Increased Risk of Vascular Events in Emergency Room Patients Discharged Home with Diagnosis of Dizziness or Vertigo: A 3-Year Follow-Up Study

Ching-Chih Lee, Hsu-Chueh Ho, Yu-Chieh Su, Brian C-H Chiu, Yung-Cheng Su, Yi-Da Lee, Pesus Chou, Sou-Hsin Chien and Yung-Sung Huang

PLOS ONE, 2012, vol. 7, issue 4, 1-9

Abstract: Background: Dizziness and vertigo symptoms are commonly seen in emergency room (ER). However, these patients are often discharged without a definite diagnosis. Conflicting data regarding the vascular event risk among the dizziness or vertigo patients have been reported. This study aims to determine the risk of developing stroke or cardiovascular events in ER patients discharged home with a diagnosis of dizziness or vertigo. Methodology: A total of 25,757 subjects with at least one ER visit in 2004 were identified. Of those, 1,118 patients were discharged home with a diagnosis of vertigo or dizziness. A Cox proportional hazard model was performed to compare the three-year vascular event-free survival rates between the dizziness/vertigo patients and those without dizziness/vertigo after adjusting for confounding and risk factors. Results: We identified 52 (4.7%) vascular events in patients with dizziness/vertigo and 454 (1.8%) vascular events in patients without dizziness/vertigo. ER patients discharged home with a diagnosis of vertigo or dizziness had 2-fold (95% confidence interval [CI], 1.35–2.96; p

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0035923

DOI: 10.1371/journal.pone.0035923

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