| Performance of the Canadian CT Head Rule and the New Orleans Criteria for Predicting Any Traumatic Intracranial Injury on Computed Tomography in a United States Level I Trauma Center. | |
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MedLine Citation:
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PMID: 22251188 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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ACADEMIC EMERGENCY MEDICINE 2012; 19:2-10 © 2012 by the Society for Academic Emergency Medicine ABSTRACT: Objectives: This study compared the clinical performance of the Canadian CT Head Rule (CCHR) and the New Orleans Criteria (NOC) for detecting any traumatic intracranial lesion on computed tomography (CT) in patients with a Glasgow Coma Scale (GCS) score of 15. Also assessed were ability to detect patients with "clinically important" brain injury and patients requiring neurosurgical intervention. Additionally, the performance of the CCHR was assessed in a larger cohort of those presenting with GCS of 13 to 15. Methods: This prospective cohort study was conducted in a U.S. Level I trauma center and enrolled a consecutive sample of mildly head-injured adults who presented to the emergency department (ED) with witnessed loss of consciousness, disorientation or amnesia, and GCS 13 to 15. The rules were compared in the group of patients with GCS 15. The primary outcome was prediction of "any traumatic intracranial injury" on CT. Secondary outcomes included "clinically important brain injury" on CT and need for neurosurgical intervention. Results: Among the 431 enrolled patients, 314 patients (73%) had a GCS of 15, and 22 of the 314 (7%) had evidence of a traumatic intracranial lesion on CT. There were 11 of 314 (3.5%) who had "clinically important" brain injury, and 3 of 314 (1.0%) required neurosurgical intervention. The NOC and CCHR both had 100% sensitivity (95% confidence interval [CI] = 82% to 100%), but the CCHR was more specific for detecting any traumatic intracranial lesion on CT, with a specificity of 36.3% (95% CI = 31% to 42%) versus 10.2% (95% CI = 7% to 14%) for NOC. For "clinically important" brain lesions, the CCHR and the NOC had similar sensitivity (both 100%; 95% CI = 68% to 100%), but the specificity was 35% (95% CI = 30% to 41%) for CCHR and 9.9% (95% CI = 7% to 14%) for NOC. When the rules were compared for predicting need for neurosurgical intervention, the sensitivity was equivalent at 100% (95% CI = 31% to 100%) but the CCHR had a higher specificity at 80.7% (95% CI = 76% to 85%) versus 9.6% (95% CI = 7% to 14%) for NOC. Among all 431 patients with a GCS score 13 to 15, the CCHR had sensitivities of 100% (95% CI = 84% to 100%) for 27 patients with clinically important brain injury and 100% (95% CI = 46% to 100%) for five patients requiring neurosurgical intervention. Conclusions: In a U.S. sample of mildly head-injured patients, the CCHR and the NOC had equivalently high sensitivities for detecting any traumatic intracranial lesion on CT, clinically important brain injury, and neurosurgical intervention, but the CCHR was more specific. A larger cohort will be needed to validate these findings. |
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Authors:
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Linda Papa; Ian G Stiell; Catherine M Clement; Artur Pawlowicz; Andrew Wolfram; Carolina Braga; Sameer Draviam; George A Wells |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Academic emergency medicine : official journal of the Society for Academic Emergency Medicine Volume: 19 ISSN: 1553-2712 ISO Abbreviation: Acad Emerg Med Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9418450 Medline TA: Acad Emerg Med Country: United States |
Other Details:
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Languages: eng Pagination: 2-10 Citation Subset: IM |
Copyright Information:
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© 2012 by the Society for Academic Emergency Medicine. |
Affiliation:
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From the Department of Emergency Medicine, Orlando Regional Medical Center (LP, CB, SD), Orlando, FL; the Department of Emergency Medicine, University of Ottawa (IGS), Ottawa Health Research Institute (IGS, CMC), Ottawa, Ontario, Canada; the University of Central Florida College of Medicine (AP), Orlando, FL; the University of Pennsylvania (AW), Philadelphia, PA; and the Department of Epidemiology and Community Medicine, Ottawa Health Research Institute (GAW), Ottawa, Ontario, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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