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Radiology. 2012 Jun;263(3):778-85. doi: 10.1148/radiol.12111726. Epub 2012 Apr 24.

Pediatric abdominal pain: use of imaging in the emergency department in the United States from 1999 to 2007.

Author information

  • 1Department of Radiology, Children's Hospital Boston, 300 Longwood Ave, Boston, MA 02115, USA. anastasia.hryhorczuk@childrens.harvard.edu

Abstract

PURPOSE:

To evaluate use of imaging in children with acute abdominal pain who present to U.S. emergency departments (EDs).

MATERIALS AND METHODS:

This study received expedited review by the institutional review board. The National Hospital Ambulatory Medical Care Survey is a government-administered yearly survey of EDs that is used to estimate ED care throughout the United States. This retrospective cohort study interrogated the database for the period from 1999 to 2007. Univariate regression analysis was performed, and a multivariate regression model was developed.

RESULTS:

From 1999 to 2007, 16 900 000 pediatric ED visits were made for acute abdominal pain. Odds of undergoing computed tomography (CT) in this population increased during each year of the study period. No significant changes occurred in use of ultrasonography, number of patients admitted to the hospital, or number of patients with acute appendicitis. A multivariate model for CT use revealed increased odds of CT use in teens, white patients, the Midwest region, urban settings, patients with private insurance, and patients who were admitted or transferred. Odds of undergoing CT were significantly lower among patients who presented to a pediatric-focused emergency department (adjusted odds ratio, 0.72; 95% confidence interval: 0.58, 0.90).

CONCLUSION:

The main findings of this study are that the rate of CT use in the evaluation of abdominal pain in children increased every year between 1999 and 2007 and that the use of CT was greater among children seen in adult-focused EDs. Factors affecting CT use include sex, race, age, insurance status, and geographic region.

PMID:
22535565
[PubMed - indexed for MEDLINE]
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