https://www.selleckchem.com/products/tmp195.html To develop an international Core Outcome Set (COS), a minimal collection of outcomes that should be measured and reported in all future clinical trials evaluating treatments of acute simple appendicitis in children. A previous systematic review identified 115 outcomes in 60 trials and systematic reviews evaluating treatments for children with appendicitis, suggesting the need for a COS. The development process consisted of four phases (1) an updated systematic review identifying all previously reported outcomes, (2) a two-stage international Delphi study in which parents with their children and surgeons rated these outcomes for inclusion in the COS, (3) focus groups with young people to identify missing outcomes, and (4) international expert meetings to ratify the final COS. The systematic review identified 129 outcomes which were mapped to 43 unique outcome terms for the Delphi survey. The first-round included 137 parents (eight countries) and 245 surgeons (10 countries), the second-round response rahesis and evidence-based decision-making. Our aim was to describe the racial and ethnic differences in presentation, baseline and operative characteristics, and outcomes after aortoiliac aneurysm repair. Previous studies have demonstrated racial and ethnic differences in prevalence of abdominal aortic aneurysms and showed more complex iliac anatomy in Asian patients. We identified all White, Black, Asian, and Hispanic patients undergoing aortoiliac aneurysm repair in the VQI from 2003 to 2019. We compared baseline comorbidities, operative characteristics, and perioperative outcomes by race and ethnicity. In our 60,435 patient cohort, Black patients, followed by Asian patients, were most likely to undergo repair for aortoiliac (W23%, B38%, A31%, H22%, P < 0.001) and isolated iliac aneurysms (W1.0%, B3.1%, A1.5%, H1.6%, P < 0.001), and White and Hispanic patients were most likely to undergo isolated aortic aneurysm repair (