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Correlation between clinical variables suggestive of intracranial hypertension and alterations in neuroimaging in traumatic brain injury

Abstract:

Objective: To identify the clinical variables related to changes in neuroimaging in patients with traumatic brain injury. Methods: Retrospective observational cohort study where patients admitted for TBI to the ICU area of the HLV were included. Results: We included a total of 297 subjects. The most common neuroimaging lesion was multiple lesions (35.4%). We found that there is a significant correlation between the presence of lesion in neuroimaging and the presence of fixed pupils at admission (p = <0.001), score ≤ 8 on the Glasgow scale (p = <0.001) and need for orotracheal intubation (p = <0.001). Similarly, the same 3 variables were significant when related to the score ≥ III on the Marshall scale. In the logistic regression model, pupil fixation was the only one that was shown to increase the risk of a score ≥ III on the Marshall scale (OR: 3.50, 95% CI 1.53-7.99). Conclusion: The clinical variables: pupil fixation, need for endotracheal intubation and Glasgow ≤ 8 are related to the development and severity of lesion on neuroimaging in patients with TBI.