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Mayo Clinic study shows people with heart devices can 'digest' advanced diagnostic technology safely
Date:10/26/2009

SCOTTSDALE, Ariz. A new Mayo Clinic study suggests that video capsule endoscopy (CE), a procedure that uses wireless technology in diagnosing intestinal disease, is safe for patients with heart devices. Wireless electrical gadgets, such as cell phones, have been shown to interfere with implanted heart devices, including pacemakers and defibrillators. This risk has led medical experts to speculate that capsule endoscopy could similarly cause heart devices to fail.

As a result, the noninvasive procedure has been contraindicated by the U.S. Food and Drug Administration (FDA) for patients with cardiac devices. Contraindication means an increased risk may be involved.

Generally, the topic has remained in the subject of speculation, although several small studies have found no interference with cardiac devices, and no clinical reports have surfaced linking CE to problems with them.

The study concludes that performing a video capsule endoscopy on patients who have cardiac devices appears safe, and, conversely, the cardiac implants don't impair capsule endoscopies.

"Ours is the largest study of its kind, with 84 patients (91 capsule studies), and we found no complications from the capsule endoscopy," says Jonathan Leighton, M.D., chair of the Division of Gastroenterology at Mayo Clinic in Arizona and senior author of a report on the research.

"The size of the study population should give physicians confidence to use the procedure," says Dr. Leighton. Mayo physicians perform capsule endoscopy routinely, averaging from two to five cases a week at the Arizona site.

In the study, Lucinda Harris, M.D., Stephanie Hansel, M.D., reviewed the medica
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Contact: Lynn Closway
closway.lynn@mayo.edu
480-301-4337
Mayo Clinic
Source:Eurekalert

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