Want to reduce I.T. operating costs? Prasanth Prasanna, M.D., offered RSNA attendees a simple solution: turn off computers and workstations.

In a 10-minute "mini-lecture" at the annual event, Prasanna detailed a program at the VA Hospital in Baltimore that resulted in an annual light bill reduction of $9,225. The program was simple: shut down computer after hours. That resulted in a 76 percent decrease in the utility bill, the radiologist said.

Some workstations could not be shut down, such as those affected by an overnight PACS upgrade, he noted. But those situations could be identified in advance, said Prasanna, who noted that the I.T.-heavy radiology department significantly reduced its carbon footprint. The hospital took other measures as well, including installing more energy efficient lighting and motion sensors to activate lighting in patient waiting rooms.

The presentation was part of the RSNA informatics program in which radiologists provided short summaries of recent accomplishments or published research.


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