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How to cite this article Duggan S.N., Smyth N.D., O'Sullivan M., Feehan S., Ridgway P.F. & Conlon K.C. (2012) A transatlantic survey of nutrition practice in acute pancreatitis. J Hum Nutr Diet. 25, 388-397 Abstract Background: Many guidelines exist for the nutritional management of acute pancreatitis; however, little is known regarding current practice. We aimed to investigate feeding practices, including the use of parenteral/enteral nutrition. Methods: The study design was a cross-sectional, descriptive survey. Electronic surveys were sent to dietitians in the UK, the Republic of Ireland and Canada. Of 253 dietitians surveyed, 204 saw patients with acute pancreatitis regularly or occasionally and were included in the analyses. Results: Most dietitians (92.8%) considered early feeding to mean <48 h after presentation. Over half (54.2%) favoured early feeding in severe disease, less in obesity (42%) and more with pre-existing malnutrition (81.9%). There was a tendency to feed earlier in university hospitals ( P = 0.015), especially in obesity ( P = 0.011). There was a tendency towards enteral (versus parenteral) nutrition in university hospitals ( P = 0.000). The majority preferred the jejunal route (64.2%), although this was lower in the UK (43.8%) than in Canada (77.8%) or Ireland (54.2%). Under one-quarter of UK dietitians (23.2%) reported the existence of a pancreatic multidisciplinary team in their institutions, although this was lower in Ireland and Canada. Conclusions: Despite guidelines, there are gaps in the nutritional management of acute pancreatitis, including a continued reliance on parenteral feeding. [ABSTRACT FROM AUTHOR]