Trends in Use of Diagnostic Imaging for Abdominal Pain in U.S. Emergency Departments.

AJR. American Journal of Roentgenology
Ralph C WangJahan Fahimi

Abstract

OBJECTIVE. CT has excellent accuracy for appendicitis but is associated with risks. Research and educational campaigns have been conducted to implement an ultrasound-first strategy for children but not for adults. The purpose of this study was to measure the use of CT and ultrasound in emergency department (ED) visits for abdominal pain and appendicitis to examine the impact of these efforts. MATERIALS AND METHODS. We analyzed data from the National Hospital Ambulatory Medical Care Survey (1997-2016). Use of CT and ultrasound was measured over time in visits for abdominal pain and visits in which appendicitis was diagnosed. Predictors of CT use were identified by means of regression analysis. RESULTS. For children, CT use increased from 1.2% (95% CI, 0.6-2.5%) in 1997, peaked in 2010 at 16.6% (95% CI, 13.8-19.6%), and decreased slightly in 2016. In adults, CT use increased steadily from 3.9% in 1997 (95% CI, 3.1-4.8%) to 37.8% (95% CI, 35.5-41.0%) in 2016. CT use increased for both pediatric and adult ED visits with a diagnosis of appendicitis, from 5.2% (95% CI, 0.7-29.5%) to 71.0% (95% CI, 43.1-88.8%) for children and 7.2% (95% CI, 2.7-17.6%) to 83.3% (95% CI, 64.1-93.3%) for adults. Children with abdominal pain and a diagnos...Continue Reading

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Citations

Jul 3, 2021·Journal of Clinical Medicine·Raminta Luksaite-LuksteTomas Poskus

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