This study compares the utilization of diagnostic imaging between advanced practice clinicians - specifically nurse practitioners and physician assistants - and primary care physicians. Full Article
Hughes, D.R., Jiang, M., Duszak, R. 2015. "A Comparison of Diagnostic Imaging Ordering Patterns Between Advanced Practice Clinicians and Primary Care Physicians Following Office-Based Evaluation and Management Visits," JAMA Internal Medicine, 175(1): 101 - 107.
This study examines recent trends in adherence to continuous screening, especially the rate of subsequent
screening mammography following an initial screening before and after the U.S. Preventive
Services Task Force (USPSTF) revised its guidelines on breast cancer in November 2009. Full Article
Jiang, M., Hughes, D. R., Appleton, C. M., McGinty, G., & Duszak, R.. 2015. "Recent Trends in Adherence to Continuous Screening for Breast Cancer Among Medicare Beneficiaries," Preventive Medicine, 73(2015): 47 - 52.
The purpose of this study is to evaluate national trends in lumbar puncture procedures and the relative roles of specialty groups providing this service. Full Article
Kroll, H., Duszak, R., Nsiah, E., Hughes, D. R., Sumer, S., & Wintermark, M.. 2015. "Trends in Lumbar Puncture Over 2 Decades: A Dramatic Shift to Radiology," American Journal of Roentgenology, 204(1): 15 - 19.
The aim of this study was to assess national specialty trends in the use of diagnostic ultrasound services in the emergency department setting. Full Article
Rosenkrantz AB, Bilal NH, Hughes DR, Duszak R.. 2014. "National Specialty Trends in Billable Diagnostic Ultrasound in the Emergency Department Setting: Analysis of Medicare Claims Data," The American Journal of Emergency Medicine, 32(12): 1470 - 1475.
The aim of this study is to assess the availability and scope of imaging services at critical access hospitals throughout the United States. Full Article
Khaliq, A., Nsiah, E., Bilal, N. H., Hughes, D. R., & Duszak, R.. 2014. "The Scope and Distribution of Imaging Services at Critical Access Hospitals," Journal of the American College of Radiology, 11(9): 857 - 862.
The aim of this study is to evaluate whether patients who are both employed and insured alter their utilization of medical services in response to changes in state unemployment rates. Full Article
Hughes, D. R., & Khaliq, A. A.. 2014. "The Effect of Macroeconomic Conditions on the Care Decisions of the Employed," Medical Care, 52(2): 121 - 127.
The aim of this study was to quantify potential physician work efficiencies and appropriate multiple procedure payment reductions for different same-session diagnostic imaging studies interpreted by different physicians in the same group practice. Full Article
Duszak, R., Silva, E., Kim, A. J., Barr, R. M., Donovan, W. D., Kassing, P., McGinty, G., Allen, B.. 2013. "Professional Efficiencies for Diagnostic Imaging Services Rendered by Different Physicians: Analysis of Recent Medicare Multiple Procedure Payment Reduction Policy," Journal of the American College of Radiology, 10(9): 682 - 688.
The aim of this study was to examine characteristics of uncompensated services rendered by radiologists to emergency department (ED) patients. Full Article
Duszak, R., Nsiah, E., Hughes, D. R., & Maze, J.. 2013. "Emergency Department Imaging: Uncompensated Services Rendered by Radiologists Nationwide," Journal of the American College of Radiology, 11(6): 559 - 565.
The aim of this study was to examine radiologists' experiences during the first four years of Medicare's national physician pay-for-performance program and project near-future program outcomes for radiologists. Full Article
Duszak, R., Burleson, J., Seidenwurm, D., & Silva, E.. 2012. "Medicare’s Physician Quality Reporting System: Early National Radiologist Experience and Near-Future Performance Projections," Journal of the American College of Radiology, 10(2): 114 - 121.
The aim of this study was to examine national trends in both temporary central venous catheter and long-term CVA device procedures over 20 years with regard to changing specialty group roles and places of service. Full Article
Duszak, R., Bilal, N., Picus, D., Hughes, D. R., & Xu, B. J.. 2013. "Central Venous Access: Evolving Roles of Radiology and Other Specialties Nationally Over Two Decades," Journal of the American College of Radiology, 10(8): 603 - 612.