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New colonoscope provides ground-breaking view of colon
Date:5/18/2013

ed for data collection for screenings up to 12 minutes long, by combining data for the first and second withdrawal," Dr. Kumar said. "Future comparisons could help to confirm the optimal time parameters of a colonoscopy."

A safer polypectomy option for high-risk patients

In another study, researchers at Showa Inan General Hospital in Komagane, Japan, found that a particular method of polypectomy called a "cold snare" technique is safer for patients on anticoagulants.

When a colon or rectal polyp is detected during colonoscopy, a polypectomy is often recommended to remove the growth. But for patients who use anticoagulants, or blood thinners, polypectomies carry higher risk because of bleeding that occurs during excision of the polyp and recovery.

"The results of our study represent an important opportunity for patients whose options have been severely limited up to this point," said Akira Horiuchi, chief of the hospital's Digestive Disease Center.

The study compared the bleeding associated with the conventional polypectomy technique and the cold snare technique. With the first, the polyp is snared with a wire and then cut using electrocautery. The cold snare technique mechanically cuts off the polyp without electrocautery.

With the latter method, bleeding was seen in only about 5 percent of cases compared to 23 percent of cases using the conventional technique. No delayed bleeding was associated with the cold snare technique, whereas 14 percent of the conventional patients required hemostasis afterward. Polyp removal rates were identical for both approaches.

"These differences are exciting and encouraging," Dr. Horiuchi said. "We think the study paves the way for future research to validate a safer option for many patients."

Professor Gralnek will present data from the study "Comparing traditional forward-viewing colonoscopy with 'full spectrum endoscopy': a randomized, multicent
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Contact: Aimee Frank
newsroom@gastro.org
301-941-2620
Digestive Disease Week
Source:Eurekalert

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