The National Emergency X-ray Utilisation Study (NEXUS) criteria and the Canadian cervical spine rules are validated clinical decision-making tools used to facilitate selective cervical spine (C-spine) radiography. The NEXUS criteria are frequently used, as the Canadian cervical spine rules have been noted to be difficult to learn, remember and implement. We present a series of significant C-spine injury in three elderly patients who would not have warranted C-spine imaging using the NEXUS criteria. Each patient was mobile and fully orientated after the injury. There was no midline tenderness, neurological deficit, distracting injury or alcohol/drug involvement. Plain film imaging was initially performed as each patient had a reduced range of movement. Significant odontoid peg injury was confirmed on subsequent computed tomography/MRI imaging for all patients. Despite previous validation studies of the NEXUS criteria in the elderly population, we would urge caution in using the NEXUS criteria alone in determining radiography of the C-spine in the elderly.
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