Does Hot Snare Polypectomy Trump Cold Snare?

Hot snare polypectomy outperforms cold snare polypectomy when it comes to removing flat or sessile intermediate-sized polyps, according to a recent study discussed in Gastroenterology & Endoscopy News.

Here are six things to know about the study conducted by researchers at the Yonsei University Wonju College of Medicine in Seoul, South Korea.

•    Researchers randomly assigned 203 patients with at least one flat or sessile polyp of 5mm to 9mm in size to undergo either hot or cold snare polypectomy.
•    Lesions were sessile in 71 percent of cases and flat in 29 percent.
•    Endoscopists used single snaring as the procedure for each polyp.
•    Complete histologic resection was 92 percent in the hot snare group and 79 percent in the cold snare group.
•    Visual eradication in both groups was similar: 88 percent in the hot snare group and 82 percent in the cold snare group.
•    Neither group experienced clinically significant bleeding or perforations.

The researchers suggested that hot snare polypectomy should be considered the first line therapy for 5mm to 9mm flat or sessile colorectal polyps.

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