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Study shows advanced imaging growth coming to an end
By Kate Madden Yee, AuntMinnie.com staff writer

November 29, 2011 -- CHICAGO - The rapid rise in the early 2000s of utilization of advanced imaging modalities such as CT, MRI, and nuclear medicine has come to an end, according to researchers at Thomas Jefferson University in Philadelphia.

In this RSNA 2011 poster session, Dr. Richard Sharpe presented findings from a study he and colleagues conducted to determine whether the previously seen dramatic growth patterns of these advanced imaging modalities have changed in recent years. He found that from 2007 through 2009, there was significant curtailment of growth in CT and MRI, and, in fact, the rate of nuclear medicine utilization actually decreased.

"Previous studies have consistently shown advanced imaging studies to have experienced enormous growth over the past 10 to 20 years," Sharpe told AuntMinnie.com. "But more recently, excess radiation exposure and high healthcare costs have captured the attention of patients, policymakers, providers, and the press -- and the trend is shifting."

Sharpe and colleagues used data from the U.S. Centers for Medicare and Medicaid Services' (CMS) Part B Physician and Supplier Procedure Summary Master Files from 2000 to 2009. The group aggregated all discretionary codes for CT, MRI, and nuclear medicine (including PET) and tabulated professional component claims (technical component claims were excluded to avoid double counting).

With this data, Sharpe's team calculated rates of use per 1,000 Medicare beneficiaries in all places of service for each modality, each year. The team also calculated compound annual growth rates for the periods 2000 to 2006 and 2007 to 2009 for comparison.

Changes in calculated compound annual growth rate (CAGR)
CAGR, 2000 to 2006 CAGR, 2007 to 2009
Nuclear medicine +8% -1.8%
MRI +11.7% +0.7%
CT +10% +3.4%
CT (less emergency department rate) +8.7% +1.6%

Advanced imaging composite growth for all three modalities between 2000 and 2006 was +9.9%; it dropped to +1.4% between 2007 and 2009.

"There has been dramatic curtailment of advanced imaging utilization since 2007, which suggests there has been a culture shift in how referring physicians perceive and utilize advanced imaging services," Sharpe told AuntMinnie.com.

Why the cultural shift? There are many factors, according to Sharpe, not the least of which is reimbursement cuts.

"Concern about radiation exposure may make healthcare providers and patients less quick to rely on CT and nuclear medicine examinations," he said. "Referring physicians may better understand the indications for advanced imaging, given the publication of American College of Radiology Appropriateness Criteria. And the rise in radiology benefits management organizations may be effectively educating clinicians about appropriate imaging utilization and providing a check to slow use of inappropriate studies."

Imaging has become a target for healthcare reform, but it's only part of a larger picture, Sharpe told AuntMinnie.com.

"Advanced imaging is just one part of a complex and expensive healthcare system, and these imaging services are simply no longer growing at a rapid pace," he said. "Our research documents that these studies are growing at modest rates -- or even decreasing -- and policy actions aimed to further reduce use of these imaging services may decrease the availability of advanced imaging for patients who really need it. It's time to look elsewhere for a way to solve our healthcare crisis."

AHA: CCTA demonstrates low rate of downstream procedures, November 16, 2011

AMIC: No evidence to back prior authorization for Medicare, October 19, 2011

Death by 1,000 cuts? CMS hits imaging again with new MPFS cut, July 7, 2011

Imaging overuse: Cost cutting hides under 'quality' concerns, May 25, 2011

CMS solicits input on imaging data reporting program, February 1, 2011


Copyright © 2011 AuntMinnie.com

Last Updated bc 11/29/2011 5:31:50 AM

9 comments so far ...
11/29/2011 11:33:02 PM
QwvwQ
Why there is no data of 2011 and 2012?
The data of 2008 and 2009 may has relationship with the financial crisis of 2008.
The results may be misleading. 

12/30/2011 2:13:13 PM
techno!
It's not the radiation that you try to confuse patients about with CT scans.
It's the gadolinium metal injected for MRI enhancements you are desperately trying to keep from the public.  As well as the radiopharmaceuticals as TC99 and all it's various names, methods to get into the patient's body, inhaled, ingested, injected venous or locally, or instilled. We are on to you and you will stop poisoning the public, as well as the FDA.gov allowing for NME or labeling when it's really TC99 a nuclear (waste) tracer. You will stop at no ends to get this poison into people except yourselves. Your time will come by those smarter than you. How dare the FDA allow tc99 be added to the "new" lice pesticide Malathion lotion with a NME for use on children and homeless people. How dare you. People are learning to say NO to the very junk that caused their diseases in the first place, whether it's food, GMO or or BPA or whatever you evil controllers think you can do to people and laugh about it. I hope you sink with all your egos and greed. Imaging has come to an end. YOU will never touch me again. My health insurance will never pay you again for any imaging studies of any type and I'd rather suffer and die than take any medications,even for serious infections. You are insane.

12/30/2011 3:51:05 PM
Entgegen
wut

12/30/2011 4:45:49 PM
dergon
Quote from quizzy


It's not the radiation that you try to confuse patients about with CT scans.
It's the gadolinium metal injected for MRI enhancements you are desperately trying to keep from the public.  As well as the radiopharmaceuticals as TC99 and all it's various names, methods to get into the patient's body, inhaled, ingested, injected venous or locally, or instilled. We are on to you and you will stop poisoning the public, as well as the FDA.gov allowing for NME or labeling when it's really TC99 a nuclear (waste) tracer. You will stop at no ends to get this poison into people except yourselves. Your time will come by those smarter than you. How dare the FDA allow tc99 be added to the "new" lice pesticide Malathion lotion with a NME for use on children and homeless people. How dare you. People are learning to say NO to the very junk that caused their diseases in the first place, whether it's food, GMO or or BPA or whatever you evil controllers think you can do to people and laugh about it. I hope you sink with all your egos and greed. Imaging has come to an end. YOU will never touch me again. My health insurance will never pay you again for any imaging studies of any type and I'd rather suffer and die than take any medications,even for serious infections. You are insane.

 
WTF?

Quote from
You are insane.

 
Right back at ya'

12/30/2011 4:58:16 PM
vonbraun
Troll or someone that stopped taking their medication for a paranoid disorder.

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