Study assuages cardiac CT radiation worries

March 8, 2008 Study assuages cardiac CT radiation worries Paula Gould -------------------------------------------------------------------------------- Patients' risk of developing a radiation-induced cancer is actually far lower than reports suggest, ECR delegates concerned about the level of radiation associated with cardiac CT were told in Vienna. The good news came courtesy of Dr. Joseph Schoepf, an associate professor of radiology at the Medical University of South Carolina in Charleston. It follows a study of 104 consecutive patients (64 men, 40 women) scheduled for cardiac CT on a 64-slice scanner. Organ doses were calculated using the ImPACT dosimetry spreadsheet and then corrected for patient weight. The risk of patients developing radiation-induced cancers was then determined using the BEIR VII approach, a method that draws on data from Japanese atomic bomb survivors.

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