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Ct head rules canada. Stiell is the principal investigator for 1 of 3 canadian sites in the resuscitation outcomes consortium roc which is funded by cihr nih. Papa l et al. Amnesia after the event.
He is best known for the development of the ottawa ankle rule the canadian c spine rule and canadian ct head rule and as the principal investigator for the landmark opals studies for prehospital care. The canadian ct head rule was 100 sensitive for ruling out clinically important brain injury. The canadian rules were designed to identify a set of.
Objective with the ageing population the prevalence of mild traumatic brain injury mtbi among older patients is increasing and the age criteria of the canadian ct head rule cchr is challenged by many emergency physicians. It had higher specificity than the new orleans criteria which meant fewer people would need a ct scan by using the canadian rule. Papa et al 2012 compared both rules in patients with gcs 15 at a single us.
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. We carried out this prospective cohort study in the emergency departments of ten large canadian hospitals and included consecutive adults who presented with. N engl j med.
Methods we conducted a retrospective cohort study at a level 1 trauma centre ed of all. The canadian ct head rule cchr was developed to help clinicians determine when to order a ct image for patients with minor head injury. 1 in 2010 a multi centre prospective trial implemented the cchr and found that the rate of ct imaging increased despite the use of the clinical decision rule.
Many experts rely on clinical gestalt to identify patients at high risk who should undergo head ct imaging for trauma. Before this the royal college of surgeons galasko report guidelines had been followed. We aimed to develop a highly sensitive clinical decision rule for use of ct in patients with minor head injuries.
The canadian ct head rule is a rapid method of determining which patients need ct imaging upon presentation to the emergency department with head trauma. We modified the age criteria of the cchr to evaluate its predictive capacity. Use your head this was a prospective study of 3121 patients with head injury.
There is much controversy about the use of computed tomography ct for patients with minor head injury. Level 1 trauma center for outcomes of any traumatic intracranial injury clinically important brain injury and need for neurosurgical intervention. Patient has suffered minor head trauma with resultant.
Indications for computed tomography in patients with minor head injury. Two validation studies comparing canadian ct head rules to the new orleans criteria.
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