These are the findings of a recent study published in the November 2009 issue of the American Journal of Roentgenology. The data collected showed that the number of radiology practices using EOTSs increased from 15% to 44% between 2003 and 2007. Patterns of use were generally as might be expected; however, nonmetropolitan practices, which might be expected to have high odds of using EOTSs, did not.

In spite of predictions that the market for EOTSs will continue to expand, researchers commented on recent evidence that may suggest otherwise. "Data on the number of examinations performed taken from recent quarterly reports of the largest firm in the industry, Nighthawk Radiology Services [Scottsdale, AZ, USA], suggests slower growth,” said Dr. Rebecca Lewis, from the research department, American College of Radiology (Reston, VA, USA) and lead author of the study. Moreover, a survey of a convenience sample of radiology practice leaders revealed extremely few were using teleradiology firms for daytime reads or subspeciality interpretations, although providing these services is a prominent expansion strategy of the industry. Additionally, a considerable number of practices that had been using teleradiology services EOTSs were no longer doing so.

The investigators concluded that the use of EOTSs was widespread by 2007. However, the use of EOTSs could be on the decline. Additional research is needed to clarify future trends.

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American College of Radiology