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Patient Age and Facility Imaging Capacity Affects Imaging Utilization

by Savitha C Muppala on  June 2, 2011 at 5:43 PM Research News   - G J E 4
Age and imaging capacity affects imaging utilization on stroke patients at any facility.
 Patient Age and Facility Imaging Capacity Affects Imaging Utilization
Patient Age and Facility Imaging Capacity Affects Imaging Utilization
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Advanced medical imaging is a component of health care expenditure growth. Although there are many potential reasons for imaging growth, including that scans have been directly linked to greater life expectancy, declines in cancer mortality rates, and are generally less expensive than the invasive procedures that they replace, one of the major drivers of utilization may be enhanced imaging capacity available in most major metropolitan areas.

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"To better understand some of the determinants of imaging ordering behavior, we analyzed the effect of differential capacity on the imaging workup of patients with acute non-hemorrhagic stroke," said Max P. Rosen, MD, MPH, lead author of the study. A "natural experiment" between the United States and Canada was performed.

Nine hundred eighteen patients at the U.S. hospital and 1,759 patients at the Canadian hospital were included in the study. We found that patient age and site (U.S. vs. Canada) were significant predictors of MRI use. Scanning utilization varied at hospitals with differential access to scanning technologies — there was less frequent use of MRI scanning at hospitals with limited access to this modality.

"Our study demonstrates that for patients presenting with symptoms of acute stroke, differences in scanning capacity (CT and MRI) may shape aspects of clinical management," said Rosen.



Source: Eurekalert
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