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VOLUME 28 , ISSUE 2 ( February, 2024 ) > List of Articles

Original Article

Efficacy of the Canadian CT Head Rule in Patients Presenting to the Emergency Department with Minor Head Injury

Ashok Reddy, Fawaz Poonthottathil, Rani Jonnakuti, Roney Thomas

Keywords : Canadian CT head rule, Efficacy, Emergency medicine, Minor head injuries

Citation Information : Reddy A, Poonthottathil F, Jonnakuti R, Thomas R. Efficacy of the Canadian CT Head Rule in Patients Presenting to the Emergency Department with Minor Head Injury. Indian J Crit Care Med 2024; 28 (2):148-151.

DOI: 10.5005/jp-journals-10071-24620

License: CC BY-NC 4.0

Published Online: 30-01-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Introduction: Approximately, one in three computed tomography (CT) scans performed for head injury may be avoidable. We evaluate the efficacy of the Canadian CT head rule (CCHR) on head CT imaging in minor head injury (MHI) and its association of Glasgow Coma Scale (GCS) and structural abnormality. Materials and methods: We conducted a prospective cross-sectional study from May 2018 to October 2019 in the Department of Emergency Medicine, Pushpagiri Institute of Medical Sciences and Research Centre, Thiruvalla, Kerala. The CCHR is applied to patients with MHIs (GCS 13–15) after initial stabilization and it is ascertained, if they require a non-contrast CT head and imaging is done. For those who do not require CT head as per the CCHR are excluded from this study. After imaging the patients who have a positive finding on CT head are admitted and followed up if they underwent any neurosurgical intervention, those with no findings in CT head are discharged from the hospital. A total of 203 patients were included during study period. Results: A total of 203 patients were included in study with mean age of 49.5 years. Approximately, 70% (142) were male. Sensitivity of CCHR for predicting positive CT finding in the present study sample was 68% and specificity was 42.5%. Conclusion: Canadian CT head rule is a useful tool in the Emergency Department for predicting the requirement of CT in patients with MHI. Canadian CT head rule can reduce the number of CT scans ordered following MHI in ED, thus improving the healthcare costs.

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