Distinguishing the papilla of Vater during biliary cannulation using texture and color enhancement imaging: A pilot study

• DOI: 10.1002/deo2.125
• Publication Date: 2022-05-15T07:24:01Z
• Authors: Kazuya Miyaguchi; Masafumi Mizuide; Yuki Tanisaka; Akashi Fujita; Ryuhei Jinushi; Katsuda Hiromune; Tomoya Ogawa; Yoichi Saito; Tomoaki Tashima; Yumi Mashimo; Hiroyuki Imaeda; Shomei Ryozawa
• Keywords: Major duodenal papilla; McNemar's test; Kappa; Cohen's kappa; Concordance; Ampulla of Vater; Cadaveric spasm

Abstract Objectives Understanding the exact morphology of bile duct opening is important for determining success cannulation. Texture and color enhancement imaging (TXI) has been reported to enhance slight changes in tone structure that are difficult see with white light imaging. This study investigated whether TXI mode1 could improve papillary recognition by trainees inexperienced endoscopic retrograde cholangiopancreatography. Methods We included 31 patients naive papilla Vater at a single institution study. Trainee endoscopists (n = 4) evaluated identified according Inomata classification using TXI. The degree agreement evaluation supervising physicians ( n was examined McNemar test. Results In trainee group, kappa coefficient agreements were κ 0.346 0.754 TXI, respectively. When further evaluated, separate septal types groups showed an increased concordance rate one four (76.67%–96.67%, p 0.031, respectively). Moreover, comparison two‐group two (0.34–0.92, 0.010, 0.45–0.92, 0.024). Conclusions Observation duodenal improved differentiation suggested potential as clinical tool. Further this method necessary; it expected help reduce cannulation time incidence pancreatitis.