Hospitals Performed Needless Double CT Scans, Records Show
Long after questions were first raised about the overuse of powerful CT scans,
hundreds of hospitals across the country needlessly exposed patients to
radiation by scanning their chests twice on the same day, according to federal
records and interviews with researchers.
Performing two scans in succession is rarely necessary, radiologists say, yet
some hospitals were doing that more than 80 percent of the time for their
Medicare chest patients, according to Medicare outpatient claims from 2008, the
most recent year available. The rate is typically less than 1 percent, or in
some cases zero, at major university teaching hospitals.
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