Abstract
BackgroundPatients with pancreas cancer may undergo palliative gastrointestinal or biliary bypass. Recent comparisons of post-operative outcomes following such procedures are lacking. MethodsWe analyzed patients undergoing exploration, gastrojejunostomy, biliary bypass or double bypass for pancreatic cancer using data from the 2005–2019 American College of Surgeons National Surgical Quality Improvement Program. We compared 30-day mortality and complications across procedures and over time periods (2005-10, 2011-14, 2015-19) using multivariable regression models. Factors associated with postoperative mortality were identified. ResultsOf 43,525 patients undergoing surgery with a postoperative diagnosis of pancreatic cancer, 5572 met inclusion criteria. Palliative operations included 1037 gastrojejunostomies, 792 biliary bypasses, 650 double bypasses, and 3093 explorations. The proportion of biliary and double bypass procedures decreased from 2005-10 to 2015-19. Gastrojejunostomy had higher 30-day mortality rate (11.5%) than other operations (p < 0.001). Adjusted 30-day mortality rates remained stable over time (7.8% vs 6.3%, p = 0.095), while rates of serious complications decreased over time (23.2% vs 17.1%, p < 0.001). ConclusionsPalliative bypass for pancreatic cancer has not become safer over time, and 30-day mortality and complications remain high.
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