted. It is important to realize that the measurements used on radiographs are not transferable to the MDCT images. In children, the atlanto-dental distance should be less than Disclaimer Dr. Booth has no financial interests, investigational or offlabel uses to disclose." @default.
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• W2143814839 date "2011-04-27" @default.
• W2143814839 modified "2023-10-09" @default.
• W2143814839 title "Trauma: cervical spine" @default.
• W2143814839 doi "https://doi.org/10.1007/s00247-011-1999-1" @default.
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