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It is well established that polyp and adenoma detection rates during colonoscopy increase when more time is taken to examine the mucosa. Investigators in Singapore evaluated the effect of examination time on the detection of cancer and premalignant lesions of the stomach.
The researchers retrospectively examined data from 837 consecutive symptomatic patients who underwent upper endoscopy (esophagogastroduodenoscopy [EGD]). First, the researchers used data from 224 normal endoscopies without biopsies to divide the 16 endoscopists into equally sized fast and slow groups (mean times, 5.5 minutes and 8.6 minutes, respectively); the break point was a mean total procedure time of 7 minutes. Then, reviewing the data from the remainder of the patien…