The study by HonorHealth Research Institute — the world’s first side-by-side comparison of standard protection compared to the Protego® system — also suggests that the radiation reduction may eliminate the need for cardiac catheterization laboratory staff to wear the orthopedically burdensome lead aprons. The new system allows physicians complete freedom of movement, the study said.
An editorial in today’s JSCAI encouraged physicians and physician-led organizations to “demand this level of protection for themselves and their staff.” Adopting the radiation protection system could promote the recruitment of physicians and critically needed medical staff by easing their concerns over both radiation exposure and reducing or removing the discomfort they suffer when required to wear heavy lead-lined garments.
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Risks to healthcare professionals
A study published in the American Journal of Cardiology suggests a link between brain tumors and occupational radiation exposure. A study cited in today’s JSCAI editorial notes that interventional cardiologists have a three-fold higher risk of developing cataracts than the general population. And, those working in catheterization laboratories for 20 years or more are estimated to have received the equivalent of more than 10,000 chest x-rays to the head and neck.
Results of HonorHealth Research Institute’s clinical trial showed that — of the 25 interventional cases completed using the Protego® system — 17 recorded undetectable radiation exposure, and 4 cases measured 0.1 millirem (mR) of total exposure, only about 5% of the 2.0 mR/hour maximum considered safe.
Interventional cardiologists specialize in treating coronary artery disease, heart valve disorders, congenital heart disease, and other heart problems. With equipment modifications for specific applications, these findings may confer workplace benefit to other physicians working in specialties exposed to radiation, including rhythm management specialists (electrophysiologists) and radiologists.
The required lead aprons worn in catheterization laboratories can weigh as much as 15 pounds and place up to 300 pounds psi on intra-vertebral disks. According to the Society of Interventional Radiology, 70 percent of interventional cardiologists experience lower back pain, 40 percent experience neck pain and 42 percent experience both.
“Use of this groundbreaking radiation protection system is a first in Arizona. This system will especially protect the next generation of physicians and researchers,” Dr. Rizik said. “It will help protect the lives of those on the front lines of lifesaving cardiovascular therapies and is literally getting the lead off our backs.”
