Clinical Predictors of Abnormal Computed Tomography Findings in Mild Head Injury

Keywords: Craniocerebral Trauma, Glasgow coma scale, Neurologic Examination

Abstract

Introduction: Whether to scan a minor head injury with Glasgow Coma Scale (GCS) 15 who appears well and has a normal physical and neurological exam or not is an issue commonly faced in all emergency departments. In this study, we tried to assess the predictability of clinical parameters in predicting traumatic intracranial lesions in Computed Tomography (CT) scans of patients with minor head injuries with GCS 15.
Methods: A prospective observational study was carried out in between January to December 2016 in Manipal Teaching Hospital, Pokhara, Nepal. Various clinical predictors of 415 cases of minor head injury with GCS 15 were assessed to see if they could predict the abnormal CT scans in these cases. Clinical variables found significant in bivariate analyses were further analyzed using logistic regression to calculate the odds of each variable to detect abnormal CT scans.
Results: There were 119 (28.7%) abnormal CT scans in the study. Vomiting, LOC (Loss of Consciousness), seizure and headache were the significant predictors of abnormal CT scans with an odds of 4.254 (95% CI: 2.373-7.627), 2.396 (95% CI: 1.258-4.562), 5.803 (95% CI: 1.110-30.336) and 1.967 (95% CI: 1.008-3.839) respectively
Conclusion: Vomiting, LOC, seizure and headache are important clinical predictors of abnormal CT scan in cases of minor head injuries with GCS 15.

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Author Biographies

Nikunj Yogi, Manipal Teaching Hospital

Lecturer

Department of Neurosurgery

Balgopal Karmacharya, Manipal Teaching Hospital

Consultant 

Department of Neurosurgery

 

Amrit Gurung, Manipal Teaching Hospital

Medical Officer

Department of Neurosurgery

Published
2018-12-31
How to Cite
Yogi, N., Karmacharya, B., & Gurung, A. (2018). Clinical Predictors of Abnormal Computed Tomography Findings in Mild Head Injury. Nepalese Journal of Radiology, 8(2), 20-25. https://doi.org/10.3126/njr.v8i2.22978
Section
Original Articles