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By Lauran Neergaard, AP Medical Writer

WASHINGTON (AP) — Where seniors live makes a difference not only in how much health care they receive but also the medications they’re prescribed — as some miss out on key treatments while others get risky ones, new research shows.

56988624_6962de6563_oMore than 1 in 4 patients on Medicare’s prescription drug plan filled at least one prescription for medications long deemed high-risk for seniors, according to the study released Tuesday by the Dartmouth Atlas Project.

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Seniors who live in Alexandria, La., were more than three times as likely as those in Rochester, Minn., to receive those potentially harmful drugs, which include muscle relaxants and anxiety relievers that can cause excessive sedation, falls and other problems in older adults.

On the flip side, far more seniors who survived a heart attack were filling prescriptions for cholesterol-lowering statin drugs in Ogden, Utah, than in Abilene, Texas — 91 percent compared to just 44 percent, the study found. That’s even though statins are proven to reduce those patients’ risk of another heart attack.

Even more surprising, the study found just 14 percent of seniors who’ve broken a bone because of osteoporosis were receiving proven medications to guard against another fracture — ranging from 7 percent of those patients in Newark, N.J., to 28 percent in Honolulu.

“There’s no good reason” for that variation, said lead researcher Dr. Jeffrey Munson, an assistant professor at the Dartmouth Institute for Health Policy and Clinical Practice.

Researchers with the Dartmouth Atlas have long shown that the type and amount of health care that people receive varies widely around the country, and that those who live where Medicare costs more don’t get better quality care.

The newest report examined 2010 prescription data from the 37 million patients who get drug coverage under Medicare Part D, and found even more of a mixed picture when it comes to seniors’ medications. For example, patients in the South were more likely to fill prescriptions for those riskier medications, but less likely than those in other regions to get the long-recommended treatments for heart and bone conditions.

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The average Part D patient filled 49 month-long prescriptions — either new ones or refills — in 2010.

But the study suggests doctors in some areas prescribe more readily. The highest number of prescriptions filled was in Miami — 63 — and the lowest in Grand Junction, Colo., 39.

Overall, patients in regions where Medicare Part D spent more on medications weren’t more likely to receive the most effective medications, the study found.

Yes, seniors who are sicker will use more medications, but the general health of a region’s Medicare population explains less than a third of the variation, the researchers concluded.

Patients don’t always fill their prescriptions, because of cost or fear of side effects or myriad other reasons — something this study couldn’t measure. It also didn’t examine differences in benefits between cheaper and more expensive Part D plans.

But if doctors were following guidelines on best medication practices, there would be far less variation around the country, Munson said.

Doctors “really need to ask themselves, ‘Is there a good reason why my patients are getting less effective care than patients in the other regions,’” he said.

He urged patients to ask more questions, too: Why is this medicine being prescribed? What are the pros and cons? Is there something else I should consider taking?

The Dartmouth Atlas, funded by the Robert Wood Johnson Foundation, studies health trends using Medicare data; similar figures aren’t readily available for the general population.

Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Photo: Boots McKenzie/Flickr

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