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New radiation protection technique results in reduced physician exposure

A new radiation protection technique can significantly reduce physician radiation exposure during coronary angiography, according to a researcher at the University of Maryland Medical Center in Baltimore, MD.

Using the new device, physicians monitor patients' angiograms and control exam table movement from behind a lead plastic shield. A newly developed extension bar allows the physician to remain safely behind the shield and still retain table control for panning, according to Martin Magram, MD, developer of the new technique and assistant professor in the department of diagnostic radiology.

Dr. Magram recorded radiation exposure to various parts of the physician's body in a new study using the technique during coronary angiography on 25 patients. He compared the physician's radiation exposure during the same procedure on 25 patients using conventional radiation protection. Using the new equipment, Dr. Magram found 90% reduction in radiation exposure to the physician's head, arms, and legs.

"Current technique requires that physicians wear heavy lead gowns during radiation procedures. This new technique may free physicians from the need to wear lead gowns," said Dr. Magram. "As the sophistication of radiological diagnostics has increased, it is tragic when a physician can no longer perform procedures because the lead gowns cause onset of neck or back degeneration and the physician becomes unable to tolerate the weight of a lead gown."

This new technique may preserve these physicians' ability to benefit patients. "It may extend by years their ability to apply the skills they have developed over long careers of serving patients," said Dr. Magram.

"America's medical community adheres to the ALARA principle (as low as reasonably achievable) in the use of radiation for diagnostic tests in patients," Dr. Magram said. "We must be equally vigilant in protecting the members of the health care team from radiation exposure as
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Contact: Necoya Lightsey
necoya@arrs.org
604-647-7413
American Roentgen Ray Society
3-May-2006


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