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RI Hospital researchers find common test may be unnecessary for bariatric surgery candidates
Date:7/19/2011

PROVIDENCE, R.I. A new study by researchers from Rhode Island Hospital has found that stress testing with myocardial perfusion imaging as part of a pre-operative workup for bariatric surgery candidates may be unnecessary. The research is published in the Journal of Nuclear Cardiology, and is now available online in advance of print.

Obesity is considered to be an epidemic in the United States, with more than two-thirds of the adult population overweight, and half of those adults are obese. Severe obesity is considered a chronic disease due to its potential to cause serious and potentially life-threatening health consequences. While the best approach to treatment of obesity is yet to be determined, bariatric surgery has been found to be safe and effective in reducing some of the complications associated with obesity.

For bariatric surgery candidates, many are screened for cardiovascular disease prior to surgery because of the high prevalence of coronary artery disease (CAD) risk factors in this population, along with the presence of underlying functional limitations, which may make assessment of CAD symptoms difficult. A common tool used for this is stress testing with myocardial perfusion imaging (MPI). The incidence, however, of clinically significant abnormalities identified through stress MPI performed for this indication has not yet been established.

In order to determine whether this test is needed and should be considered a necessary part of the bariatric surgery workup, a James Arrighi, M.D., a cardiologist with Rhode Island Hospital, led a study of 383 consecutive stress MPI studies performed on patients undergoing workup prior to planned bariatric surgery. The mean age of the population was 42, 83 percent female and a body mass index of 49 (+/- 8).

Arrighi and his team reported several important findings in this study. First, 67 percent of patients underwent stress-only imaging, despite the fact that ove
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Contact: Nancy Cawley Jean
njean@lifespan.org
Lifespan
Source:Eurekalert  

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RI Hospital researchers find common test may be unnecessary for bariatric surgery candidates
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