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Abstract Background and Aim The use of a hood at the tip of a colonoscope enables aspiration, inversion of the diverticulum, and observation of the inside of the diverticulum. In most previous studies, a short hood was used; however, observation of the diverticulum is often inadequate. Long food is promising by previous research, but it was a retrospective study using propensity matching and has some limitations. We compared the identification rate of stigmata of recent hemorrhage (SRH) between the long and standard hoods in cases of suspected colonic diverticular hemorrhage (CDH) to confirm the usefulness of long hood by prospective randomized controlled trial. Methods Eighty patients (42 in the long hood group [L group] and 38 in the short hood group [S group]) who visited the Saitama Medical University Hospital and Tokai University Hachioji Hospital between December 2018 and July 2021 with a chief complaint of bloody stool and suspected CDH, based on the clinical course and imaging studies, were included. Patients were randomly assigned to the L or S group. Results Regarding patient background, age was significantly higher in the L group; however, no significant differences were found in medical history or history of antithrombotic medication or nonsteroidal anti‐inflammatory drug use. Identification rate of SRH was significantly higher in the L group (58.5%, 24/42 patients) than in the S group (26.3%, 10/38 patients) (P

Abstract Introduction Japan Primary Care Association has launched an international session at annual conference since 2012. Longitudinal characteristics of the presentations were investigated. Methods Abstracts of the session were analyzed regarding type of presentation (oral/poster), category (research/clinical case/activity/review), and presenters' geographical location. Results The numbers of oral and poster presentations significantly increased. The most frequent presentation was research with cross‐sectional survey. Majority of presentations were clinical and less educational research, most of which were by Japanese. Conclusion The numbers of presentations in the international session increased, but the session should be used more rigorously to enhance primary care.