Narrow Band Imaging Does Not Affect Detection Rate or Miss Rate in Colonoscopy

Researchers found no difference in the yield and miss rates for colonoscopies between high definition narrow band imaging and high definition white light endoscopy, according to findings published in The American Journal of Gastroenterology.

NBI uses narrow band filters to enhance images of the surface and capillary patterns in the GI tract. It has shown promise in previous studies for decreasing miss rate and increasing detection rate.

Researchers found the odds ratio for the detection of adenomas of NBI and WLE was 1.01, the number of patients with polyps was 1.15, the number of patients with adenomas was 1, the detection of adenomas less than 10 mm was 1.32, the detection of flat adenomas was 1.26, the miss rate was 1.17 and the adenoma miss rate was 0.65.

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