Postoperative Serum Hyperamylasemia (POH) Adds Sequential Value to the Fistula Risk Score (FRS) in Predicting Pancreatic Fistula after Pancreatoduodenectomy.

POPF risk assessment should follow a dynamic process. The stepwise retrieval of early, postoperative biologic markers improves clinical risk stratification by increasing the granularity of POPF risk estimates and affords a possible therapeutic window before the actual morbidity of POPF occurs.