文章基本信息

标题：Defining Emergency Department Asthma Visits for Public Health Surveillance, North Carolina, 2008–2009
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作者：Debbie Travers ; Kristen Hassmiller Lich ; Steven J. Lippmann 等
期刊名称：Preventing Chronic Disease
印刷版ISSN：1545-1151
出版年度：2014
卷号：11
页码：1
DOI：10.5888/pcd11.130329
出版社：Centers for Disease Control and Prevention
摘要：When using emergency department (ED) data sets for public health surveillance, a standard approach is needed to define visits attributable to asthma. Asthma can be the first (primary) or a subsequent (2nd through 11th) diagnosis. Our study objective was to develop a definition of ED visits attributable to asthma for public health surveillance. We evaluated the effect of including visits with an asthma diagnosis in primary-only versus subsequent positions. The study was a cross-sectional analysis of population-level ED surveillance data. Of the 114 North Carolina EDs eligible to participate in a statewide surveillance system in 2008-2009, we used data from the 111 (97%) that participated during those years. Included were all ED visits with an ICD-9-CM diagnosis code for asthma in any diagnosis position (1 through 11). We formed 11 strata based on the diagnosis position of asthma and described common chief complaint and primary diagnosis categories for each. Prevalence ratios compared each category's proportion of visits that received either asthma- or cardiac-related procedure codes. Respiratory diagnoses were most common in records of ED visits in which asthma was the first or second diagnosis, while primary diagnoses of injury and heart disease were more common when asthma appeared in positions 3-11. Asthma-related chief complaints and procedures were most common when asthma was the first or second diagnosis, whereas cardiac procedures were more common in records with asthma in positions 3-11. ED visits should be defined as asthma-related when asthma is in the first or second diagnosis position.