Deeper sedation may help find difficult-to-detect polyps during colonoscopy

In patients undergoing colonoscopy to screen for colorectal cancer, deeper sedation using the anesthetic drug propofol may improve detection of “serrated” polyps — a type of precancerous lesion that can be difficult to detect, reports a study in the Online First edition of Anesthesiology, the peer-reviewed journal of the American Society of Anesthesiologists (ASA).