Annals of surgery
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To determine the interobserver variability for complications of pancreatoduodenectomy as defined by the International Study Group for Pancreatic Surgery (ISGPS) and others. ⋯ The interobserver variability for the ISGPS defined complications of pancreatoduodenectomy was too high even though the 'within centers' agreement was acceptable. Since these findings will decrease the quality and validity of clinical studies, ISGPS has started efforts aimed at reducing the interobserver variability.
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Nearly two hospital mergers occur per week and the majority of hospitals are now part of a larger health system. As health systems continue to grow in size and geographic coverage, these changes could have unintended consequences for many different healthcare stakeholders. This surgical perspective outlines emerging challenges associated with the growth of health systems and potential strategies to monitor and mitigate the potential adverse impact of these ongoing changes.