New study confirms increased use of CT for suspected urolithiasis


RESTON, Va., June 19, 2019 / PRNewswire / – A new study conducted jointly with the Harvey L. Neiman Institute of Health Policy examines the changing characteristics of use and potential disparities in patients from the US Department of Emergency undergoing computed tomography (CTAP) of the abdomen and pelvis ) for suspected urolithiasis. The study is published online at Journal of the American College of Radiology (JACR).

Dr. Balthazar and the team used the Nationwide Emergency Department Sample, which is the largest database of all available ED contributors the United States to study patients from 2006 to 2015 with a primary diagnosis of suspected urolithiasis. Annual numbers of emergency visits for suspected urolithiasis and associated CTAP visits per visit were determined along with patient demographics, payer status, and hospital characteristics as possible independent predictors of use.

"Overall, TC use rates in ED continue to increase over time, despite government and medical specialty organizations' efforts to restrict the growth of advanced imaging services," said the first author. Patricia Balthazar, MD, resident of diagnostic radiology, Emory University. "Although the US population grew 6.9% from 2006 to 2014, annual emergency visits for suspected urolithiasis increased by 17.9%, and the number of visits for suspected urolithiasis involving advanced imaging increased by 100.8 %. "

"The relative use of CTAP in ED patients with suspected urolithiasis doubled between 2006 and 2014 and showed a marked geographic variation," he observed Richard Duszak, MD, senior author and senior researcher at Neiman Institute Affiliate Research. "Among patients with suspected urolithiasis atrial fibrillation, CTAP was more frequent in patients with higher family income EPCs, with private insurance in the Northeast, and in urban and non-hospital hospitals."

These findings provide insight into the practice of clinicians, researchers, and policymakers interested in optimizing the use of advanced medical imaging in the emergency department.

To obtain a copy of the study or to arrange an interview with a Neiman Institute spokesperson, contact Nichole Gay (703) 648-1665 or [email protected]

About the Harvey L. Neiman Institute for Health Policies
The Harvey L. Neiman Institute of Health Policy is one of the leading socioeconomic research organizations for medical imaging in the country. The Neiman Institute studies the role and value of radiology and radiologists in the evolution of healthcare payment and delivery systems and the impact of medical imaging on the cost, quality, safety and efficiency of health care. Visit us at and follow us TwitterLinkedIn and Facebook.

SOURCE Harvey L. Neiman Institute for Health Policy

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