An 18-month study at HEALTHeLINK, the health information exchange serving western New York, finds more than 2,700 CT scans--10 percent of the total such scans of three parts of the body ordered during the period--were potentially unnecessary duplicate scans.
Further, 90 percent of the unnecessary scans were ordered by physicians who never or rarely used the HIE to query for previous scans for the patient. The study covered scans ordered for the same patient covering the head and neck, chest and abdomen.
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