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More access to health care may lead to unnecessary mammograms

Date:
May 27, 2014
Source:
University of Texas Medical Branch at Galveston
Summary:
Providing better access to health care may lead to the overuse of mammograms for women who regularly see a primary care physician and who have a limited life expectancy, researchers suggest. The cautionary note is that screening women in this category could subject them 'to greater risks of physical, emotional and economic suffering.'

Researchers have concluded that providing better access to health care may lead to the overuse of mammograms for women who regularly see a primary care physician and who have a limited life expectancy.

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The cautionary note from researchers at the University of Texas Medical Branch at Galveston is that screening women in this category could subject them "to greater risks of physical, emotional and economic suffering."

Dr. Alai Tan, a senior biostatistician in UTMB's Sealy Center on Aging and lead author of the study, said that "there has been little systematic attempt to define guidelines that would help determine when breast cancer screening might not be appropriate or overused.

"The American Cancer Society guidelines on screening, for example, have had no upper age limit," Tan wrote in the study. "This is different from the case with prostate-specific antigen screening, where both the American Cancer Society and the American Urological Association have longstanding guidelines that exclude men with a less than 10-year life expectancy."

The study was published in the June edition of Medical Care, the official journal of the Medical Care Section of the American Public Health Association.

Using data from 2006 through 2009, researchers studied about 5 percent the Medicare claims filed during that period by women whose life expectancy was less than seven years. They further studied where the women lived and whether they had a primary care physician.

In general, the researchers found that the use of mammograms decreases as a woman's life expectancy grows smaller. However, they found that the general downtrend as a woman ages could be offset by better access to health care.

For example, the screening rate for woman with a life expectancy of less than six years who had seen a primary care physician two or fewer times during the three-year period studied was about 20 percent. However, among women who had seen a primary care physician 13 or more times during that period who had a life expectancy of less than four years, the rate was about 34 percent.

The researchers also noted that there is about a four-year difference from when a cancer is diagnosed via screening and when it would be diagnosed clinically for women between 65 to 74. Previous studies have demonstrated that "survival benefits" were not apparent seven to 10 years after a screening.

The study also found that women with a limited life expectancy who lived in an area with greater access to mammography resources, more primary care physicians, mammographic facilities and radiologists, were more likely to be screened.

Mammograms have been heavily promoted for about 25 years and many patients have come to expect that a screening test such as this would be a routine procedure, the researchers wrote. The researchers concluded that life expectancy should be a factor in deciding whether a mammogram is needed.


Story Source:

The above story is based on materials provided by University of Texas Medical Branch at Galveston. Note: Materials may be edited for content and length.


Journal Reference:

  1. Alai Tan, Yong-Fang Kuo, James S. Goodwin. Potential Overuse of Screening Mammography and Its Association With Access to Primary Care. Medical Care, 2014; 52 (6): 490 DOI: 10.1097/MLR.0000000000000115

Cite This Page:

University of Texas Medical Branch at Galveston. "More access to health care may lead to unnecessary mammograms." ScienceDaily. ScienceDaily, 27 May 2014. <www.sciencedaily.com/releases/2014/05/140527133350.htm>.
University of Texas Medical Branch at Galveston. (2014, May 27). More access to health care may lead to unnecessary mammograms. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2014/05/140527133350.htm
University of Texas Medical Branch at Galveston. "More access to health care may lead to unnecessary mammograms." ScienceDaily. www.sciencedaily.com/releases/2014/05/140527133350.htm (accessed October 25, 2014).

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