Summary
1. Sphincter spasm stops pancreatic ductal reflux instead of producing it.
2. Pancreatic reflux may be explained as a phenomenon of hydrodynamics produced when the ampullary sphincter is relaxed and the flow is increased in the ampullary channel.
3. Spasm of the sphincter of Oddi will produce pancreatic reflux only in very rare instances of abnormal configuration of the ampulla of Vater, i.e., high confluence of the two ducts.
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Paulino-Netto, A., Paulino, F. Pancreatic ductal reflux. Digest Dis Sci 8, 666–672 (1963). https://doi.org/10.1007/BF02290203
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DOI: https://doi.org/10.1007/BF02290203