( our sinuses and your nose Mark said. ...)New Reflux Disease Technology More Comfortable, Not More Effective,Health

our sinuses and your nose," Mark said.

The newest pH monitoring technology works through a wireless probe that is clipped to the muscular valve at the lower part of the esophagus.

Mark's team gathered research on wireless pH monitoring to evaluate some of its purported advantages, including whether the wireless test leads to better diagnosis because patients — uninhibited by the catheter — follow more natural eating habits and physical behavior. They compared the quality of data yielded from 48-hour sessions with the wireless monitor to 24-hour sessions that are standard with wired monitors.

Gastroenterologist Jed Weissberg is a physician-consultant who commented on the review of evidence. "It takes training and experience to interpret the physiological data," he said. "Traditionally, physicians have had 24 hours worth of data to interpret. With the wireless capsule, there is the possibility of having more extended data collection. That's an intriguing extension to the technique, though its impact on clinical management has not yet been carefully studied."

Of the nine studies included in the TEC review, two measured comfort. The more convincing was a randomized study that compared patients assessed with the wireless device with another group assessed with the wired probe. Patients implanted with the wireless device reported chest discomfort more often, but reported greater satisfaction and less interference with daily life activities.

"So you are trading 80 to 90 percent chance of nose pain and throat discomfort for about a 30 to 40 percent chance of having some discomfort behind your sternum," Mark said.

Mark said the TEC review found no studies that convincingly showed wireless pH monitoring is superior to wired technology. The evidence evaluating the effectiveness of the conventional, wired device is limited and weak, Mark said. So when you have evidence of the standard device that is equivoc
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