07:29am Friday 13 December 2019

Practice Patterns in the Diagnosis of Pulmonary Embolism Vary, Study Suggests

PE, the formation of a blood clot in the lung, is the third-leading cardiovascular cause of death. As such, it requires prompt diagnosis and treatment. The most common imaging tests used in the diagnosis of PE include computed tomography (CT) angiography and ventilation-perfusion scintigraphy (VQ scanning). Other imaging tests frequently performed on patients with symptoms of PE — often to rule out other diagnoses — include echocardiography, cardiac perfusion imaging, and duplex ultrasound.

Researchers from the American College of Radiology in Reston, VA, Philadelphia, PA, and the University of Pennsylvania analyzed data on Medicare patients with emergency department visits or inpatient stays with a diagnosis of PE or for symptoms related to PE. “For patients for whom PE might have been suspected, many large variations were found in practice patterns among physician specialties and geographic locations,” said Rebecca Lewis, an author of the study. “There were fewer variations among patients with the inpatient diagnosis of PE,” said Lewis.

“There are substantial differences in patterns of use of tests across geographic areas, probably reflecting differences in physician practice patterns,” she said.

“Although physician practice in the diagnosis of PE is broadly consistent with recommendations, variations by physician specialty and geographic location may be evidence of inappropriate imaging,” said Lewis.

This study appears in the April issue of the American Journal of Roentgenology. For a copy of the full study or to request an interview with Rebecca Lewis, please contact Heather Curry via email at hcurry@acr-arrs.org or at 703-390-9822.

About ARRS

The American Roentgen Ray Society (ARRS) was founded in 1900 and is the oldest radiology society in the United States. Its monthly journal, the American Journal of Roentgenology, began publication in 1906. Radiologists from all over the world attend the ARRS annual meeting to participate in instructional courses, scientific paper presentations and scientific and commercial exhibits related to the field of radiology. The Society is named after the first Nobel Laureate in Physics, Wilhelm Röentgen, who discovered the x-ray in 1895.



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