Background: Dizziness is a common presenting complaint to emergency departments (ED) worldwide, with causes ranging from benign to life-threatening incidents. Computerized tomography (CT) of the brain remains a common diagnostic tool used by emergency physicians; however, it appears to be of low diagnostic value, especially in patients with normal neurological assessment while carrying multiple negative implications on both the patients and the healthcare systems. Our study aims to evaluate the diagnostic value of brain CT scans in assessing patients presenting to the ED with acute dizziness.

Materials And Methods: Retrospective review of medical records of patients presenting with complaints of dizziness to the ED at Salmaniya Medical Complex (SMC) who underwent a brain CT scan from January to June 2023. Collected data included patients' demographic information, presenting complaints, and CT scan results. A multivariable analysis of factors associated with positive CT scans was performed.

Results: A total of 481 participants were enrolled in the study, representing diverse age groups as follows: 18-30 years (12.3%), 31-40 years (15.8%), 41-50 years (17.7%), 51-60 years (22.0%), and those aged over 60 years (32.2%). Among the participants, 56.3% identified as male and 43.7% as female. In terms of head trauma history, 7.1% of participants reported such incidents, while the majority (92.9%) had no history of head trauma. Exploring comorbidities, 43.5% of participants had at least one associated medical condition. Among the 481 study participants, brain CT scans revealed that the majority (93.1%) exhibited unremarkable results. The remaining cases exhibited acute events, including 5.4% with infarcts, 1.1% with hemorrhages, and 0.4% with space-occupying lesions.

Conclusion: This study provides evidence of the limited value of brain CT scans in dizzy patients with unremarkable clinical examinations. As for clinicians, it can serve as a steppingstone toward the formulation of a policy and a set of guidelines for requesting brain CT scans in patients presenting to the ED with dizziness. Future studies are suggested to provide more insights into the cost-effectiveness and utility of head CT scans in providing valuable findings.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10873897PMC
http://dx.doi.org/10.7759/cureus.52483DOI Listing

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