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Brief Title: The Neutrophil-to-Lymphocyte Ratio to Exclude Pancreatic Fistula
Official Title: The Neutrophil-to-Lymphocyte Ratio at Post-operative Day 3: a Simple Tool to Exclude Clinically Relevant Postoperative Pancreatic Fistula After Pancreatoduodenectomy
Study ID: NCT04724551
Brief Summary: There is still no consensus on whether drain fluid amylase (DFA) level, C-reactive protein (CRP) level, or complex scores predict clinically relevant postoperative pancreatic fistula (CR-POPF). The aim of this study is to determine the accuracy of simple biochemical parameters (leucocytes, neutrophils, lymphocytes, Neutrophil to Lymphocytes Ratio (NLR), at postoperative days 1 and 3) to exclude the diagnosis of CR-POPF.
Detailed Description: From January 1, 2012 to December 31, 2020, consecutive patients underwent PD performed at Institut Paoli-Calmettes for various pathologies. Data were entered prospectively into a clinical database (NCT02871336). The cohort was split into 3 groups: * a training cohort ; * an internal validation cohort (Paoli Calmettes institute); * an external validation cohort (Rennes Pontchaillou Hospital).
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Name: Olivier Turrini, PD
Affiliation: Institut Paoli-Calmettes- (IPC)
Role: PRINCIPAL_INVESTIGATOR