Plenary Session IV: The Best of Diverticulitis Abstracts (Live Streaming) Monday, May 2, 2:30 – 3:00 pm Room: West Hall Co-Moderators: Kellie Mathis, MD, Oronoco, MD W. Conan Mustain, MD, Little Rock, AR 2:30 pm Introduction 2:35 pm ESCP Best Paper MP21 Hartmann’s Procedure versus Sigmoidectomy with Primary Anastomosis for Perforated Diverticulitis with Purulent or Faecal Peritonitis: Three-year Follow-up of the Diva Arm of the Ladies Trial (RCT) Vincent Hoek* 1, Pim Edomskis1, Pim Stark1, Daniel Lambrichts1, Werner Draaisma2, Esther Consten3, Willem Bemelman4, Johan Lange1 and on behalf of the LADIES trial collaborators; 1Surgery, Erasmus MC, Rotterdam, 2Surgery, Jeroen Bosch Hospital, Den Bosch, 3Surgery, Meander MC, Amersfoort, 4Surgery, Amsterdam UMC, Amsterdam, Netherlands 2:41 pm Discussion 2:43 pm MP22 International Differences in the Surgical Management of Diverticulitis: An Audit of the DAMASCUS Multicenter Trial D.S. Keller*1, D. Study Group2; 1Davis, CA, 2Chester, Cheshire West and Chester, United Kingdom 2:49 pm Discussion 2:51 pm MP23 Alterations in the Microbiome of Complicated Compared to Uncomplicated Diverticulitis A.A. Portolese*1, B. McMullen1 2, S. Baker1 2, J.C. See1 2, G.S. Yochum1 2, W.A. Koltun1 2, R. Lamendella1 2, N.A. Jeganathan1; 1Hershey, PA, 2Huntingdon, PA 2:57 pm Discussion 2:59 pm Question and Answer 3:00 pm Adjourn