Successful Chest Radiograph Reduction by Using Quality Improvement Methodology for Children With Asthma

Abstract

To measure the effect of implementing quality improvement (QI) methodology on the rate of chest radiograph (CXR) ordering for pediatric patients with acute asthma exacerbations.A total of 6680 pediatric patients age ≥2 years seen in the emergency department (ED) of a tertiary care children’s hospital for acute asthma were included in the study.Children ≥2 years old were retrospectively identified by chart review from May 2013 to April 2017. Included subjects had a primary International Classification of Diseases, Ninth Revision or 10th Revision billing code for asthma. An asthma clinical practice guideline (CPG) for CXR ordering in the ED was implemented in May 2014. Thus, the data from May 2013 to April 2014 were included as a 1-year baseline before intervention. Additional QI methods included removal of CXR as a default component of the electronic medical record asthma order set (July 2015), public reminder placement (January 2016), and targeted resident education (February 2016). The primary measure was CXRs ordered as a percentage of total acute asthma encounters, with a preintervention goal of <20%.A total of 1539 CXRs were ordered during 6680 patient encounters. Hospital-wide implementation of an asthma CPG was associated with a decrease in CXR use in acute asthma visits, from 29.3% to 23.0%. Implementation of targeted QI measures was associated with a further reduction in CXR use to 16.0%, which was sustained for 14 months (from February 2016 to April 2017). CXR use decreased from 21.3% to 12.5% in the subset of patients discharged from the hospital from the ED and from 53.5% to 31.1% among patients ultimately admitted to the hospital.Investigators in this study describe sustained reduction in CXR ordering in pediatric patients with acute asthma exacerbations after implementation of a CPG, later followed by QI interventions targeted at the electronic medical record system and at provider education.Old habits die hard. Previous studies have established that routine use of CXR in the evaluation of children with acute asthma exacerbations, the most frequent cause of childhood hospitalization in the United States, is of low diagnostic yield and is associated with significant risk, including unnecessary antibiotic administration. Despite evidence demonstrating low utility of CXR in this setting, implementation of “best” practice into clinical routine is challenging and can take years before change occurs. This study demonstrates how QI methodology can help break old habits, improve clinical care through patient-centered outcome measures, and most importantly, assist clinicians working in busy medical settings. It is impossible for any of us to stay current with the rapidly evolving world of medical knowledge. That is why dedicated use of QI methodology and commitment to changing culture can be so valuable.