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  • Title: Epidemiology of epistaxis in US emergency departments, 1992 to 2001.
    Author: Pallin DJ, Chng YM, McKay MP, Emond JA, Pelletier AJ, Camargo CA.
    Journal: Ann Emerg Med; 2005 Jul; 46(1):77-81. PubMed ID: 15988431.
    Abstract:
    STUDY OBJECTIVE: The epidemiology of emergency department (ED) visits for epistaxis is unknown. We use national data to fill this gap and test hypotheses that epistaxis visits are more common with increasing age and in winter. METHODS: We identify ED visit with epistaxis from 10 years of the National Hospital Ambulatory Medical Care Survey. We calculate visit rates by age and other demographic characteristics and assess mode of arrival and disposition. Results are presented with 95% confidence intervals (CIs). RESULTS: From 1992 to 2001, epistaxis occurred at 4,503,000 ED visits, or 0.46% (95% CI 0.41% to 0.51%) of all visits. Per 1,000 population, 1.7 (95% CI 1.5 to 1.9) ED visits for epistaxis occurred annually. The age-related frequency was bimodal, with peaks among those younger than 10 years (4.0 per 1,000 visits) and aged 70 to 79 years (12.0 per 1,000 visits). Most cases (83%; 95% CI 80% to 86%) were atraumatic. Traumatic cases were younger than atraumatic cases (mean age 31 versus 49 years). From December to February, atraumatic epistaxis occurred in 0.50% (95% CI 0.40% to 0.60%) of all visits versus 0.34% (95% CI 0.30% to 0.39%) during nonwinter months. Fifteen percent (95% CI 12% to 18%) of cases arrived by ambulance, and 6% (95% CI 5% to 7%) of patients were hospitalized. CONCLUSION: Epistaxis accounts for about 1 in 200 ED visits in the United States. Although there is an early age peak (age >10 years), the frequency increases from age 20 years onward, with the highest rates in the elderly. Epistaxis visits are more common in the winter. Future efforts to decrease epistaxis visits might focus on education of the elderly and parents of young children about nasal mucosa care and basic approaches to home management.
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