New Orleans/Charity Head Trauma/Injury Rule
Defines criteria for which patients are unlikely to require CT brain imaging after trauma, by New Orleans study guidelines.
http://www.mdcalc.com/new-orleans-charity-head-trauma-injury-rule/
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Comparison of the Canadian CT Head Rule and the New Orleans Criteria in Patients With Minor Head Injury
Stiel I. y et al. JAMA 2005; 294 (12):1511-1518
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Stiel I. y et al. JAMA 2005; 294 (12):1511-1518
"Current use of cranial computed tomography (CT) for minor head injury is increasing rapidly, highly variable, and inefficient. The Canadian CT Head Rule (CCHR) and New Orleans Criteria (NOC) are previously developed clinical decision rules to guide CT use for patients with minor head injury and with Glasgow Coma Scale (GCS) scores of 13 to 15 for the CCHR and a score of 15 for the NOC. However, uncertainty about the clinical performance of these rules exists."
http://jama.jamanetwork.com/article.aspx?articleid=201596