• Emergency (Tehran, Iran) · Jan 2016

    True Vertigo Patients in Emergency Department; an Epidemiologic Study.

    • Ali Shahrami, Mehdi Norouzi, Hamid Kariman, Hamid Reza Hatamabadi, and Ali Arhami Dolatabadi.
    • Emergency Department, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
    • Emerg (Tehran). 2016 Jan 1; 4 (1): 25-8.

    IntroductionVertigo prevalence is estimated to be 1.8% among young adults and more than 30% in the elderly. 13-38% of the referrals of patients over 65 years old in America are due to vertigo. Vertigo does not increase the risk of mortality but it can affect the patient's quality of life. Therefore, this study was designed to evaluate the epidemiologic characteristics of vertigo patients referred to the emergency department (ED).MethodsIn this 6-month retrospective cross-sectional study, the profiles of all vertigo patients referred to the ED of Imam Hossein Hospital, Tehran, Iran, from October 2013 to March 2014 were evaluated. Demographic data and baseline characteristics of the patients were recorded and then patients were divided into central and peripheral vertigo. The correlation of history and clinical examination with vertigo type was evaluated and screening performance characteristics of history and clinical examination in differentiating central and peripheral vertigo were determined.Results379 patients with the mean age of 50.69 ± 11.94 years (minimum 18 and maximum 86) were enrolled (58.13% female). There was no sex difference in vertigo incidence (p = 0.756). A significant correlation existed between older age and increase in frequency of central cases (p < 0.001). No significant difference was detected between the treatment protocols regarding ED length of stay (p = 0.72). There was a significant overlap between the initial diagnosis and the final decision based on imaging and neurologist's final opinion (p < 0.001). In the end, 361 (95.3%) patients were discharged from ED, while 18 were disposed to the neurology ward. No case of mortality was reported.ConclusionSensitivity and specificity of history and clinical examination in differentiating central and peripheral vertigo were 99 (95% CI: 57-99) and 99 (95% CI: 97-99), respectively.

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