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Serum amylase levels higher than 4 - 5 times the normal upper limit together with the existence of pancreatic-type pain, at 24 h after ERCP, strongly suggest the occurrence of pancreatitis. When any of the predictive risk factors coexist during a procedure it would be better either to abandon the procedure and try again later or, if the situation is urgent, to have earlier recourse to an alternative, such as precut or needle-knife papillotomy.
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Christoforidis et al. (2002) studied this question.
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