Canadian CT Head Rule
Determine which minor head injury patients need head CT imaging
About
The Canadian CT Head Rule was developed to identify patients at high risk of requiring neurosurgical intervention and clinically important brain injury. It has been validated in patients > 16 years of age, with blunt head trauma. Exclusions to the rule include neurological deficits, bleeding disorders or oral anticoagulants, pregnancy, obvious open skull fractures, seizures or unstable major trauma patients.
A comparison between the New Orleans Criteria and the Canadian CT Head Rule was performed in 2005. It showed both had 100% sensitivities, but the Canadian CT Head Rule was more specific (50.6% vs 12.7%) and thus could result in fewer CT Scans.
References
Stiell et al.
Stiell et al.
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