[ RadSafe ] News from the American Heart Association Meeting

Otto G. Raabe ograabe at ucdavis.edu
Mon Nov 15 12:22:08 CST 2010

At 06:10 PM 11/14/2010, ROY HERREN wrote:
>Public release date: 14-Nov-2010 Contact: American Heart Association 
>Communications 214-706-1396 American Heart Association
>  Researchers measured the effects of age and gender on low-dose 
> ionizing radiation-associated risk of cancer in heart attack 
> patients who had been exposed to the radiation from cardiac imaging 
> procedures. Studying a database of 56,606 male and 26,255 female 
> heart attack patients between 1996 and 2006 in Quebec, they 
> found:  For women, the median age was 71.7 years, low-dose ionizing 
> radiation exposure was 3.7 millisieverts (mSv) per year, and 3,545 
> new cancers were observed over 4.2 years.  For men, the median was 
> 59.7 years, low-dose ionizing radiation exposure was 4.1 mSv/year, 
> and 8,475 new cancers were observed over 4.8 years. The interaction 
> between gender and low-dose ionizing radiation was significant, but 
> it wasn't between age and low-dose ionizing radiation. For every 10 
> mSv increase in low-dose ionizing radiation, the risk of cancer 
> increased by 4.4 percent in womem and 2.1 percent in men. Jonathan 
> Afilalo, M.D., M.Sc.; Division of Cardiology, SMBD-Jewish General 
> Hospital/McGill University, Montreal, Quebec, Canada; (687) 
> 935-4619; jonathan at afilalo.com.
In women 3.7 mSv per year caused 3,545 cancers in 4.2 years among 
26,255 female patients. That is an incidence of 13,5% in just 4.2 
years from a trivial annual dose.



Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
University of California
One Shields Avenue
Davis, CA 95616
E-Mail: ograabe at ucdavis.edu
Phone: (530) 752-7754   FAX: (530) 758-6140

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